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WO2014110028A2 - Diffuseur de senteurs à cœur en mousse - Google Patents

Diffuseur de senteurs à cœur en mousse Download PDF

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Publication number
WO2014110028A2
WO2014110028A2 PCT/US2014/010484 US2014010484W WO2014110028A2 WO 2014110028 A2 WO2014110028 A2 WO 2014110028A2 US 2014010484 W US2014010484 W US 2014010484W WO 2014110028 A2 WO2014110028 A2 WO 2014110028A2
Authority
WO
WIPO (PCT)
Prior art keywords
core
scent
foam
scented
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2014/010484
Other languages
English (en)
Other versions
WO2014110028A3 (fr
Inventor
William Webster
David Gallant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NOVIA PRODUCTS LLC
Original Assignee
NOVIA PRODUCTS LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NOVIA PRODUCTS LLC filed Critical NOVIA PRODUCTS LLC
Publication of WO2014110028A2 publication Critical patent/WO2014110028A2/fr
Publication of WO2014110028A3 publication Critical patent/WO2014110028A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor

Definitions

  • the present invention relates to devices for delivering scent to the ambient air, more specifically scent diffusers using air flow to distribute the scent.
  • Scent dispensers for example, dispense scented liquids into the ambient air as a mist or as droplets without heating.
  • the effectiveness of such devices is limited by their reliance on ambient air currents to evaporate and diffuse the scented liquid. Further, the mists and droplets also tend to settle onto surrounding objects rather than being distributed throughout a room.
  • scent diffusers release scented materials to the ambient air as a vapor, rather than as a mist or droplets.
  • a common type of scent diffuser includes a reservoir of scented liquid, a heating element in thermal communication with the liquid, and a fan. In operation, the liquid is heated by the heating element to vaporize small amounts of the liquid, which the fan then disperses into the ambient air as a vapor, thereby scenting the air.
  • the size of the fan and the amount of liquid available control the volume of air that can be scented and the period of time over which the diffuser is effective.
  • heating the scented liquid to the vapor state aids greatly in distributing scent throughout a room, since the vapor is more readily distributed by air currents than the mists or droplets are.
  • the heated vapors may condense upon contact with the cooler room air, clogging the vents of the diffuser, or depositing the condensed liquid on nearby objects.
  • heating element also presents a hazard when the diffusers are placed near flammable surfaces, as well as presenting a risk of burns to children or others touching the heated surface. Further, heating elements are an expensive addition to any device, and the heat can degrade the therapeutic value of essential oils in the scented liquid.
  • scent diffusers typically use volatile carrier oils or solvents to promote the vaporization process. Such materials can cause inhalation problems for people and their pets.
  • scent diffusers that do not use heat, but blow air over scented pads.
  • the scented liquids used in these pads generally include solvents with high vapor pressure, which again, dispense solvents into the air.
  • a scent diffuser in an embodiment of the present invention, includes an adsorbent core for adsorbing, then releasing, molecules of a scented liquid, a reservoir for containing the scented liquid, a wick for transporting the scented liquid from the reservoir to the adsorbent core, air vents and a fan for drawing air through the core, and a power supply for operating the fan.
  • the adsorbent core is contained in a hollow body into which the reservoir, air vents, fan, and power supply may be incorporated or to which they may be attached.
  • the scent diffuser diffuses scented vapor into a room without the aid of a heating element.
  • Embodiments of the present invention release molecular vapors of a scented liquid at ambient temperature, and thus do not require a heating element. Since no electrical power is required to vaporize the scented liquid, scent dispensers made according to such embodiments require substantially less power than heated scent diffusers. Such embodiments of the present invention may be powered by dry cell or rechargeable batteries, or by solar cells.
  • the scented fluid is stored by adsorption to a hydrophilic high-surface-area foam.
  • the hydrophilic foam is in physical contact with the adsorbent core such that the scent moves from the foam to the adsorbent core in a liquid or as scent molecules.
  • the hydrophilic foam thus functions as both a reservoir for the scented liquid and as a wick.
  • FIG. 1 is a schematic cross-section of a scent diffuser according to an embodiment of the present invention
  • FIG. 2 is a schematic orthogonal top view of a second scent diffuser according to another embodiment of the present invention.
  • FIG. 3 is a schematic cross-section of the scent diffuser of FIG. 2;
  • FIG. 4 is a schematic orthogonal top view of a third scent diffuser according to yet another embodiment of the present invention.
  • FIG. 5 is a schematic side view of the scent diffuser of FIG. 4, with a cutaway therein.
  • a first type of scent diffuser 10 has a hollow body 12, which contains a core 14 made from a material (hereinafter, "core material") that can absorb or adsorb a volatile scented substance, then release molecules of the scented substance directly into the ambient air.
  • core material a material that can absorb or adsorb a volatile scented substance, then release molecules of the scented substance directly into the ambient air.
  • the core material has the inherent ability to allow air to flow readily therethrough, and thus through the core 14.
  • the core material constitutes only a portion of the core.
  • the core material has the following characteristics: (1 ) a high surface area relative to the volume of the core material; (2) an ability to resist swelling; and (3) a polar or hydrophilic surface that has the ability to adsorb or absorb polar molecules (e.g., molecules with polar functional groups), then release the polar molecules directly into air.
  • the core material is an open-cell foam having the aforementioned characteristics.
  • the foam may be a hydrophilic foam or have a hydrophilic material exposed at the surfaces of the cells.
  • the core 14 comprises an open-cell foam composite made of a substantially hydrophobic foam to provide structure to the composite and a substantially hydrophilic foam exposed at the surfaces of the cells.
  • the core 14 is made of an absorbent fibrous material or closed cell foam having air passages penetrating therethrough.
  • the scent dispenser 10 also includes a liquid reservoir 16, which, in some embodiments, may be removably attached to the hollow body 12.
  • the liquid reservoir 16 is attached to the hollow body 12 by threaded ends 18, 20 of the hollow body 12 and liquid reservoir 16, respectively.
  • the liquid reservoir 16 may be permanently attached to the hollow body 12, or may be a unitary segment thereof, with means (not shown) provided for filling and emptying the liquid reservoir 16.
  • a wick 22 is provided to transport scented liquid 24 which contains a scented substance from the liquid reservoir 16 to the core 14.
  • the wick 22 may be made of materials conventionally used to provide such transport.
  • the liquid reservoir 16, the core 12, and the wick 22 may be provided as a single unit that can be inserted into, or removed from, the hollow body 12.
  • the hollow body 12 has a cover 26 opposite the liquid reservoir 6.
  • the hollow body 12 is provided with lower vent slots 28 in a side wall 29 of the hollow body 12, and upper vent slots 30 in the cover 26.
  • the vent slots 28, 30 are arranged such that an interior space 32 of the hollow body 12 is in fluid communication with the ambient air outside of the scent diffuser 10 through the core 14 positioned within the interior space 32.
  • the lower vent slots 28 are arranged such that they allow air flow through the core 14 when the core 14 is positioned within the hollow body 12 with a vapor chamber 34 occupying the portion of the interior space 32 between the core 14 and the upper vent slots 30.
  • An electrically-powered fan 36 is provided proximate the upper vent slots 30 to move air from the vapor chamber 34 into the ambient air through the upper vent slots 30.
  • the fan 36 is shown mounted adjacent to the cover 26 within the vapor chamber 34. In other embodiments of the present invention, the fan 36 may be mounted on the other side of the cover 26, outside of the hollow body 12. Movement of the air out of the vapor chamber 34 creates a slight vacuum, which in turn draws ambient air through the core 14 by way of the lower vent slots 28.
  • the polar surfaces of the core material of the core 14 attract scent molecules from the scented liquid 24 and distribute them over the surfaces of the core material.
  • movement of air through the core 14 strips the scent molecules from the surfaces of the core material and expels them through the upper vent slots 30 into the ambient air, thereby scenting the air with a dry molecular vapor.
  • the transformation of the scented liquid 24 from a liquid to a molecular vapor is achieved without the use of a heater. Removal of the scent molecules by the moving air allows wicking of the scented fluid 24 to continue.
  • the scent diffuser 10 is also provided with a power supply module 38 to provide power to the electrically-operated fan 36.
  • the power supply module 38 is provided with electrically-conductive prongs 40 that may be inserted into a conventional household electrical outlet (not shown).
  • the electrically-powered fan 36 operates on a 12-volt power source.
  • the power supply module 38 may include a 120-volt to 12-volt converter connected to the fan 36 by two small gauge wires (not shown).
  • Other suitable power supplies e.g., batteries
  • other means of electrically connecting the fan 36 to the power supply module 38 will be recognized by those having ordinary skill in the art.
  • Embodiments of the present invention have no heating elements and, thus, can operate on less electrical power than scent diffusers with heating elements.
  • power requirements are low enough that adequate power can be provided by conventional batteries or by solar cells, as discussed elsewhere herein.
  • electrical transformers are not required, and power control can be provided using small circuit boards of known types.
  • wick 22 with the high-surface-area core material 14 described herein forms a key functional element of the embodiment 10 of FIG. 1 , in that this combination provides a means for transporting scent molecules or scented liquids and dispersing them as vapors without the application of heat. It is also notable that the efficiency of the scenting/diffusion process can be controlled by the characteristics of the wick 22 in the scent diffuser 10 of FIG. 1 , which can be selected to provide desired flow rates of the scented material 24. For example, wicking materials may be selected to provide faster or slower transport of the scented fluid 24, based on the chemical and physical properties of the wicking material.
  • FIGS. 2 and 3 are, respectively, a schematic orthogonal view and a cross- sectional view of a second type of scent diffuser 42 according to a second embodiment of the present invention.
  • Scent diffuser 42 has a hollow body 44 and a base 46.
  • the hollow body 44 contains a core 48 made from a core material that substantially has the same characteristics as the core material 14 described above with respect to the scent diffuser 10 of FIG. 1.
  • the hollow body 44 also contains a foam reservoir 50 comprising a hydrophilic foam that can adsorb scent molecules or retain quantities of a scented liquid.
  • the foam thus acts as a reservoir for the scent molecules or scented liquid (not shown).
  • a suitable foam is CrestTM HR NC reticulated polyurethane foam (INOAC USA, INC., 1515 Equity Drive Suite 200, Troy, Ml 48084).
  • the foam reservoir 50 is in contact with the core 48 at an interfacial surface 52, such that the scented material moves naturally from the foam reservoir 50 into the core 48. The rate of movement can be controlled by the area of the interfacial surface 52.
  • the foam reservoir 50 resides in a hollow within the base 46, but is also in contact with the core 48.
  • the hollow body 44 has a cover 54 opposite the base 46.
  • the hollow body 44 is provided with lower vent slots 56 in a side wall 58 of the hollow body 44, and upper vent slots 58 in the cover 54.
  • the vent slots 56, 58 are arranged such that an interior space 60 of the hollow body 44 is in fluid communication with the ambient air outside of the scent diffuser 44 through the core 48 positioned within the interior space 60.
  • the lower vent slots 56 are arranged such that they allow air flow through the core 48 when the core 48 is positioned within the hollow body 44 occupying the portion of the interior space 60 between the core 48 and the upper vent slots 58.
  • the lower vent slots 56 are also arranged such that air can be drawn through at least a portion of the foam reservoir 50.
  • the foam reservoir 50 may be provided with slots or openings (not shown) that guide air to the interior of the foam reservoir 50 and toward the core 48.
  • An electrically-powered fan 64 is provided proximate the upper vent slots 58 to move air from the vapor chamber 62 into the ambient air through the upper vent slots 58.
  • the fan 64 is shown mounted adjacent to the cover 54 within the vapor chamber 62. In other embodiments, the fan 64 may be mounted on the other side of the cover 54, outside of the hollow body 44. Movement of the air out of the vapor chamber 62 creates a slight vacuum, which in turn draws ambient air through the core 48 by way of the lower vent slots 56.
  • removal of the scent molecules by the moving air allows transfer of scented molecules or liquid from the foam reservoir 50 to the core 48 to continue.
  • the core 48 may be accessed through a removable hatch 66 through the side wall 58 of the hollow body 44.
  • the hatch 66 may be configured such that the foam reservoir 50 is also accessible through the hatch 66.
  • the hatch 66 is configured so that a scented liquid may be added to the foam reservoir 50.
  • the hatch 66 is configured so that the core 48 and/or foam reservoir 50 may be removed and replaced.
  • the hollow body 44 and the base 46 may be connected to each other by threaded or snap-fit connections, such that the hollow body 44 may be removed from the base 46 and securely reconnected thereto, to provide access to the core 48 and foam reservoir 50, or so that the hollow body 44 and base 46 may be cleaned.
  • the fan 66 is powered by an electric battery 68.
  • the battery 68 is a rechargeable battery that is recharged by a solar panel 70 (also referred to as a "solar cell").
  • a solar panel 70 also referred to as a "solar cell”
  • the type and size of the solar panel 70 and battery 68 can be selected according to known principles by those having skill in the relevant art. More solar panels (not shown) may be added to meet the power requirements of the scent diffuser 42, or for aesthetic or functional reasons (e.g., to provide solar power when light is received from various directions).
  • the battery 68 may be of a type that is removable and replaceable through a battery access hatch 72 in the base 46.
  • the power demands of the scent diffuser 42 may be regulated through conventional circuitry 74 known in the art, and represented herein by a box 74.
  • the circuitry 74 may be accessible through a circuitry access hatch 76.
  • battery 68 is a conventional dry cell or alkaline battery.
  • power is provided through a plug-in power supply, such as power supply 38 discussed with respect to the scent diffuser of FIG. 1.
  • Any of the aforesaid embodiments of the second type of scent diffuser 42 may be provided with an on/off switch 78 electrically connected to the power control circuitry 74. Arrangements to interconnect the various components that provide electrical power, control electrical power, or operate the fan can be contrived by those having ordinary skill in the relevant arts.
  • FIGS. 4 and 5 are, respectively, a schematic orthogonal view and a side view with a cut-away portion of a third type of scent diffuser 80 according to a third embodiment of the present invention.
  • Scent diffuser 80 has a hollow body 82 and a hollow base 84.
  • the hollow body 82 and base 84 are configured such that the scent diffuser 80 presents a lower profile compared to the first and second types of scent dispenser 10, 42.
  • the hollow body 82 contains a core 86 made from a core material that substantially has the same characteristics as the core material 14 described above with respect to the first type of scent diffuser 10 of FIG. 1.
  • the base 84 contains a foam reservoir 88 comprising a hydrophilic foam having the same properties as discussed above with respect to the foam reservoir 50 of the scent diffuser 42 of FIGS. 2 and 3.
  • the foam reservoir 88 is in contact with the core 86 at an interfacial surface 90, such that the scented material moves naturally from the foam reservoir 88 into the core 86.
  • the rate of movement can be controlled by the area of the interfacial surface 90.
  • the foam reservoir 88 resides, at least in part, in the hollow body 84, in contact with the core 86.
  • the hollow body 82 has a cover 92 opposite the base 84.
  • the hollow body 82 is provided with upper vent slots 94 penetrating the cover 92.
  • the base 84 has lower vent slots 96 penetrating a side wall 98 of the base 84.
  • the side wall 98 may span the circumference of the base 84 with vent slots 96 spaced along the entire circumference, or the vent slots 96 may be located along only a portion of the side wall 98.
  • vent slots 94, 96 are arranged such that interior spaces (not shown) of the hollow body 82 and base 84 are in fluid communication with the ambient air outside of the scent diffuser 80 and with each other. Further, the lower vent slots 96 are arranged such that they allow air flow through the core 86, or both the core 86 and the foam reservoir 88. In some such embodiments, the foam reservoir 88 may be provided with slots or openings (not shown) that guide air to the interior of the foam reservoir 88 and toward the core 86.
  • An electrically-powered fan 100 is provided proximate the upper vent slots 92 to move air from the hollow body 82 and base 84 into the ambient air through the upper vent slots 94.
  • the fan 100 is shown mounted adjacent to the cover 92 within the hollow body 82. In other embodiments of the present invention, the fan 100 may be mounted on the other side of the cover 92, outside of the hollow body 82. Movement of the air out of the hollow body 82 and base 84 creates a slight vacuum, which in turn draws ambient air through the core 86 by way of the lower vent slots 96. Similar to the wicking arrangement described with respect to the scent diffuser of FIG.
  • the fan 100 is arranged such that ambient air is drawn into the scent diffuser 80 through the upper vent slots 94, through the core 86 and/or the foam reservoir 88, and out of the base 84 through the lower vent slots 96. The fan 100 may also be stopped, allowing passive air flow through the upper vent slots 94 and the lower vent slots 96.
  • the core 86 and foam reservoir 88 may be accessed through a removable hatch (not shown) at the bottom of the base 84.
  • the hatch is configured so that a scented liquid may be added to the foam reservoir 88.
  • the hatch is configured so that the core 86 and foam reservoir 88 may be removed and replaced.
  • the hollow body 82 and the base 84 may be connected to each other by threaded or snap-fit connections, such that the hollow body 82 may be removed from the base 84 and securely reconnected thereto, to provide access to the core 86 and foam reservoir 88, or so that the hollow body 82 and base 84 may be cleaned.
  • the fan 100 is powered by an electric battery (not shown), in a similar fashion to the electrical power system and components discussed with respect to the second embodiment of the present invention discussed with respect to FIGS. 2 and 3.
  • the battery is a rechargeable battery that is recharged by solar panels 102, 104, 106, 108 (also referred to as a "solar cells").
  • solar panels 102, 104, 106, 108 also referred to as a "solar cells"
  • the type and size of the solar panels 102, 104, 106, 108 and battery can be selected according to known principles by those having skill in the relevant art. Different numbers of solar panels (not shown) may be added to meet the power requirements of the scent diffuser 80, or for aesthetic or functional reasons.
  • the battery may be of a type that is removable and replaceable through a battery access hatch (not shown).
  • the power demands of the scent diffuser 80 may be regulated through conventional circuitry (not shown) known in the art.
  • the circuitry may be accessible through a circuitry access hatch (not shown).
  • there is no solar panel and the battery is a conventional dry cell or alkaline battery.
  • power is provided through a plug-in power supply, such as power supply 38 discussed with respect to the scent diffuser of FIG. 1. Any of the aforesaid embodiments, may be provided with an on/off switch 110 electrically connected to the power control circuitry. Arrangements to interconnect the various components that provide electrical power, control electrical power, or operate the fan can be contrived by those having ordinary skill in the relevant arts.
  • the combination of the foam reservoir 50, 88 with the high- surface-area core material used in core 48, 86 herein forms a key functional element of the embodiments of FIGS. 2-5, in that the combination provides a means for transporting scented molecules or liquid and dispersing it as a vapor without the application of heat. It is also notable that the efficiency of the scenting/diffusion process can be controlled by the foam reservoir 50, 88 and the area of the interfacial surface 52, 90, both of which can be selected to provide desired flow rates of the scent molecules or scented liquid.
  • the foam used in the foam reservoir 50, 88 or the core 48, 86 may be selected to provide faster or slower transport of the scent molecules or scented fluid, based on the chemical and physical properties of the foams used in the reservoir 50, 88 or the core 48, 86.
  • layers of other materials such as a felt or a foam having other pore sizes or degrees of hydrophilicity than the foam used in the foam reservoir 50, 88 may be interposed between the foam reservoir 50, 88 and the core 48, 86 to control the transfer rate of the scent molecules or scented liquid.
  • materials other than foam it is also possible to substitute materials other than foam to construct a reservoir in place of the foam reservoir 50, 88.
  • a liquid reservoir such as liquid reservoir 16 with an arrangement of a wick and a core similar to wick 22 and core 14 of the embodiment 10 discussed with respect to FIG.
  • FIGS. 2-5 can be used in place of the arrangement of foam reservoir 50, 58 and core 48, 86 discussed with respect to the embodiments of FIGS. 2-5.
  • the components of such an arrangement may be accessible through the aforementioned hatches in bases 48, 84, or by detaching the hollow body 44, 82 from the base 46, 84.
  • Scent diffusers of the present invention can be used with a variety of volatile substances having polar functional groups.
  • volatile substances include, without limitation, pheromones that act as attractants (e.g., those used to attract deer or other game, or to calm domestic animals); substances used as perfumes, odor masks, diet aids, aroma therapy agents, medicaments, or repellants for insects or other animals; or other volatile polar substances and their uses which are known or may become known.
  • the scented liquid can include a higher concentration of the scented substance than is typically used in scent diffusers, or may be an essentially pure scented substance. Solvents or other high-vapor-pressure substances are not required. It is also not necessary to heat the scented substance.
  • the efficiency of the scenting/diffusion process for scent diffusers 10, 42, 80 can also be controlled by fabricating the core material with larger or smaller pore sizes or different thicknesses of the hydrophilic foam at the surfaces of the core material 14, 86. Such control can also be achieved, for example, by interspersing layers of the core material with layers of other porous materials designed to slow or advance the adsorption or release of the scented liquid.
  • the foamed material from which the core 14, 46, 86 is made should resist swelling in order to ensure that the wicking or other transfer mechanism continues to work at the desired rate and that the surface area of the high-surface-area core material is not diminished by such swelling.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Diffuseur de senteurs comprenant un cœur pour adsorber ou absorber, puis libérer, les molécules d'un liquide parfumé, un réservoir destiné à contenir le liquide parfumé, une mèche pour transporter le liquide parfumé depuis le réservoir jusqu'au cœur. Le cœur est contenu dans un corps creux dans lequel le réservoir peut être incorporé, ou auquel il peut être fixé. Les diffuseurs de senteurs de ce type libèrent des vapeurs moléculaires de liquide parfumé à température ambiante, et n'ont par conséquent pas besoin d'élément chauffant. Le liquide parfumé peut être stocké par adsorption ou par absorption dans une mousse hydrophile à aire spécifique élevée. La mousse hydrophile est en contact physique avec le cœur de façon que le parfum se déplace directement depuis la mousse jusqu'au cœur dans un liquide ou sous la forme de molécules de parfum.
PCT/US2014/010484 2013-01-08 2014-01-07 Diffuseur de senteurs à cœur en mousse Ceased WO2014110028A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361750130P 2013-01-08 2013-01-08
US61/750,130 2013-01-08
US201361777764P 2013-03-12 2013-03-12
US61/777,764 2013-03-12

Publications (2)

Publication Number Publication Date
WO2014110028A2 true WO2014110028A2 (fr) 2014-07-17
WO2014110028A3 WO2014110028A3 (fr) 2015-02-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017073298A1 (fr) * 2015-10-30 2017-05-04 住友化学株式会社 Dispositif de diffusion de produit chimique
WO2017073295A1 (fr) * 2015-10-30 2017-05-04 住友化学株式会社 Dispositif de diffusion de produit chimique
US20210228760A1 (en) * 2017-01-31 2021-07-29 Rimports Llc Fragrance dispenser with fragrance conservation features
US20230014596A1 (en) * 2017-01-31 2023-01-19 Rimports Llc Fragrance dispenser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3010613A (en) * 1957-05-03 1961-11-28 Stossel Ernest Foam producing and dispensing device
US3134544A (en) * 1961-12-11 1964-05-26 David W M Copley Dispenser having a resilient sponge and piston
JP5006399B2 (ja) * 2006-09-22 2012-08-22 ザ プロクター アンド ギャンブル カンパニー 超音波変換器を使用して液体活性物質を発生させるためのデリバリーシステム
KR20100092049A (ko) * 2008-01-11 2010-08-19 더 질레트 컴퍼니 유체 전달 시스템

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017073298A1 (fr) * 2015-10-30 2017-05-04 住友化学株式会社 Dispositif de diffusion de produit chimique
WO2017073295A1 (fr) * 2015-10-30 2017-05-04 住友化学株式会社 Dispositif de diffusion de produit chimique
US20210228760A1 (en) * 2017-01-31 2021-07-29 Rimports Llc Fragrance dispenser with fragrance conservation features
US20230014596A1 (en) * 2017-01-31 2023-01-19 Rimports Llc Fragrance dispenser
US11766500B2 (en) * 2017-01-31 2023-09-26 Rimports, Llc Fragrance dispenser with fragrance conservation features
US12472279B2 (en) * 2017-01-31 2025-11-18 Rimports Llc Fragrance dispenser

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