ES2678595A1 - POLYMER FRESHENER-QUITAOLORES AND MANUFACTURING PROCESS (Machine-translation by Google Translate, not legally binding) - Google Patents
POLYMER FRESHENER-QUITAOLORES AND MANUFACTURING PROCESS (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES2678595A1 ES2678595A1 ES201730171A ES201730171A ES2678595A1 ES 2678595 A1 ES2678595 A1 ES 2678595A1 ES 201730171 A ES201730171 A ES 201730171A ES 201730171 A ES201730171 A ES 201730171A ES 2678595 A1 ES2678595 A1 ES 2678595A1
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- Prior art keywords
- aromatic
- polymer
- silicone
- dissolved
- manufacturing process
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920000642 polymer Polymers 0.000 title claims description 21
- 239000000126 substance Substances 0.000 claims abstract description 26
- 125000003118 aryl group Chemical group 0.000 claims abstract description 23
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 21
- 239000000077 insect repellent Substances 0.000 claims abstract description 7
- 239000003205 fragrance Substances 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 3
- 239000000178 monomer Substances 0.000 claims abstract description 3
- 230000000749 insecticidal effect Effects 0.000 claims 1
- 230000009965 odorless effect Effects 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 22
- 239000002386 air freshener Substances 0.000 abstract description 6
- 239000002917 insecticide Substances 0.000 abstract description 4
- 239000010692 aromatic oil Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 235000019645 odor Nutrition 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000166675 Cymbopogon nardus Species 0.000 description 1
- 235000018791 Cymbopogon nardus Nutrition 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010632 citronella oil Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002018 neem oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- RLLPVAHGXHCWKJ-UHFFFAOYSA-N permethrin Chemical group CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-UHFFFAOYSA-N 0.000 description 1
- 229960000490 permethrin Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- A61L9/01—Deodorant compositions
- A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
-
- 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
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/042—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating with the help of a macromolecular compound as a carrier or diluent
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
DESCRIPCIÓN DESCRIPTION
Polímero ambientador-quitaolores y proceso de fabricación. Polymer air freshener-remover and manufacturing process.
OBJETO DE LA INVENCIÓN 5 OBJECT OF THE INVENTION 5
La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere a un polímero ambientador-quitaolores y a su proceso de fabricación, aportando, a la función a que se destina, ventajas y características de novedad que se describirán en detalle más adelante. 10 The invention, as expressed in the statement of the present specification, refers to an air freshener-removing polymer and its manufacturing process, contributing, to the function to which it is intended, advantages and novelty characteristics that will be described in detail below. . 10
El objeto de la presente invención recae, en un compuesto polimérico constituido por un cuerpo sólido, de forma y color variable, que está basado en un sustrato de silicona que contiene disuelta una sustancia oleaginosa aromática o una combinación de varias, la cual sublima 15 cuando el elemento se somete a una corriente de aire. En según el tipo de sustancia, el polímero se puede usar para ambientar, para eliminar olores, como repelente de insectos o como insecticida. The object of the present invention lies in a polymeric compound consisting of a solid body, of variable shape and color, which is based on a silicone substrate containing dissolved an aromatic oleaginous substance or a combination of several, which sublimates when The element is subjected to a stream of air. Depending on the type of substance, the polymer can be used to freshen, to eliminate odors, as an insect repellent or as an insecticide.
CAMPO DE APLICACIÓN DE LA INVENCIÓN 20 FIELD OF APPLICATION OF THE INVENTION 20
El campo de aplicación de la presente invención se enmarca dentro del sector de la industria dedicada a la fabricación de ambientadores y productos antiolor. The field of application of the present invention is part of the industry sector dedicated to the manufacture of air fresheners and anti-odor products.
25 25
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Como referencia al estado actual de la técnica, cabe señalar que, si bien existen en el mercado múltiples tipos de productos aplicables como ambientadores, antiolores repelentes de insectos e insecticidas, al menos 30 por parte del solicitante, se desconoce la existencia de ningún polímero ambientador-quitaolores ni de otra invención de aplicación similar que As a reference to the current state of the art, it should be noted that, although there are multiple types of applicable products on the market such as air fresheners, insect repellent anti-odor and insecticides, at least 30 by the applicant, the existence of any air freshener polymer is unknown. -colors or any other invention of similar application that
presente unas características iguales o semejantes a las que presenta el que aquí, según se reivindica. It has the same or similar characteristics as those presented here, as claimed.
De hecho, se conoce un producto cercano al que propone la presente invención, consistente en un polímero con base de caucho utilizado para 5 la eliminación de olores. In fact, a product close to that proposed by the present invention is known, consisting of a rubber-based polymer used for odor removal.
Sin embargo, dicho producto tiene limitaciones inherentes a su naturaleza y procedimiento de fabricación, que suponen importantes inconvenientes, tales como: 10 However, said product has limitations inherent to its nature and manufacturing process, which entail significant inconveniences, such as:
Su proceso de producción es en caliente. Por consiguiente, cualquier producto aromático integrado, verá sus propiedades alteradas. En consecuencia, el rango de utilización es muy limitado. De hecho, sólo hay constancia de que se utilice para la 15 eliminación de olores en entornos industriales. Its production process is hot. Therefore, any integrated aromatic product will see its altered properties. Consequently, the range of use is very limited. In fact, there is only evidence that it is used for the elimination of odors in industrial environments.
Los productos aromáticos atacan químicamente al caucho. Por tanto, el producto es inherentemente inestable y a los pocos meses de su fabricación se ha descompuesto. 20 Aromatic products chemically attack rubber. Therefore, the product is inherently unstable and within a few months of its manufacture it has decomposed. twenty
Sus propiedades mecánicas cambian con el tiempo: al principio es un sólido resistente y a los pocos meses se convierte en un producto muy plástico. Its mechanical properties change over time: at first it is a strong solid and after a few months it becomes a very plastic product.
25 25
El producto no soporta temperaturas superiores a los 45 grados. Por consiguiente, si se deja en el interior de un coche en verano, se descompondrá en poco rato. The product does not withstand temperatures higher than 45 degrees. Therefore, if left inside a car in summer, it will decompose in a short time.
El producto es altamente combustible, incluso cuando se ha 30 agotado su carga. The product is highly combustible, even when its load has been used up.
El objetivo de la presente invención es, pues, dotar al mercado de una solución alternativa que evite dichos inconvenientes y aporte nuevas ventajas. The objective of the present invention is therefore to provide the market with an alternative solution that avoids said inconveniences and brings new advantages.
EXPLICACIÓN DE LA INVENCIÓN 5 EXPLANATION OF THE INVENTION 5
El polímero ambientador-quitaolores y el proceso de fabricación que la invención propone se configuran pues como una novedad dentro de su campo de aplicación, ya que a tenor de su implementación se alcanzan satisfactoriamente los objetivos anteriormente señalados, estando los 10 detalles caracterizadores que lo hacen posible convenientemente recogidos en las reivindicaciones finales que acompañan la presente descripción. The polymer-freshener-color remover and the manufacturing process that the invention proposes are therefore configured as a novelty within its field of application, since according to its implementation the aforementioned objectives are satisfactorily achieved, the 10 characterizing details that make it Possibly conveniently set out in the final claims that accompany the present description.
Concretamente, lo que la invención propone, como se ha señalado 15 anteriormente, es un compuesto polimérico constituido por un cuerpo con base de silicona que contiene disuelta una sustancia oleaginosa aromática de cualquier índole o una combinación de varias, la cual sublima cuando el elemento se somete a una corriente de aire. Specifically, what the invention proposes, as noted above, is a polymeric compound consisting of a silicone-based body containing dissolved an aromatic oleaginous substance of any kind or a combination of several, which sublimates when the element is subject to a stream of air.
20 twenty
En función del tipo de sustancia que se disuelve en la base de silicona, el polímero se puede usar para distintas aplicaciones. Así, por ejemplo, si la sustancia es una fragancia se puede usar como ambientador y/o como producto para eliminar o limpiar olores, si la sustancia es, por ejemplo Citronela o aceite de Neem, se puede usar como repelente de insectos y, 25 si por ejemplo la sustancia es Permetrina, se puede utilizar como insecticida. Además, también se prevé la posibilidad de que contenga una mezcla de distintos tipos de sustancias y, en consecuencia, el producto tenga una aplicación combinada de las antedichas. En general, el compuesto polimérico que se propone es útil en cualquier aplicación que 30 requiera la dispersión lenta y uniforme de un producto aromático, siendo Depending on the type of substance that dissolves in the silicone base, the polymer can be used for different applications. Thus, for example, if the substance is a fragrance it can be used as an air freshener and / or as a product to eliminate or clean odors, if the substance is, for example Citronella or Neem oil, it can be used as an insect repellent and, If for example the substance is Permethrin, it can be used as an insecticide. In addition, the possibility of containing a mixture of different types of substances is also envisaged and, consequently, the product has a combined application of the aforementioned. In general, the proposed polymeric compound is useful in any application that requires slow and uniform dispersion of an aromatic product, being
la más común una combinación de eliminación de olores y ambientador. the most common a combination of odor elimination and air freshener.
Cabe señalar, por otra parte, que la concentración de soluto en Silicona dependerá de la naturaleza del mismo. Normalmente se podrá disolver entre un 30% y un 50%, sin embargo, el proceso de fabricación, dado que 5 es en frío, permite actuar fuera de dichos límites. It should be noted, on the other hand, that the concentration of solute in Silicone will depend on the nature of it. Normally it can dissolve between 30% and 50%, however, the manufacturing process, since 5 is cold, allows to act outside these limits.
Como ya se ha señalado, el polímero utilizado como sustrato es Silicona. Por consiguiente, las características físicas del elemento que constituye el producto final obtenido tras su fabricación son las mismas que ésta. 10 As already noted, the polymer used as a substrate is Silicone. Therefore, the physical characteristics of the element that constitutes the final product obtained after its manufacture are the same as this one. 10
Por su parte, el proceso de fabricación es propietario, es decir, dependerá del tipo de elemento a preparar, sin embargo, en cualquier caso comprende, al menos, las siguientes etapas: For its part, the manufacturing process is proprietary, that is, it will depend on the type of element to be prepared, however, in any case it comprises, at least, the following stages:
15 fifteen
- Disolver el producto o sustancia aromática que se quiere liberar (por ejemplo, fragancia) en un monómero de Silicona. - Dissolve the aromatic product or substance to be released (for example, fragrance) in a silicone monomer.
- Una vez se ha disuelto de forma homogénea la sustancia aromática, se añade un catalizador y se deja polimerizar. 20 - Once the aromatic substance has dissolved homogeneously, a catalyst is added and allowed to polymerize. twenty
De esta manera, se obtiene un producto homogéneo e isotrópico que mantiene sus propiedades cualquiera que sea la forma final. In this way, a homogeneous and isotropic product is obtained that maintains its properties whatever the final form.
Hay que destacar que el soluto aromático se integra en la Silicona sólida, deformando la estructura reticular de la misma. Así, una vez subliman las 25 moléculas aromáticas, éstas abandonan la matriz polimérica y el sólido pierde volumen y gana dureza. Por tanto, una vez se han vaporizado, no se puede volver a “recargar” el sólido, es decir, no se comporta como una esponja. It should be noted that the aromatic solute is integrated into the solid Silicone, deforming its reticular structure. Thus, once the 25 aromatic molecules sublimate, they leave the polymer matrix and the solid loses volume and gains hardness. Therefore, once they have vaporized, the solid cannot be recharged, that is, it does not behave like a sponge.
30 30
El elemento o producto final, una vez ha perdido las moléculas volátiles, es un simple trozo de Silicona inerte y, por tanto, puede en consecuencia The final element or product, once it has lost the volatile molecules, is a simple piece of inert silicone and, therefore, can consequently
ser reciclado. be recycled
Las principales ventajas y hechos diferenciales del polímero de la invención son: The main advantages and differential facts of the polymer of the invention are:
5 5
- Es polivalente: se puede disolver cualquier producto oleaginoso y aromático en la Silicona. Por consiguiente, sus usos son múltiples y se pueden diseñar aplicaciones para casi cualquier sector de actividad. - It is versatile: any oil and aromatic product can be dissolved in the Silicone. Therefore, its uses are multiple and applications can be designed for almost any sector of activity.
10 10
- El proceso de fabricación es en frío. Por consiguiente, se puede disolver cualquier producto o sustancia aromática sin afectar a las características del mismo. Así, si se disuelve una fragancia, el producto resultante emitirá la nota aromática de dicha fragancia de forma fidedigna. Si se disuelve un repelente de mosquitos, se podrá 15 usar de forma estática para perimetrar un espacio y mantenerlo libre de mosquitos. - The manufacturing process is cold. Therefore, any aromatic product or substance can be dissolved without affecting its characteristics. Thus, if a fragrance dissolves, the resulting product will emit the aromatic note of said fragrance reliably. If a mosquito repellent dissolves, it can be used statically to perimeter a space and keep it free of mosquitoes.
Posee baja reactividad química. Es una consecuencia de utilizar Silicona como sustrato. No se produce interacción química entre el 20 sustrato y el producto disuelto y, en consecuencia, el elemento acabado es estable en el tiempo. It has low chemical reactivity. It is a consequence of using Silicone as a substrate. There is no chemical interaction between the substrate and the dissolved product and, consequently, the finished element is stable over time.
- Posee estabilidad física. El producto mantiene sus propiedades físicas a lo largo del tiempo. 25 - It has physical stability. The product maintains its physical properties over time. 25
- Posee estabilidad térmica. La Silicona es estable térmicamente a temperaturas superiores a los 240 grados Celsius. Esta función amplía el espectro de aplicación. Por ejemplo, se puede dejar de forma segura el elemento polimérico en forma de pastilla dentro de 30 un coche cerrado en verano sin riesgo. O se puede utilizar para perimetrar un área maloliente, pudiendo quedar a la intemperie sin - It has thermal stability. Silicone is thermally stable at temperatures above 240 degrees Celsius. This function extends the application spectrum. For example, the polymeric element in the form of a pill can be safely left inside a closed car in summer without risk. Or it can be used to perimeter a smelly area, being able to stay outdoors without
necesidad de protegerlo del calor ni de la lluvia. need to protect it from heat or rain.
- Posee resistencia al agua. El elemento obtenido y acabado es resistente al agua. De hecho, al mojarlo se activa más la sublimación de los Activos contenidos. 5 - It has water resistance. The element obtained and finished is water resistant. In fact, wetting it further activates the sublimation of the Assets contained. 5
- Entrega lineal. Al tratarse de una disolución isotrópica, la sublimación de las sustancias aromáticas disueltas es muy lineal en el tiempo, lo cual hace que su durabilidad sea larga. Normalmente, una carga dura entre uno y dos meses. La velocidad de sublimación 10 se puede modificar sometiendo el elemento polimérico a una corriente de aire mayor o menor. Así, combinando el tamaño del elemento con la corriente aire a que esté sujeto, se pueden obtener diferentes durabilidades, siendo éstas ajustables. - Linear delivery. Being an isotropic solution, the sublimation of dissolved aromatic substances is very linear over time, which makes its durability long. Normally, a charge lasts between one and two months. The sublimation rate 10 can be modified by subjecting the polymeric element to a greater or lesser air flow. Thus, by combining the size of the element with the air current to which it is subject, different durations can be obtained, these being adjustable.
15 fifteen
Como se ha dicho, el polímero ambientador-quitaolores, para ser eficaz, debe instalarse en lugares en los que esté sujeto a una corriente de aire, la cual puede ser generada por un dispositivo específico, o pueden aprovecharse otros sistemas de ventilación forzada, como como puede ser un sistema de acondicionamiento de aire. Los principales sectores de 20 uso son: As it has been said, the air freshener-odor-removing polymer, to be effective, must be installed in places where it is subject to an air current, which can be generated by a specific device, or other forced ventilation systems, such as such as an air conditioning system. The main sectors of 20 use are:
Locales comerciales Commercial premises
Restauración Restoration
Medios de transporte (trenes, metros, autobuses) Means of transport (trains, subways, buses)
Oficinas 25 Offices 25
Habitaciones de hotel Hotel rooms
Sistemas de alcantarillado Sewage systems
Repelente de moscas y mosquitos Fly and mosquito repellent
Plantillas para el calzado Shoe insoles
30 30
Lógicamente, para cada caso se le dará la forma y tamaño que más convenga. Logically, for each case it will be given the shape and size that is most convenient.
Descrita suficientemente la naturaleza de la presente invención, así como la manera de ponerla en práctica, no se considera necesario hacer más extensa su explicación para que cualquier experto en la materia comprenda su alcance y las ventajas que de ella se derivan, haciéndose 5 constar que, dentro de su esencialidad, podrá ser llevada a la práctica en otros modos de realización que difieran en detalle de la indicada a título de ejemplo, y a las cuales alcanzará igualmente la protección que se recaba siempre que no se altere, cambie o modifique su principio fundamental. 10 Describing sufficiently the nature of the present invention, as well as the way of putting it into practice, it is not considered necessary to make its explanation more extensive so that any person skilled in the art understands its scope and the advantages that derive from it, making it clear that , within its essentiality, may be carried out in other embodiments that differ in detail from that indicated by way of example, and which will also achieve the protection that is sought provided that it is not altered, changed or modified its principle fundamental. 10
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730171A ES2678595B1 (en) | 2017-02-13 | 2017-02-13 | POLIMERO AMBIENTADOR-QUITAOLORES AND MANUFACTURING PROCESS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201730171A ES2678595B1 (en) | 2017-02-13 | 2017-02-13 | POLIMERO AMBIENTADOR-QUITAOLORES AND MANUFACTURING PROCESS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2678595A1 true ES2678595A1 (en) | 2018-08-14 |
| ES2678595B1 ES2678595B1 (en) | 2019-05-23 |
Family
ID=63104349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201730171A Active ES2678595B1 (en) | 2017-02-13 | 2017-02-13 | POLIMERO AMBIENTADOR-QUITAOLORES AND MANUFACTURING PROCESS |
Country Status (1)
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| ES (1) | ES2678595B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725575A (en) * | 1986-12-10 | 1988-02-16 | Union Camp Corporation | Silicone rubber dispensers of volatile organic liquids |
| US6838033B2 (en) * | 2000-08-02 | 2005-01-04 | International Flavors And Fragrances Inc. | Decorative materials encased in a polymer with fragrance releasing characteristics |
| US20050218561A1 (en) * | 2004-04-02 | 2005-10-06 | Keith Watson | Silcone based scent media |
| WO2010115781A2 (en) * | 2009-03-31 | 2010-10-14 | Dow Corning Corporation | Organopolysiloxane compositions containing an active material |
| US20140023690A1 (en) * | 2011-07-15 | 2014-01-23 | Frank M. Fosco, JR. | Polymer surfaces containing heat labile components adsorbed on polymeric carriers and methods for their preparation |
-
2017
- 2017-02-13 ES ES201730171A patent/ES2678595B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725575A (en) * | 1986-12-10 | 1988-02-16 | Union Camp Corporation | Silicone rubber dispensers of volatile organic liquids |
| US6838033B2 (en) * | 2000-08-02 | 2005-01-04 | International Flavors And Fragrances Inc. | Decorative materials encased in a polymer with fragrance releasing characteristics |
| US20050218561A1 (en) * | 2004-04-02 | 2005-10-06 | Keith Watson | Silcone based scent media |
| WO2010115781A2 (en) * | 2009-03-31 | 2010-10-14 | Dow Corning Corporation | Organopolysiloxane compositions containing an active material |
| US20140023690A1 (en) * | 2011-07-15 | 2014-01-23 | Frank M. Fosco, JR. | Polymer surfaces containing heat labile components adsorbed on polymeric carriers and methods for their preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2678595B1 (en) | 2019-05-23 |
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