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RU2005118747A - Новые иетерференционные пигменты - Google Patents

Новые иетерференционные пигменты Download PDF

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Publication number
RU2005118747A
RU2005118747A RU2005118747/15A RU2005118747A RU2005118747A RU 2005118747 A RU2005118747 A RU 2005118747A RU 2005118747/15 A RU2005118747/15 A RU 2005118747/15A RU 2005118747 A RU2005118747 A RU 2005118747A RU 2005118747 A RU2005118747 A RU 2005118747A
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Russia
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layer
sio
pigment according
layer containing
tio
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RU2005118747/15A
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English (en)
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Патрис БЮЖАР (CH)
Патрис БЮЖАР
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Циба Спешиалти Кемикэлз Холдинг Инк. (Ch)
Циба Спешиалти Кемикэлз Холдинг Инк.
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Publication of RU2005118747A publication Critical patent/RU2005118747A/ru

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0015Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • C09C1/0051Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index
    • C09C1/0054Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index one layer consisting of at least one sub-stoichiometric inorganic compound
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    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0015Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0015Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • C09C1/0051Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index
    • C09C1/0057Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index comprising at least one light-absorbing layer
    • C09C1/0072Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index comprising at least one light-absorbing layer consisting of a carbonaceous material, e.g. carbon black, graphite, SWNT, MWNT incorporated within an inorganic material
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    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62Metallic pigments or fillers
    • C09C1/64Aluminium
    • C09C1/642Aluminium treated with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • C01P2006/62L* (lightness axis)
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • C01P2006/63Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • C01P2006/64Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • C01P2006/65Chroma (C*)
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • C01P2006/66Hue (H*)
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/10Interference pigments characterized by the core material
    • C09C2200/1054Interference pigments characterized by the core material the core consisting of a metal
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/10Interference pigments characterized by the core material
    • C09C2200/1054Interference pigments characterized by the core material the core consisting of a metal
    • C09C2200/1058Interference pigments characterized by the core material the core consisting of a metal comprising a protective coating on the metallic layer
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    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/301Thickness of the core
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/302Thickness of a layer with high refractive material
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/303Thickness of a layer with low refractive material
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2200/00Compositional and structural details of pigments exhibiting interference colours
    • C09C2200/30Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
    • C09C2200/304Thickness of intermediate layers adjacent to the core, e.g. metallic layers, protective layers, rutilisation enhancing layers or reflective layers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C2220/00Methods of preparing the interference pigments
    • C09C2220/20PVD, CVD methods or coating in a gas-phase using a fluidized bed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2993Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Cosmetics (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Paints Or Removers (AREA)
  • Ink Jet (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Claims (12)

1. Пигмент, включающий (A) необязательно слой, содержащий металл, (B) по меньшей мере один слой, который расположен между слоями (А) и (С), если имеется слой (А), и содержит металл, кремний (Si) и кислород (О), и (C) необязательно слой, содержащий SiOz, на слое (В), в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
2. Пигмент по п.1, включающий (B) по меньшей мере один слой, который содержит металл, кремний (Si) и кислород (О), и (C) не менее одного слоя, содержащего SiOz, на слое (В), в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
3. Пигмент по п.2, включающий (С1) слой, содержащий SiOz, (В) по меньшей мере один слой, который расположен между слоями (С1) и (С2) и содержит металл, кремний (Si) и кислород (О), (С2) по меньшей мере один слой, содержащий SiOz, на слое (В), в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
4. Пигмент по п.3, включающий (D) дополнительный слой материала, обладающего большим показателем преломления, предпочтительно TiO2, аморфный углерод, алмазоподобный углерод или карбид кремния.
5. Пигмент по п.4, включающий (D1) слой материала, обладающего большим показателем преломления, предпочтительно TiO2, (С1) слой, содержащий SiOz, (В) по меньшей мере один слой, который расположен между слоями (С1) и (С2) и содержит металл, кремний (Si) и кислород (О), (С2) слой, содержащий SiOz, и (D2) слой материала, обладающего большим показателем преломления, предпочтительно TiO2, в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
6. Пигмент по любому из пп.1-5, в котором металл выбран из группы, включающей Ag, Al, Cu, Cr, Mo, Ni, Ti и их сплавы, предпочтительно алюминий.
7. Пигмент по п.3, обладающий следующей слоистой структурой: TiO2/SiOz/ядро/SiOz/TiO2, в котором ядро формируется из слоя (В) или из системы слой (В)/слой (А)/слой (В), в котором слой (В) содержится только на плоскопараллельных сторонах, но не на боковых сторонах слоя (А), в котором слой SiOz содержится только на плоскопараллельных сторонах, но не на боковых сторонах и слой TiO2 наносится на всю поверхность; SiC/SiOz/ядро/SiOz/SiC или С/SiOz/ядро/SiOz/С, в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
8. Пигмент, получаемый прокаливанием плоскопараллельных структур (чешуек), включающих (А) не менее одного слоя, содержащего металл, и (С) не менее одного слоя, содержащего SiOz, в котором 0,70≤z≤2,0, предпочтительно 1,1≤z≤2,0, в неокислительной атмосфере и необязательно покрытием полученных чешуек с помощью других слоев.
9. Плоскопараллельные структуры, включающие (А) слой, содержащий металл, предпочтительно алюминий, и (С) не менее одного слоя, содержащего SiOz, в котором 0,70≤z≤2,0, предпочтительно 1,10≤z≤2,0, более предпочтительно 1,40≤z≤2,0.
10. Применение пигмента по любому из пп.1-8 для струйной печати, для крашения тканей, для пигментирования покрытий, красок, типографских красок, пластмасс, косметических средств, глазурей для керамики и стекла.
11. Композиция, включающая пигмент по любому из пп.1-8.
12. Косметическое средство, краска, типографская краска или покрытие, включающее пигмент по любому из пп.1-8.
RU2005118747/15A 2002-11-13 2003-11-03 Новые иетерференционные пигменты RU2005118747A (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02405978 2002-11-13
EP02405978.4 2002-11-13
EP03405026.0 2003-01-23
EP03405026 2003-01-23

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RU2005118747A true RU2005118747A (ru) 2006-01-27

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Country Status (9)

Country Link
US (1) US7452597B2 (ru)
EP (1) EP1570008A1 (ru)
JP (1) JP4777066B2 (ru)
KR (1) KR20050075396A (ru)
AU (1) AU2003301972A1 (ru)
CA (1) CA2495007A1 (ru)
MX (1) MXPA05002425A (ru)
RU (1) RU2005118747A (ru)
WO (1) WO2004044060A1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2506294C2 (ru) * 2007-12-19 2014-02-10 Мерк Патент Гмбх Интенсивно окрашенные и/или оптически изменяющиеся пигменты с электропроводящим ядром
RU2514923C2 (ru) * 2007-12-19 2014-05-10 Мерк Патент Гмбх Цветопеременные пигменты высокой электрической проводимости

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AU2003271697A1 (en) * 2002-10-16 2004-05-04 Ciba Specialty Chemicals Holding Inc. Interference pigments on the basis of silicon oxides
JP2005287377A (ja) * 2004-03-31 2005-10-20 Cbc Kk 鳥獣類忌避器具及び方法
US20070231295A1 (en) * 2004-05-12 2007-10-04 Holger Hoppe Antimicrobial Silicon Oxide Flakes
WO2006010720A2 (en) * 2004-07-26 2006-02-02 Ciba Specialty Chemicals Holding Inc. Reactive silicon suboxide flakes
ATE501222T1 (de) 2004-08-23 2011-03-15 Basf Se Verfahren zur herstellung von blättchenförmigen pigmenten basierend auf aluminium und sioz (z=0.7-2.0)
JP4686538B2 (ja) * 2005-02-23 2011-05-25 株式会社東芝 放射線遮蔽シート
WO2007054379A1 (en) * 2005-06-22 2007-05-18 Ciba Specialty Chemicals Holding Inc. Interference pigments on the basis of glass flakes
US7559985B2 (en) * 2005-12-15 2009-07-14 Axalto Sa Ink suitable for printing smart card and process for producing a printed smart card with such an ink
US9063291B2 (en) * 2007-08-12 2015-06-23 Toyota Motor Engineering & Manufacturing North America, Inc. Omnidirectional reflector
US9612369B2 (en) 2007-08-12 2017-04-04 Toyota Motor Engineering & Manufacturing North America, Inc. Red omnidirectional structural color made from metal and dielectric layers
US10788608B2 (en) 2007-08-12 2020-09-29 Toyota Jidosha Kabushiki Kaisha Non-color shifting multilayer structures
US10048415B2 (en) 2007-08-12 2018-08-14 Toyota Motor Engineering & Manufacturing North America, Inc. Non-dichroic omnidirectional structural color
US7903339B2 (en) * 2007-08-12 2011-03-08 Toyota Motor Engineering & Manufacturing North America, Inc. Narrow band omnidirectional reflectors and their use as structural colors
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