DE19638708A1 - Mehrschichtige Interferenzpigmente - Google Patents

Mehrschichtige Interferenzpigmente

Info

Publication number
DE19638708A1
DE19638708A1 DE19638708A DE19638708A DE19638708A1 DE 19638708 A1 DE19638708 A1 DE 19638708A1 DE 19638708 A DE19638708 A DE 19638708A DE 19638708 A DE19638708 A DE 19638708A DE 19638708 A1 DE19638708 A1 DE 19638708A1
Authority
DE
Germany
Prior art keywords
layers
pigments
refractive index
metal oxide
interference
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.)
Withdrawn
Application number
DE19638708A
Other languages
German (de)
English (en)
Inventor
Johann Dr Dietz
Manfred Parnsel
Matthias Schilling
Klaus Dr Ambrosius
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7806427&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19638708(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Priority to DE19638708A priority Critical patent/DE19638708A1/de
Priority to CN97191302A priority patent/CN1081660C/zh
Priority to CZ981555A priority patent/CZ155598A3/cs
Priority to MX9803990A priority patent/MX204339B/es
Priority to CA002238035A priority patent/CA2238035A1/en
Priority to DE59711278T priority patent/DE59711278D1/de
Priority to AU46211/97A priority patent/AU4621197A/en
Priority to PCT/EP1997/004850 priority patent/WO1998012266A1/de
Priority to BR9706789A priority patent/BR9706789A/pt
Priority to JP51423598A priority patent/JP4689771B2/ja
Priority to EP97944842A priority patent/EP0882099B2/de
Priority to TW086113517A priority patent/TW455621B/zh
Publication of DE19638708A1 publication Critical patent/DE19638708A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C09C1/0024Pigments 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 high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3417Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/14Colouring matters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/02Ingredients treated with inorganic substances
    • 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/36Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
    • 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
    • C09C2200/10Interference pigments characterized by the core material
    • C09C2200/102Interference pigments characterized by the core material the core consisting of glass or silicate material like mica or clays, e.g. kaolin
    • 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
    • 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
    • C09C2220/10Wet methods, e.g. co-precipitation
    • C09C2220/106Wet methods, e.g. co-precipitation comprising only a drying or calcination step of the finally coated pigment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Cosmetics (AREA)
  • Glass Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
DE19638708A 1996-09-21 1996-09-21 Mehrschichtige Interferenzpigmente Withdrawn DE19638708A1 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DE19638708A DE19638708A1 (de) 1996-09-21 1996-09-21 Mehrschichtige Interferenzpigmente
EP97944842A EP0882099B2 (de) 1996-09-21 1997-09-06 Mehrschichtige interferenzpigmente
AU46211/97A AU4621197A (en) 1996-09-21 1997-09-06 Multilayered interference pigments
CZ981555A CZ155598A3 (cs) 1996-09-21 1997-09-06 Několikavrstvový interferenční pigment
MX9803990A MX204339B (en) 1996-09-21 1997-09-06 Multilayered interference pigments
CA002238035A CA2238035A1 (en) 1996-09-21 1997-09-06 Multilayer interference pigments
DE59711278T DE59711278D1 (de) 1996-09-21 1997-09-06 Mehrschichtige interferenzpigmente
CN97191302A CN1081660C (zh) 1996-09-21 1997-09-06 多层干涉色颜料
PCT/EP1997/004850 WO1998012266A1 (de) 1996-09-21 1997-09-06 Mehrschichtige interferenzpigmente
BR9706789A BR9706789A (pt) 1996-09-21 1997-09-06 Corantes de interferéncia com multicamadas
JP51423598A JP4689771B2 (ja) 1996-09-21 1997-09-06 多層干渉顔料
TW086113517A TW455621B (en) 1996-09-21 1997-09-18 Multilayer interference pigments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19638708A DE19638708A1 (de) 1996-09-21 1996-09-21 Mehrschichtige Interferenzpigmente

Publications (1)

Publication Number Publication Date
DE19638708A1 true DE19638708A1 (de) 1998-04-16

Family

ID=7806427

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19638708A Withdrawn DE19638708A1 (de) 1996-09-21 1996-09-21 Mehrschichtige Interferenzpigmente
DE59711278T Expired - Lifetime DE59711278D1 (de) 1996-09-21 1997-09-06 Mehrschichtige interferenzpigmente

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59711278T Expired - Lifetime DE59711278D1 (de) 1996-09-21 1997-09-06 Mehrschichtige interferenzpigmente

Country Status (11)

Country Link
EP (1) EP0882099B2 (OSRAM)
JP (1) JP4689771B2 (OSRAM)
CN (1) CN1081660C (OSRAM)
AU (1) AU4621197A (OSRAM)
BR (1) BR9706789A (OSRAM)
CA (1) CA2238035A1 (OSRAM)
CZ (1) CZ155598A3 (OSRAM)
DE (2) DE19638708A1 (OSRAM)
MX (1) MX204339B (OSRAM)
TW (1) TW455621B (OSRAM)
WO (1) WO1998012266A1 (OSRAM)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003063616A1 (de) * 2002-02-01 2003-08-07 Merck Patent Gmbh Verwendung von mehrschichtpigmenten im lebensmittel- und pharmabereich
WO2004067645A3 (en) * 2003-01-17 2004-10-21 Engelhard Corp Multi-layer effect pigment with the outermost layer having a larger thickness
EP1661729A2 (de) 2004-11-30 2006-05-31 MERCK PATENT GmbH Laserkennzeichnung von Wertdokumenten
EP2065451A2 (de) 1999-10-01 2009-06-03 Merck Patent GmbH Trockenpräparate
US8268069B2 (en) 2004-08-13 2012-09-18 Merck Patent Gmbh Pearlescent pigments
US8765103B2 (en) 2007-04-05 2014-07-01 Glassflake Limited Pearlescent pigments containing cosmetic compositions
US9663661B2 (en) 2007-04-05 2017-05-30 Eckart Gmbh Effect pigments comprising a glass flake substrate
US11364708B2 (en) 2019-07-08 2022-06-21 Vdi Llc Dielectric thin film coatings for unidirectional and bidirectional wavelength selective reflective color generation

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618569A1 (de) 1996-05-09 1997-11-13 Merck Patent Gmbh Mehrschichtige Interferenzpigmente
DE19746067A1 (de) 1997-10-17 1999-04-22 Merck Patent Gmbh Interferenzpigmente
DE19917388A1 (de) * 1999-04-16 2000-10-19 Merck Patent Gmbh Pigmentmischung
US6428773B1 (en) * 2000-01-13 2002-08-06 Color Access, Inc. Shadow-effect cosmetic composition
DE10006651A1 (de) * 2000-02-15 2001-08-16 Bayer Ag Zusammensetzung enthaltend Polycarbonat und Pigmente
DE10061178A1 (de) * 2000-12-07 2002-06-20 Merck Patent Gmbh Silberfarbenes Glanzpigment
DE10120179A1 (de) * 2001-04-24 2002-10-31 Merck Patent Gmbh Farbige Pigmente
JP2003003089A (ja) * 2001-06-26 2003-01-08 Kao Corp 被覆粉体
US7604862B2 (en) * 2001-07-12 2009-10-20 Merck Patent Gesellschaft Mit Beschrankter Haftung Multilayer pigments based on glass flakes
JP4334204B2 (ja) 2002-11-21 2009-09-30 メルク株式会社 高輝度高彩度虹彩顔料およびその製造方法
EP1469042A3 (de) * 2003-03-27 2010-07-07 MERCK PATENT GmbH Pigmentgemisch und dessen Verwendung in der Kosmetik und im Lebensmittel- und Pharmabereich
CN100484907C (zh) * 2003-06-25 2009-05-06 中国科学院大连化学物理研究所 一种生物无机复混肥料
CN1323117C (zh) * 2004-04-19 2007-06-27 付建生 随角异色颜料及其生产方法
CN1266229C (zh) * 2004-08-10 2006-07-26 汕头市龙华珠光颜料有限公司 一种随角异色的多层变色颜料及其生产方法
DE602005026820D1 (de) 2004-08-23 2011-04-21 Basf Se Verfahren zur herstellung von blättchenförmigen pi0)
WO2006088759A1 (en) 2005-02-12 2006-08-24 Engelhard Corporation Transparent goniochromatic multilayer effect pigment
CN100432164C (zh) * 2005-06-09 2008-11-12 上海印钞厂 一种具有偏振效果的光学变色油墨
CN100362057C (zh) * 2005-12-14 2008-01-16 林一中 多层涂覆的随角异色干涉颜料及其制备方法
WO2008135383A1 (en) * 2007-05-02 2008-11-13 Basf Se Reinforced metal oxide flakes for effect pigments
US20100203093A1 (en) 2007-07-12 2010-08-12 Ciba Corporation Interference pigments on the basis of perlite flakes
EP2207854B1 (en) 2007-10-26 2012-01-25 Basf Se Security element
WO2009135784A1 (en) * 2008-05-09 2009-11-12 Basf Se Pearlescent pigments coated with a metal oxide/hydroxide layer and an acrylic copolymer
KR101422968B1 (ko) 2009-10-28 2014-07-30 바스프 에스이 개선된 스파클링 효과를 갖는 안료
EP2531563B1 (de) 2010-02-04 2016-11-09 Merck Patent GmbH Effektpigmente
JP5984678B2 (ja) 2010-02-04 2016-09-06 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 改善されたきらめき効果を有する顔料組成物
WO2011103713A1 (zh) * 2010-02-24 2011-09-01 汕头市龙华珠光颜料有限公司 一种新型的随角异色光干涉颜料
TW201139532A (en) 2010-04-30 2011-11-16 Styron Europe Gmbh Improved light diffusing composition
WO2012013663A2 (en) 2010-07-28 2012-02-02 Basf Se Use of perlite based effect pigments for finishes with antique, or patina appearance
BR112015023311A2 (pt) * 2013-03-15 2017-07-18 Basf Se pigmento, método para fazer um pigmento e produto.
DE102013016932A1 (de) 2013-10-11 2015-04-30 Merck Patent Gmbh Pigmente
EP3034563B2 (de) * 2014-12-19 2024-10-16 Eckart GmbH Goldfarbene Effektpigmente mit hohem Chroma und hoher Brillanz, Verfahren zu ihrer Herstellung und Verwendung derselben
SI3034562T2 (sl) * 2014-12-19 2022-04-29 Eckart Gmbh Absorbirni efektni pigmenti z visoko kromatičnostjo in visokim sijajem, postopek za njihovo pripravo in njihova uporaba
EP3072934A1 (de) * 2015-03-27 2016-09-28 FL Services GmbH Schichtbau, Verfahren zu dessen Herstellung und Verwendung desselben
CN106316444A (zh) * 2016-08-11 2017-01-11 华北水利水电大学 一种多孔莫来石陶瓷的制备方法
EP3574051A1 (en) 2018-04-04 2019-12-04 Altana Ag Effect pigments based on colored hectorites and coated colored hectorites and manufacture thereof
CN113861668B (zh) * 2021-11-17 2023-02-28 尼伦化学(上海)有限公司 一种高折光指数、高耐磨tpu粒子及制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373575A1 (de) * 1988-12-16 1990-06-20 MERCK PATENT GmbH Leitfähige plättchenförmige Pigmente

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* Cited by examiner, † Cited by third party
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DE2244298C3 (de) 1972-09-09 1975-06-19 Merck Patent Gmbh, 6100 Darmstadt Perlglanzpigmente und Verfahren zu ihrer Herstellung
GB1556272A (en) * 1976-05-26 1979-11-21 Mearl Corp Iron oxide coated mica nacreous pigments
US4879140A (en) * 1988-11-21 1989-11-07 Deposition Sciences, Inc. Method for making pigment flakes
JP3073836B2 (ja) 1992-07-02 2000-08-07 メルク・ジヤパン株式会社 耐変色性を有する真珠光沢顔料およびその製造方法
JP3389360B2 (ja) 1994-01-18 2003-03-24 マツダ株式会社 光干渉材及びそれを含有する塗料
DE4437753A1 (de) * 1994-10-21 1996-04-25 Basf Ag Mehrfach beschichtete metallische Glanzpigmente
DE19525503A1 (de) 1995-07-13 1997-01-16 Basf Ag Goniochromatische Glanzpigmente auf Basis transparenter, nichtmetallischer, plättchenförmiger Substrate
DE19618569A1 (de) 1996-05-09 1997-11-13 Merck Patent Gmbh Mehrschichtige Interferenzpigmente

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0373575A1 (de) * 1988-12-16 1990-06-20 MERCK PATENT GmbH Leitfähige plättchenförmige Pigmente

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2065451A2 (de) 1999-10-01 2009-06-03 Merck Patent GmbH Trockenpräparate
WO2003063616A1 (de) * 2002-02-01 2003-08-07 Merck Patent Gmbh Verwendung von mehrschichtpigmenten im lebensmittel- und pharmabereich
WO2004067645A3 (en) * 2003-01-17 2004-10-21 Engelhard Corp Multi-layer effect pigment with the outermost layer having a larger thickness
US8268069B2 (en) 2004-08-13 2012-09-18 Merck Patent Gmbh Pearlescent pigments
EP1661729A2 (de) 2004-11-30 2006-05-31 MERCK PATENT GmbH Laserkennzeichnung von Wertdokumenten
US8765103B2 (en) 2007-04-05 2014-07-01 Glassflake Limited Pearlescent pigments containing cosmetic compositions
US9663661B2 (en) 2007-04-05 2017-05-30 Eckart Gmbh Effect pigments comprising a glass flake substrate
US11364708B2 (en) 2019-07-08 2022-06-21 Vdi Llc Dielectric thin film coatings for unidirectional and bidirectional wavelength selective reflective color generation

Also Published As

Publication number Publication date
CA2238035A1 (en) 1998-03-26
CZ155598A3 (cs) 1998-09-16
JP4689771B2 (ja) 2011-05-25
DE59711278D1 (de) 2004-03-11
EP0882099A1 (de) 1998-12-09
EP0882099B1 (de) 2004-02-04
BR9706789A (pt) 1999-04-13
WO1998012266A1 (de) 1998-03-26
JP2000501774A (ja) 2000-02-15
TW455621B (en) 2001-09-21
EP0882099B2 (de) 2009-04-08
CN1081660C (zh) 2002-03-27
CN1205022A (zh) 1999-01-13
AU4621197A (en) 1998-04-14
MX204339B (en) 2001-09-21
MX9803990A (en) 1999-07-31

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Legal Events

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OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee