ES2176033T3 - Composicion de tinta que comprende primeros y segundos pigmentos opticamente variables. - Google Patents
Composicion de tinta que comprende primeros y segundos pigmentos opticamente variables.Info
- Publication number
- ES2176033T3 ES2176033T3 ES99952544T ES99952544T ES2176033T3 ES 2176033 T3 ES2176033 T3 ES 2176033T3 ES 99952544 T ES99952544 T ES 99952544T ES 99952544 T ES99952544 T ES 99952544T ES 2176033 T3 ES2176033 T3 ES 2176033T3
- Authority
- ES
- Spain
- Prior art keywords
- optically variable
- layer
- pigments
- thin film
- ink composition
- 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.)
- Expired - Lifetime
Links
- 239000000049 pigment Substances 0.000 title abstract 4
- 239000010410 layer Substances 0.000 abstract 6
- 239000012792 core layer Substances 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 2
- 230000003042 antagnostic effect Effects 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000002952 polymeric resin Substances 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0081—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
- C09C1/0021—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a core coated with only one layer having a high or low refractive index
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/65—Chroma (C*)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/66—Hue (H*)
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/10—Interference pigments characterized by the core material
- C09C2200/1004—Interference pigments characterized by the core material the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/10—Interference pigments characterized by the core material
- C09C2200/1004—Interference pigments characterized by the core material the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2
- C09C2200/1008—Interference pigments characterized by the core material the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2 comprising at least one metal layer adjacent to the core material, e.g. core-M or M-core-M
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C2200/00—Compositional and structural details of pigments exhibiting interference colours
- C09C2200/10—Interference pigments characterized by the core material
- C09C2200/1054—Interference pigments characterized by the core material the core consisting of a metal
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C2220/00—Methods of preparing the interference pigments
- C09C2220/10—Wet methods, e.g. co-precipitation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT 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
- C09C2220/00—Methods of preparing the interference pigments
- C09C2220/20—PVD, CVD methods or coating in a gas-phase using a fluidized bed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
- Liquid Crystal Substances (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98118992 | 1998-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2176033T3 true ES2176033T3 (es) | 2002-11-16 |
Family
ID=8232763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES99952544T Expired - Lifetime ES2176033T3 (es) | 1998-10-08 | 1999-10-08 | Composicion de tinta que comprende primeros y segundos pigmentos opticamente variables. |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US6472455B1 (enExample) |
| EP (1) | EP1036116B1 (enExample) |
| JP (2) | JP2002527563A (enExample) |
| KR (1) | KR100620335B1 (enExample) |
| CN (1) | CN1168784C (enExample) |
| AT (1) | ATE215589T1 (enExample) |
| AU (1) | AU757967B2 (enExample) |
| BR (1) | BR9906859B1 (enExample) |
| CA (1) | CA2312155C (enExample) |
| CZ (1) | CZ300777B6 (enExample) |
| DE (1) | DE69901159T2 (enExample) |
| DK (1) | DK1036116T3 (enExample) |
| ES (1) | ES2176033T3 (enExample) |
| HU (1) | HU223659B1 (enExample) |
| ID (1) | ID26212A (enExample) |
| NO (1) | NO320205B1 (enExample) |
| NZ (1) | NZ505563A (enExample) |
| PL (1) | PL199968B1 (enExample) |
| PT (1) | PT1036116E (enExample) |
| RU (1) | RU2220174C2 (enExample) |
| TR (1) | TR200001659T1 (enExample) |
| UA (1) | UA52807C2 (enExample) |
| WO (1) | WO2000022049A1 (enExample) |
| ZA (1) | ZA200002863B (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1288265A1 (en) * | 2001-08-28 | 2003-03-05 | Sicpa Holding S.A. | Ink composition comprising optically variable pigments, use of the composition, optically variable pigment and method of treating said pigment |
| EP1288269A1 (en) * | 2001-08-28 | 2003-03-05 | Sicpa Holding S.A. | Water-based screen printing ink |
| US7927696B2 (en) * | 2002-08-21 | 2011-04-19 | Sumitomo Metal Mining Co., Ltd. | Visible light absorbing film, structural member having this visible light absorbing film and visible light absorbing ink which forms visible light absorbing film |
| US7029525B1 (en) | 2003-10-21 | 2006-04-18 | The Standard Register Company | Optically variable water-based inks |
| US7677714B2 (en) | 2004-10-01 | 2010-03-16 | Hewlett-Packard Development Company, L.P. | Inkjet inks providing improved wet smudge on porous print media |
| US7651557B2 (en) | 2004-12-17 | 2010-01-26 | Cabot Corporation | Inkjet inks comprising multi-layer pigments |
| 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 |
| WO2007041579A2 (en) | 2005-10-03 | 2007-04-12 | Sun Chemical Corporation | Security pigments and the process of making thereof |
| US20080087189A1 (en) * | 2005-10-03 | 2008-04-17 | Sun Chemical Corporation | Security pigments and the process of making thereof |
| EP2028683B1 (en) | 2006-05-24 | 2017-12-27 | Nissan Chemical Industries, Ltd. | Process for producing an organic transistor. |
| TWI422498B (zh) * | 2008-04-02 | 2014-01-11 | Sicpa Holding Sa | 使用液晶材料標記之識別法及鑑別法 |
| JP5311159B2 (ja) * | 2008-10-03 | 2013-10-09 | シクパ ホルディング ソシエテ アノニム | 光学的に変化する対セキュリティ要素 |
| UY32530A (es) | 2009-04-02 | 2010-10-29 | Sicpa Holding Sa | Identificación y autenticación usando marcados de material de cristal liquido polimérico |
| FR2959843B1 (fr) | 2010-05-05 | 2013-01-25 | Honnorat Rech S & Services | Dispositif d'authentification discret. |
| FR2959842B1 (fr) | 2010-05-05 | 2012-05-04 | Honnorat Rech S & Services | Document securise, testeur et methode d'authentification. |
| US8703255B2 (en) | 2010-10-22 | 2014-04-22 | Hewlett-Packard Development Company, L.P. | Printed articles with optically variable properties |
| EP2772145B2 (en) * | 2013-02-27 | 2024-06-19 | Philip Morris Products S.A. | Smoking article with colour shifting marking |
| FR3004471B1 (fr) | 2013-04-11 | 2015-10-23 | Arjowiggins Security | Element de securite comportant une structure de masquage contenant un melange de charges nanometriques. |
| FR3004470B1 (fr) * | 2013-04-11 | 2015-05-22 | Arjowiggins Security | Element de securite comportant un pigment interferentiel et une charge nanometrique. |
| IN2014MU03621A (enExample) | 2013-11-18 | 2015-10-09 | Jds Uniphase Corp | |
| CN109562629B (zh) * | 2016-08-04 | 2021-02-02 | 默克专利股份有限公司 | 用于产生光学可变印刷图案的方法 |
| EP3517579B1 (de) * | 2018-01-23 | 2022-10-26 | Merck Patent GmbH | Pigmentgemisch enthaltend rote, blaue und grüne interferenzpigmente |
| US20210102072A1 (en) * | 2019-10-08 | 2021-04-08 | Viavi Solutions Inc. | Composition including dual cavity color shifting pigments |
| EP4065647A4 (en) | 2019-11-29 | 2023-12-27 | Viavi Solutions Inc. | COMPOSITION COMPRISING A COLOR-CHANGING PIGMENT WITH A DIFFERENT PARTICLE SIZE |
| US20240208865A1 (en) * | 2022-12-21 | 2024-06-27 | Concrete Sealants, Inc. | Pigmented suspension for use in concrete densification agents |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766738A (en) * | 1979-12-28 | 1998-06-16 | Flex Products, Inc. | Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method |
| US5569535A (en) * | 1979-12-28 | 1996-10-29 | Flex Products, Inc. | High chroma multilayer interference platelets |
| DE3003352A1 (de) * | 1980-01-31 | 1981-08-06 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von eisenoxidbelegten metallpigmenten |
| US4879140A (en) * | 1988-11-21 | 1989-11-07 | Deposition Sciences, Inc. | Method for making pigment flakes |
| RU2035314C1 (ru) * | 1992-07-28 | 1995-05-20 | Предприятие "Спекл" | Способ изготовления голографических этикеток |
| ES2108814T3 (es) * | 1993-12-10 | 1998-01-01 | Agfa Gevaert Nv | Documento de seguridad con un soporte transparente o translucido y que contiene pigmentos de interferencia. |
| US5498781A (en) * | 1994-05-23 | 1996-03-12 | Basf Corporation | Passification of optically variable pigment and waterborne coating compositions containg the same |
| US5527848A (en) * | 1994-12-14 | 1996-06-18 | Basf Corporation | Pacification of optically variable pigments for use in waterborne coating compositions |
| US5871827A (en) * | 1996-06-21 | 1999-02-16 | Ciba Specialty Chemicals Corporation | Finishes containing light interference pigments |
| GB9619781D0 (en) * | 1996-09-23 | 1996-11-06 | Secr Defence | Multi layer interference coatings |
| EP0874026B1 (de) * | 1997-04-22 | 2003-08-06 | Ciba SC Holding AG | Verfahren zur Herstellung farbiger Effektpigmente |
| US6139613A (en) * | 1998-08-21 | 2000-10-31 | Aveka, Inc. | Multilayer pigments and their manufacture |
-
1998
- 1998-10-08 ID IDW20001339A patent/ID26212A/id unknown
-
1999
- 1999-08-10 UA UA2000074072A patent/UA52807C2/uk unknown
- 1999-10-08 JP JP2000575947A patent/JP2002527563A/ja active Pending
- 1999-10-08 AU AU64699/99A patent/AU757967B2/en not_active Ceased
- 1999-10-08 PL PL341155A patent/PL199968B1/pl not_active IP Right Cessation
- 1999-10-08 HU HU0100370A patent/HU223659B1/hu active IP Right Grant
- 1999-10-08 CZ CZ20002111A patent/CZ300777B6/cs not_active IP Right Cessation
- 1999-10-08 NZ NZ505563A patent/NZ505563A/en not_active IP Right Cessation
- 1999-10-08 TR TR2000/01659T patent/TR200001659T1/xx unknown
- 1999-10-08 ES ES99952544T patent/ES2176033T3/es not_active Expired - Lifetime
- 1999-10-08 AT AT99952544T patent/ATE215589T1/de active
- 1999-10-08 CA CA002312155A patent/CA2312155C/en not_active Expired - Fee Related
- 1999-10-08 DK DK99952544T patent/DK1036116T3/da active
- 1999-10-08 BR BRPI9906859-1A patent/BR9906859B1/pt not_active IP Right Cessation
- 1999-10-08 RU RU2000118212/04A patent/RU2220174C2/ru not_active IP Right Cessation
- 1999-10-08 CN CNB998017892A patent/CN1168784C/zh not_active Expired - Lifetime
- 1999-10-08 DE DE69901159T patent/DE69901159T2/de not_active Expired - Lifetime
- 1999-10-08 PT PT99952544T patent/PT1036116E/pt unknown
- 1999-10-08 US US09/555,879 patent/US6472455B1/en not_active Expired - Lifetime
- 1999-10-08 WO PCT/EP1999/007572 patent/WO2000022049A1/en not_active Ceased
- 1999-10-08 KR KR1020007006188A patent/KR100620335B1/ko not_active Expired - Fee Related
- 1999-10-08 EP EP99952544A patent/EP1036116B1/en not_active Expired - Lifetime
-
2000
- 2000-06-07 ZA ZA200002863A patent/ZA200002863B/xx unknown
- 2000-06-07 NO NO20002897A patent/NO320205B1/no not_active IP Right Cessation
-
2007
- 2007-09-28 JP JP2007252853A patent/JP2008050612A/ja active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2004207750B2 (en) | Multi-layer effect pigment with the outermost layer having a larger thickness | |
| BR0318086A (pt) | Corantes e lâminas magnéticas, resistentes multicamadas | |
| WO2005016842A3 (fr) | Substrat transparent comportant un revetement antireflet | |
| AU2001272708A1 (en) | Optically active film composite | |
| KR860009325A (ko) | 투명형 홀로그램 | |
| EP1279443A3 (en) | Antireflective, mar-resistant multilayer laminate | |
| DE60303368D1 (de) | Dünnfilmbeschichtung mit einer niob-titan-lage | |
| ATE310716T1 (de) | Mehrschichtige interferenzplättchen enthaltende hochchromatische anstrichstoffe | |
| BR0312249A (pt) | Substrato transparente, vidraça múltipla, processo de obtenção da vidraça, e, aplicação da vidraça | |
| DE60238875D1 (de) | Mehrschichtiges Informationsaufzeichnungsmedium und Informationsaufzeichnungs- und -wiedergabegerät | |
| WO2003074272A1 (en) | Biaxially oriented multi-layer laminated film and method for manufacture thereof | |
| HUP0100370A2 (hu) | Optikailag változó első és második festékanyagot tartalmazó tinta, keverék, valamint biztonsági dokumentum | |
| TW200506272A (en) | Blocking filter | |
| WO2009069695A1 (ja) | 透明導電膜およびその製造方法 | |
| TW200531830A (en) | Antireflection multilayer laminate film | |
| ATE209577T1 (de) | Verbundfolienstruktur | |
| EP0947266A4 (en) | MULTILAYER COATED POWDER | |
| BR9915397A (pt) | Filmes iridescentes em múltiplas camadas | |
| KR840007803A (ko) | 반도체 레이더 장치 | |
| BR9914085A (pt) | Documentos de segurança de núcleo impresso | |
| DE29514771U1 (de) | Beleuchtbare Anzeigeeinheit | |
| PT1078975E (pt) | Material estratificado colesterico com uma impressao de cor melhorada e processos para o seu fabrico | |
| CO2021008515A2 (es) | Sustrato transparente con película delgada de múltiples capas y unidad de acristalamiento múltiple que comprende el mismo | |
| DE50005489D1 (de) | Cholesterisches Schichtmaterial mit verbesserter Farbbeständigkeit und Verfahren zu dessen Herstellung | |
| KR960019102A (ko) | 다층 광 기록 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 1036116 Country of ref document: ES |