ZA200002863B - Ink composition comprising first and second optically variable pigments. - Google Patents

Ink composition comprising first and second optically variable pigments.

Info

Publication number: ZA200002863B
Authority: ZA; South Africa
Prior art keywords: ink composition; optically variable; variable pigments; pigments; coating
Prior art date: 1998-10-08

Application number

ZA200002863A

Other languages

English (en)

Inventor

Anton Bleikolm

Olivier Rozumek

Edgar Mueller

Original Assignee

Sicpa Holding Sa

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.)

1998-10-08

Filing date

2000-06-07

Publication date

2000-12-08

2000-06-07 Application filed by Sicpa Holding Sa filed Critical Sicpa Holding Sa

2000-12-08 Publication of ZA200002863B publication Critical patent/ZA200002863B/xx

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)
Ink Jet Recording Methods And Recording Media Thereof (AREA)
Pigments, Carbon Blacks, Or Wood Stains (AREA)
Paints Or Removers (AREA)
Laminated Bodies (AREA)
Printing Methods (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Credit Cards Or The Like (AREA)
Liquid Crystal Substances (AREA)

ZA200002863A 1998-10-08 2000-06-07 Ink composition comprising first and second optically variable pigments. ZA200002863B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP98118992		1998-10-08

Publications (1)

Publication Number	Publication Date
ZA200002863B true ZA200002863B (en)	2000-12-08

Family

ID=8232763

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA200002863A ZA200002863B (en)	1998-10-08	2000-06-07	Ink composition comprising first and second optically variable pigments.

Country Status (24)

Country	Link
US (1)	US6472455B1 (fr)
EP (1)	EP1036116B1 (fr)
JP (2)	JP2002527563A (fr)
KR (1)	KR100620335B1 (fr)
CN (1)	CN1168784C (fr)
AT (1)	ATE215589T1 (fr)
AU (1)	AU757967B2 (fr)
BR (1)	BR9906859B1 (fr)
CA (1)	CA2312155C (fr)
CZ (1)	CZ300777B6 (fr)
DE (1)	DE69901159T2 (fr)
DK (1)	DK1036116T3 (fr)
ES (1)	ES2176033T3 (fr)
HU (1)	HU223659B1 (fr)
ID (1)	ID26212A (fr)
NO (1)	NO320205B1 (fr)
NZ (1)	NZ505563A (fr)
PL (1)	PL199968B1 (fr)
PT (1)	PT1036116E (fr)
RU (1)	RU2220174C2 (fr)
TR (1)	TR200001659T1 (fr)
UA (1)	UA52807C2 (fr)
WO (1)	WO2000022049A1 (fr)
ZA (1)	ZA200002863B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004019084A1 (fr) *	2001-03-28	2004-03-04	Sumitomo Metal Mining Co.,Ltd.	Film absorbant la lumiere visible, corps de structure presentant le film absorbant la lumiere visible et encre absorbant la lumiere visible destinee a la formation d'un film absorbant la lumiere visible
EP1288269A1 (fr) *	2001-08-28	2003-03-05	Sicpa Holding S.A.	Encre sérigraphiable à base d'eau
EP1288265A1 (fr)	2001-08-28	2003-03-05	Sicpa Holding S.A.	Composition d'encre. PIGMENTS INTERFERENTIELS, utilisation de la composition, PIGMENTS INTERFERENTIELS et procédé de traitement des pigments
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
CN101115807A (zh) *	2004-12-17	2008-01-30	卡伯特公司	包含多层颜料的喷墨油墨
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
US20080087189A1 (en) *	2005-10-03	2008-04-17	Sun Chemical Corporation	Security pigments and the process of making thereof
US20080274028A1 (en) *	2005-10-03	2008-11-06	Hai Hui Lin	Security pigments and the process of making thereof
KR101385856B1 (ko)	2006-05-24	2014-04-17	닛산 가가쿠 고교 가부시키 가이샤	게이트 절연막용 도포액, 게이트 절연막 및 유기 트랜지스터
WO2009121605A2 (fr)	2008-04-02	2009-10-08	Sicpa Holding S.A.	Identification et authentification par utilisation de marquages en un matériau cristal liquide
WO2010037638A2 (fr) *	2008-10-03	2010-04-08	Sicpa Holding Sa	Élément de sécurité double variable optiquement
PE20100769A1 (es)	2009-04-02	2010-11-25	Sicpa Holding Sa	Identificacion y autenticacion usando marcados de material de cristal liquido polimerico
FR2959842B1 (fr)	2010-05-05	2012-05-04	Honnorat Rech S & Services	Document securise, testeur et methode d'authentification.
FR2959843B1 (fr)	2010-05-05	2013-01-25	Honnorat Rech S & Services	Dispositif d'authentification discret.
US8703255B2 (en)	2010-10-22	2014-04-22	Hewlett-Packard Development Company, L.P.	Printed articles with optically variable properties
EP2772145B2 (fr) *	2013-02-27	2024-06-19	Philip Morris Products S.A.	Article à fumer avec marquage de changement de couleur
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 (fr)	2013-11-18	2015-10-09	Jds Uniphase Corp
WO2018024760A1 (fr) *	2016-08-04	2018-02-08	Merck Patent Gmbh	Procédé pour réaliser une image imprimée optiquement variable
EP3517579B1 (fr)	2018-01-23	2022-10-26	Merck Patent GmbH	Mélange de pigments interférentiels rouge, bleu et vert
US20210102072A1 (en) *	2019-10-08	2021-04-08	Viavi Solutions Inc.	Composition including dual cavity color shifting pigments

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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
EP1335005B1 (fr) *	1997-04-22	2006-06-21	Ciba SC Holding AG	Pigments colorés à effets particuliers et leur utilisaton
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 NZ NZ505563A patent/NZ505563A/en not_active IP Right Cessation
- 1999-10-08 CN CNB998017892A patent/CN1168784C/zh not_active Expired - Lifetime
- 1999-10-08 AT AT99952544T patent/ATE215589T1/de active
- 1999-10-08 AU AU64699/99A patent/AU757967B2/en not_active Ceased
- 1999-10-08 HU HU0100370A patent/HU223659B1/hu active IP Right Grant
- 1999-10-08 JP JP2000575947A patent/JP2002527563A/ja active Pending
- 1999-10-08 KR KR1020007006188A patent/KR100620335B1/ko not_active Expired - Fee Related
- 1999-10-08 DK DK99952544T patent/DK1036116T3/da active
- 1999-10-08 PL PL341155A patent/PL199968B1/pl not_active IP Right Cessation
- 1999-10-08 WO PCT/EP1999/007572 patent/WO2000022049A1/fr active IP Right Grant
- 1999-10-08 US US09/555,879 patent/US6472455B1/en not_active Expired - Lifetime
- 1999-10-08 CA CA002312155A patent/CA2312155C/fr not_active Expired - Fee Related
- 1999-10-08 EP EP99952544A patent/EP1036116B1/fr not_active Expired - Lifetime
- 1999-10-08 BR BRPI9906859-1A patent/BR9906859B1/pt 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 PT PT99952544T patent/PT1036116E/pt unknown
- 1999-10-08 RU RU2000118212/04A patent/RU2220174C2/ru not_active IP Right Cessation
- 1999-10-08 DE DE69901159T patent/DE69901159T2/de not_active Expired - Lifetime
- 1999-10-08 CZ CZ20002111A patent/CZ300777B6/cs not_active IP Right Cessation
2000
- 2000-06-07 NO NO20002897A patent/NO320205B1/no not_active IP Right Cessation
- 2000-06-07 ZA ZA200002863A patent/ZA200002863B/xx unknown
2007
- 2007-09-28 JP JP2007252853A patent/JP2008050612A/ja active Pending

Also Published As

Publication number	Publication date
AU6469999A (en)	2000-05-01
KR20010032860A (ko)	2001-04-25
ID26212A (id)	2000-12-07
HU223659B1 (hu)	2004-11-29
NO320205B1 (no)	2005-11-14
EP1036116B1 (fr)	2002-04-03
DE69901159D1 (de)	2002-05-08
RU2220174C2 (ru)	2003-12-27
NZ505563A (en)	2002-07-26
CA2312155A1 (fr)	2000-04-20
TR200001659T1 (tr)	2000-12-21
DK1036116T3 (da)	2002-07-29
US6472455B1 (en)	2002-10-29
CZ20002111A3 (cs)	2000-11-15
NO20002897L (no)	2000-06-29
EP1036116A1 (fr)	2000-09-20
ES2176033T3 (es)	2002-11-16
HUP0100370A3 (en)	2002-03-28
JP2008050612A (ja)	2008-03-06
KR100620335B1 (ko)	2006-09-13
JP2002527563A (ja)	2002-08-27
BR9906859B1 (pt)	2009-01-13
ATE215589T1 (de)	2002-04-15
CN1287568A (zh)	2001-03-14
CZ300777B6 (cs)	2009-08-05
BR9906859A (pt)	2000-10-10
PL199968B1 (pl)	2008-11-28
PT1036116E (pt)	2002-09-30
AU757967B2 (en)	2003-03-13
UA52807C2 (uk)	2003-01-15
PL341155A1 (en)	2001-03-26
HUP0100370A2 (hu)	2001-06-28
WO2000022049A1 (fr)	2000-04-20
CA2312155C (fr)	2007-01-09
DE69901159T2 (de)	2003-01-09
CN1168784C (zh)	2004-09-29
HK1034730A1 (en)	2001-11-02
NO20002897D0 (no)	2000-06-07

Publication	Publication Date	Title
ZA200002863B (en)	2000-12-08	Ink composition comprising first and second optically variable pigments.
ZA986339B (en)	2000-10-16	Bright white film coatings and film coating compositions therefor.
AU2623397A (en)	1997-06-19	Data carrier with optically variable colour
AU7049696A (en)	1997-05-08	Pigments for paper coating compositions
AU2001595A (en)	1995-11-30	Passification of optically variable pigment and waterborne coating compositons containing the same
WO2002066266A8 (fr)	2003-11-06	Film à distrosion chromatique marqué avec des colorants fluorescents et non fluorescents
AU2207599A (en)	1999-07-19	Image subregion querying using color correlograms
CA2224996A1 (fr)	1996-11-28	Compositions gonflant dans l'eau
ID22477A (id)	1999-10-21	Pencegahan perubahan warna dalam komposisi pelapis yang mengandung piritiona
TR199800006A3 (tr)	1999-10-21	Dekstrin bazli film kaplamalari ve film kaplama terkipleri.
FI942031A7 (fi)	1994-11-05	Pigmentti painopaperin pinnoituskoostumusta varten
EP0621319A3 (fr)	1995-01-11	Composition pigmentaire, encre d'impression et composition de revêtement.
AU7773694A (en)	1995-06-29	Polymeric pigment dispersants for use in coating compositions
AU4920796A (en)	1996-09-04	Screen printable decorative coating composition
AU4860996A (en)	1996-09-04	Pigment compositions
AU6822396A (en)	1997-03-12	Pigment stabilization
AU1405095A (en)	1995-07-17	Optically clear hydrophobic coating composition
BR9708411A (pt)	1999-08-03	Revestimentos em pó cujar cor notada depende do ângula de visão
AU695060B2 (en)	1998-08-06	Coloring paint composition
AU6215096A (en)	1997-03-06	Pigment compositions
PL336490A1 (en)	2000-05-22	Polymeric composition for retention of water and activation of optical brightener used in paper colour coating and coated paper aheet obtained by use of such composition
EP0769537A3 (fr)	1997-12-29	Composition d'encre présentant une excellente résistance à l'eau
AU2077797A (en)	1998-07-31	Stain inhibiting pigment composition
AU3023695A (en)	1996-03-14	Immunoassay elements having stable leuco dye coatings
AU5781198A (en)	1998-09-08	Water-base white pigment ink for ballpoints