Patents for C09B 63 - Lakes (763)
07/1993
07/22/1993WO1993013743A1 Product based on coloured mineral particles including a melanic pigment, process for preparing same and application in cosmetics
02/1993
02/11/1993DE4126461A1 Inorganic mol. sieve charged with water insol. organic dyestuff - comprises dyestuff having mol. size corresp. at most to pore size of mol. sieve, used as pigment or optical storage material
02/04/1993WO1993002145A1 Mixed coupled azo pigments
02/04/1993CA2113073A1 Mixed coupled azo pigments
12/1992
12/23/1992EP0518909A1 Water-insoluble azo dyes, their manufacture and use.
12/10/1992WO1992021726A1 Composite pigment and method for the production
12/10/1992CA2110596A1 Composite pigment and method for the production
12/08/1992CA1311092C Compositions based on indanthrone blue pigments
12/02/1992EP0515602A1 Surface-modified flake-like substrates.
10/1992
10/18/1992CA2066078A1 Pigments, their production and use
10/15/1992DE4111348A1 New metal lake of diazo cpd. used as pigment - prepd. from amino chloromethyl or di:chlorobenzene sulphonic acid and sulpho-phenyl methyl pyrazolone
09/1992
09/29/1992CA1307874C Colored micaceous pigments
09/01/1992US5144014 Process for production of monoazo lake coated with water-insoluble metal salt of rosin
08/1992
08/26/1992EP0220617B1 Flaky coloured pigment
07/1992
07/14/1992US5130463 Phosphoric acid esters, method of producing them, and use thereof as dispersants
07/07/1992US5128454 Coupling
07/07/1992US5127952 Core/oxide/dye pigmentary colorants
06/1992
06/25/1992WO1992010545A1 Surface-modified flake-like substrates
06/17/1992DE4039593A1 Oberflaechenmodifizierte plaettchenfoermige substrate Oberflaechenmodifizierte plaettchenfoermige substrates
06/09/1992CA1303026C Mixed crystals of laked azo dyes
05/1992
05/19/1992CA1301069C Ultrafine mineral powder comprising melanic pigments, process for its preparation and its use in cosmetics
05/12/1992US5112612 Porous spherical silica for dispersion in perfumes, flavors, pigments, antiseptics, bactericides, fungicides and bleaches
04/1992
04/21/1992US5106421 Reaction product of a mineral pigment, organic dye and a polymeric fixative; reinforcing fillers for rubbers and plastics
03/1992
03/25/1992EP0476700A2 Granular colorant and method for preparing the same
03/21/1992CA2051878A1 Granular colorant and method for preparing the same
01/1992
01/28/1992US5084106 Monoazo lake pigment
01/09/1992WO1992000355A1 Pigments based on double-layer hydroxides, process for manufacturing the pigments, and their use
01/02/1992DE4020272A1 Pigmente auf basis von doppelschicht-hydroxiden, verfahren zu deren herstellung sowie deren verwendung Pigments based on double-layer hydroxides, processes for their preparation and their use
12/1991
12/24/1991US5074917 Novel oxide/dye pigmentary colorants
10/1991
10/22/1991US5059248 Stable, fluid, aqueous pigment dispersions for use in film coating tablets and the like
10/08/1991US5055564 Modified crystalline monoazo lake pigment
10/01/1991CA1289964C Compositions based on a 1,4-diketo-pyrrolo¬3,4-c| pyrrole and a chemically modified derivative thereof, process for their preparation and use thereof
09/1991
09/19/1991WO1991013941A1 Water-insoluble azo dyes, their manufacture and use
09/12/1991DE4007535A1 Wasserunloesliche azofarbmittel, ihre herstellung und verwendung Water-insoluble azo colorants, their production and use
09/10/1991US5047517 Laked pyrazolone azo pigment, process for its preparation and its use
06/1991
06/25/1991US5026831 Water-insoluble disazo colorants having hetero-bicyclic methylene-active compounds as coupling component
06/19/1991EP0363471A4 Dyed mineral pigments and applications
06/18/1991US5025041 Pearlescent coating compositions
04/1991
04/30/1991US5011690 Mixing aqueous stabilized silica sol containing dispersed material and aqueous polymer solution to form two-phase system, condensing to aggregate silica drops into spheres containing included material
03/1991
03/20/1991EP0417490A2 Phosphoric acid esters, process for their preparation and use as dispersing agent
02/1991
02/21/1991WO1991002033A1 Stable, fluid, aqueous pigment dispersions
02/12/1991CA1279962C Flaky coloured pigments
12/1990
12/25/1990US4980458 Mixed sodium, ammonium and/or calcium salt crystals of laked monoazo disulfonated pyrazolone pigments
12/19/1990EP0403432A2 Pearlescent coating compositions
12/12/1990CN1047681A Dyed mineral pigments and applications
10/1990
10/09/1990US4961754 Ultrafine inorganic powder containing melanin pigments, process for preparation thereof and its use in cosmetics
09/1990
09/18/1990US4957841 Specifically influencing the triboelectric effect of azo pigments
06/1990
06/26/1990US4937338 Reaction product of cationic dye and heteropolyacid; optical recording media
04/1990
04/18/1990EP0363471A1 Dyed mineral pigments and applications
04/04/1990EP0361431A2 Monoazo pigment, process for its preparation and its use
04/03/1990US4914211 Pigment compositions
03/1990
03/21/1990EP0359123A2 Process to influence selectively the triboelectric effect of azopigments
03/21/1990EP0358810A1 Monoazo lake pigment
01/1990
01/30/1990CA1265128A1 Insoluble pigments and preparation thereof
01/30/1990CA1265127A1 Insoluble pigments and preparation thereof
01/30/1990CA1265126A1 Insoluble pigments and preparation thereof
10/1989
10/19/1989WO1989009804A1 Dyed mineral pigments and applications
08/1989
08/29/1989US4861379 Spherical fine particulate pigment and process for preparing the same
07/1989
07/25/1989US4851549 Pigments
07/11/1989US4847365 Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolones
06/1989
06/21/1989EP0320774A2 Monoazo pigment, its preparation process and its use
06/20/1989US4840676 Insoluble pigments and preparation thereof
05/1989
05/24/1989EP0316649A2 Water insoluble azo colouring agents, their preparation and use
01/1989
01/24/1989CA1249265A1 Metal complexes and use thereof
12/1988
12/13/1988US4791204 1,4-diketopyrrolo[3,4-c]pyrrole pigments
12/07/1988EP0294206A2 Spheroidal silica
11/1988
11/15/1988US4785088 Pigments and their preparation
10/1988
10/25/1988US4780422 Dyed inorganic composite particles and process for production thereof
09/1988
09/27/1988US4773936 Ion exchangers, dyes, substrates
09/20/1988US4772331 Flaky colored pigments, methods for their production, and their use in cosmetic compositions
09/06/1988US4769080 Insoluble pigments and preparation thereof
08/1988
08/30/1988US4767844 Coupling diazo component having sulfonic acid group with a mixture of 2-hydroxy-3-naphthoic acid and the amide derivatives thereof
08/30/1988US4767421 Method of manufacturing a water-insoluble dye layer on a substrate and substrate comprising a dye layer of a cationic dye or an anionic dye ion exchanged with an opposite ion
08/17/1988EP0278633A2 Colored micaceous pigments
07/1988
07/06/1988CN87101269A Spherical fine particulate pigment and process for preparing same
07/05/1988US4755229 Micaceous platelets coated with layer comprising hydrous oxide or hydroxide of polyvalent cation, precipitate with anionic polymer, water insoluble colored pigment
06/1988
06/29/1988EP0272697A2 Monoazo lake pigment
06/29/1988EP0272649A2 Spherical fine particulate pigment and process for preparing the same
05/1988
05/04/1988EP0266248A1 Coloured pigments based on a mineral oxide of the silica, alumina, titanium oxide or zirconium oxide type, and processes for preparing them
05/04/1988EP0266247A1 Coloured pigments, notably magnetic pigments, processes for their preparation and their applications, notably to the preparation of development powders
04/1988
04/06/1988EP0263074A2 Mixed crystals of laked azo dyes
02/1988
02/03/1988EP0254988A2 Process for the manufacture of dye preparations
01/1988
01/27/1988EP0254681A2 Stuff compositions based on idanthrone blue pigments
01/12/1988US4719292 β-modified crystalline red pigment
01/07/1988EP0250700A2 Dyed inorganic composite particles and process for production thereof
12/1987
12/08/1987US4711674 Surface treatment with n-(3-alkoxy-2-hydroxypropyl)trialkyl ammonium salt
10/1987
10/29/1987DE3712946A1 Monoazo pigments
09/1987
09/08/1987US4692189 Varnishes
07/1987
07/15/1987EP0228485A1 Aqueous pigment suspension
06/1987
06/16/1987EP0225553A2 Azo dye lacquer
06/03/1987EP0224445A2 Pyrrolo-pyrrole pigment preparations, their preparation process and their use
05/1987
05/20/1987EP0222335A2 Non-bronzing reddish lake pigment
05/12/1987US4664715 Preparation of lakes having improved performance characteristics
05/06/1987EP0220617A2 Flaky coloured pigment
03/1987
03/31/1987CA1219858A1 Crystal modification of pigment red 53:1
03/24/1987US4652313 Aqueous lake pigment suspension
01/1987
01/07/1987EP0207317A2 Pigments, their preparation and their use
12/1986
12/30/1986EP0206800A2 Insoluble pigments and preparation thereof
12/30/1986EP0206798A2 Insoluble pigments and preparation thereof
12/30/1986EP0206797A2 Insoluble pigments and preparation thereof
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