Patents
Patents for C09B 67 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films (19,338)
02/1988
02/16/1988US4725519 Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials
02/16/1988US4725317 Process for preparing pigment compositions
02/16/1988US4725285 Liquid compositions of reactive dyestuffs with alkali metal poly(meth)acrylate
02/16/1988US4725284 Thermal transfer printing with z-alkyl-phenoxy anthraquinone dye mixture
02/16/1988CA1232707A1 Method and compositions relating to the activation of fluorescent whitening agents
02/11/1988WO1988000960A1 Composition and method of use thereof for treating thermoplastic articles
02/10/1988EP0255667A1 Continuous flushing process
02/09/1988CA1232409A1 Process for preparing pigment compositions
02/04/1988DE3724981A1 Optischer informationsaufzeichnungstraeger Optical informationsaufzeichnungstraeger
02/03/1988EP0255481A1 Process for the photochemical stabilisation of a fibrous polyamide material and its mixtures with other fibres
02/03/1988EP0255078A2 Aqueous pigment preparations and their use
02/03/1988EP0254988A2 Process for the manufacture of dye preparations
02/03/1988EP0254861A1 Process for preparing coated cadmiun based pigments
02/03/1988EP0254858A2 Chromogenic 3,1-benzoxazine
02/02/1988US4722738 Process to decolorize dye composition and method of use thereof for coloring thermoplastic articles
02/02/1988US4722737 Stable gamma-modification of a benzisothiazole azo dyestuff
02/02/1988US4722736 Low-dusting particulate solid dye composition using aryl hydroxy-polyalkoxylate
01/1988
01/28/1988WO1988000607A1 Dye composition and method of use thereof for coloring thermoplastic articles
01/27/1988EP0254681A2 Stuff compositions based on idanthrone blue pigments
01/27/1988EP0253933A1 A process for the preparation of a water soluble direct green polyazo dyestuffs mixture in situ and water soluble direct green polyazo dyestuffs mixture obtained thereby
01/27/1988EP0253932A1 A water soluble direct black polyazo dyestuffs mixture
01/27/1988CN87104436A Improvement in or relating to organic compounds
01/26/1988US4721531 Pigment with glycol
01/21/1988DE3623335A1 Green mixed-crystal pigments of the quinacridonequinone series, processes for their preparation and their use
01/21/1988DE3623297A1 Addition compounds, process for their preparation, and their use
01/20/1988EP0253276A2 Pigments of the quinacridonequinone group, their preparation process and their use
01/20/1988EP0253272A2 Addition compounds, process for their preparation and their application
01/20/1988EP0253169A2 Pigments, photoconductive elements sensitive to infrared radiation and a method of making
01/19/1988US4720541 Process for improving the application properties of disazo pigments
01/19/1988US4720514 Pigment concentrates for resins
01/19/1988US4720305 Mixtures of pigments
01/19/1988US4720304 Pigment formulations
01/14/1988WO1988000184A1 Surface active lactams
01/14/1988DE3623296A1 Addition compounds, process for their preparation, and their use
01/14/1988DE3623154A1 Process for the preparation of azo dye solutions
01/13/1988EP0252798A1 Agents for pigment concentrates based on telomers and concentrates containing the same
01/12/1988US4719292 β-modified crystalline red pigment
01/07/1988EP0252002A2 Method for dyeing using a biomass containing indigo or a derivative thereof
01/07/1988EP0250700A2 Dyed inorganic composite particles and process for production thereof
01/05/1988US4717502 Triazine dyes, paper coating
01/05/1988US4717423 2-carboxy-4,4'-bisdimethylaminobenzhydrol lactone, crystal violet lactone and/or fluoran lactones
12/1987
12/29/1987US4715864 Stabilized against reduction of azo dyes
12/23/1987EP0250362A1 Process for the preparation of a mixture of 1-amino-2-chloro-4-hydroxy-anthraquinone and 1-amino-2-bromo-4-hydroxy-anthraquinone
12/23/1987EP0249685A2 Process of making dispersions of polymer encapsulated colorants or pigments
12/22/1987US4714495 2,7-diisopropylnaphthalene
12/15/1987US4713411 Pigment composition and preparation process thereof
12/15/1987US4713310 Thermoplastic polyester, thermoplastic modified polyester graft polymerized with styrene as matrix; thermoplastic styrene polymer as dispersed phase
12/15/1987US4713084 Alginate gel particle inks or dye liquors for imparting color to textiles
12/15/1987US4713083 Alcoholic solution of sulphonic acid-containing copolymer dyed with basic dye
12/15/1987US4713081 Containing ligninsulfonate and ethylene oxide-propylene oxide copolymer
12/08/1987US4711674 Surface treatment with n-(3-alkoxy-2-hydroxypropyl)trialkyl ammonium salt
12/08/1987US4711642 Nonhydrolyzing; storage stability
12/08/1987US4711641 Colorfastness; reproducibility
12/01/1987US4710230 Using polytriazine dispersant
11/1987
11/24/1987US4709021 Copper phthalocyanine pigments
11/24/1987US4708719 Disperse dye composition for use in solvent dyeing
11/24/1987CA1229589A1 Red monoazo sulfonic acid dyestuffs for polyamide
11/19/1987DE3715836A1 Alkali blue toner composition and process for its preparation
11/17/1987US4707161 Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates
11/17/1987CA1229205A1 Process for dyeing or printing polyamide fibres
11/10/1987US4705572 Process for the preparation of pigments of the anthanthrone series
11/10/1987US4705524 Mixtures of water-soluble fiber-reactive dyes and use thereof for dyeing: dioxazine and disazo dyes
11/03/1987US4704165 Phosphate dispersant
10/1987
10/29/1987DE3613066A1 Process for dyeing with vat dyes and mixtures of vat dyes
10/28/1987EP0243304A2 Surface modified pigment compositions
10/28/1987EP0242754A2 Pigment preparations containing an organic pigment, method for their manufacture and their use in colouring thermoplastic materials
10/28/1987CN87100820A Process for dyeing keratinous fibres with 5, 6-dihydroxyindole combined with an iodide and dyeing composition employed
10/28/1987CN87100806A Process for dyeing keratinous fibres with 5, 6-dihydroxyindole and hydrogen penoxide
10/27/1987US4702744 Replacing sodium ions with lithium and/or ammonium ions
10/27/1987US4702743 Liquid dye preparations anionic dyes and polyalkylene-oxy naphthalene derivatives
10/27/1987US4702116 Permanently non-dusting pigment and dye preparations, method for producing them, and measuring device therefor
10/22/1987DE3613255A1 Organic pigment preparations, a process for their preparation, and their use for colouring thermoplastics
10/21/1987EP0242335A1 Mixtures of optical brighteners
10/21/1987EP0242148A2 Method for purification of carotene-containing concentrate
10/21/1987EP0241821A1 Water-soluble yellow monoazo dyestuff mixtures and their use for dyeing carbonamide and/or hydroxy groups containing materials
10/14/1987EP0241419A2 Pigments containing piperidyl groups
10/14/1987EP0240902A2 Process for the manufacture of azo dyes
10/14/1987EP0240597A1 Solvent, ink and coated paper for carbonless copying system
10/13/1987US4699664 Complexing with inorganic pentavalent cation and hydrocolloids
10/13/1987US4699628 Phosgenation of mordant yellow dye and acid green dye
10/13/1987US4699624 Water-soluble vinyl sulfonyl-type reactive monoazo yellow dyestuff mixtures with high color yield
10/08/1987WO1987005924A1 Dispersions of solids in organic liquids
10/08/1987DE3710570A1 Pigment mixtures of bisazomethine nickel complexes
10/07/1987EP0240465A2 Dye mixtures
10/07/1987EP0240461A1 Mixtures of optical brighteners
10/07/1987EP0239949A2 Process for the manufacture of powdery finely divided preparations of carotenoids
10/06/1987US4698151 To prepare recording ink; chromatographic means
10/06/1987US4698099 Pigment composition
09/1987
09/30/1987EP0239086A2 Process for the manufacture of finely divided, water dispersible preparations of carotenoids
09/23/1987EP0238446A1 Mixtures of optical brighteners
09/23/1987EP0237586A1 Aqueous liquid dye composition
09/22/1987US4695406 Anthraquinone compounds and the production and use thereof
09/22/1987CA1227034A1 Transfer recording method
09/15/1987US4694078 Production of pigmentary copper phthalocyanine
09/15/1987US4693892 Lightfast
09/15/1987US4693753 Pigments of the quinacridonequinone series, process for their preparation and their use
09/15/1987US4693727 Process for dyeing synthetic polyamide materials with fibre-reactive anthraquinone dyes
09/15/1987US4693725 Aqueous liquid dye composition containing bifunctional reactive dye having both monohalogenotriazinyl and vinyl sulfonyl fiber reactive groups
09/09/1987EP0236101A2 Dye compositions for live bait
09/09/1987EP0235901A1 Solutions and their use in carbonless paper