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)
02/1998
02/25/1998EP0825232A2 Mixtures of 1 : 2 metal complex dyes bearing sulfo groups and vinyl polymers
02/25/1998EP0825229A1 Polyurethane based thickening compositions and its use to thicken aqueous systems
02/25/1998EP0825196A2 Enzyme-treated hesperidin, process for producing the same and method of using enzyme-treated hesperidin
02/24/1998US5721287 Radiating in presence of transorber
02/24/1998US5720779 Anthraquinone reactive dye compositions and methods for dyeing or printing using the same
02/22/1998CA2213440A1 Novel crystal modification of a diketopyrrolopyrrole pigment
02/19/1998WO1997046541A3 Use of triazine-based uvas for use as quenchers in paper-making processes
02/19/1998CA2213030A1 Polyurethane-based thickener compositions and their use for thickening aqueous compositions
02/18/1998EP0823921A1 Graft polymers made of alkylene oxide units-containing polymers and ethylenically unsaturated compounds, process for preparing the same and their use
02/18/1998CN1173520A Process for preparation of highly coloured diazo pigment mixtures
02/17/1998US5718754 Adsorbed on surface or mixture with coding chromophore
02/17/1998US5718753 Metal core overcoated with uniform organic pigment
02/12/1998WO1998005717A1 1:2 iron azo-dyestuff complexes
02/11/1998EP0823505A1 Process for trichromic dyeing or printing
02/11/1998EP0823459A2 Disazo pigment composition and printing ink
02/10/1998US5716855 Fluorescent latex containing at least two fluorochromes, process for producing it and application thereof
02/10/1998US5716446 Printing ink; toners; powder coating
02/10/1998US5716445 Pigment
02/05/1998WO1998004637A1 A method for making coated pigment particles
02/05/1998CA2261780A1 A method for making coated pigment particles
02/04/1998EP0822238A2 Two component dispersant for wet milling process
02/04/1998EP0822235A2 Process for the manufacture of disazo pigment mixtures with a high tinctorial power
02/04/1998EP0689507B1 Ink ribbons containing compounds absorbing in the ir region
02/04/1998CN1172491A Granular leuco vat-dye preparations
02/04/1998CN1172439A Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on amides
02/04/1998CN1172133A Method for preparing edible synthetic melanin
02/03/1998US5714526 Dispersing pigment in aqueous medium which is free of volatile organic solvents and consists of dispersing polyamide binder resin formed from dicarboxylic acid, diamine, monoalkanolamine
02/03/1998US5714090 Comprising a cured polyester and/or polyamide homo- or copolymers complexed with a metal compound as matrix; nonbleeding; vinyl plastics; acetone-resistant
02/03/1998US5713999 Incorporation of pigment derivatives in quinacridone processes
01/1998
01/28/1998CN1171417A Process for preparing linear unsubstituted beta-phase quinacridone pigments
01/28/1998CN1171416A Process for preparing quinacridone pigments
01/28/1998CN1171402A Process for preparing diketopyrrolopyrrole derivatives
01/28/1998CN1037187C Purification of indigo
01/27/1998US5711800 Organic pigment compositions
01/21/1998EP0819740A1 Process for producing printing ink
01/21/1998CN1170738A Process for preparing pigment composition pigment composition and its use
01/20/1998US5710197 Methyl methacrylate polymer and fluorescent perylene or coumarin pigments
01/20/1998US5709717 Phthalocyanine reactive dyestuff mixture
01/15/1998WO1998001498A1 Masterbatches and a process for their preparation
01/14/1998EP0818713A2 A process for producing an electrophotographic photoreceptor
01/14/1998EP0818516A2 Aqueous ink with water insoluble dyes
01/13/1998US5708188 Mixed crystals and solid solution of 1,4-diketopyrrolopyrroles
01/13/1998US5708151 Cationic imidazole azo dyes
01/13/1998US5707405 Nigrosine, glycol, pyrrolidone and nonionic solvent
01/12/1998CA2210054A1 Process for trichromatic dyeing or printing
01/08/1998WO1998000465A1 Dye mixtures containing polyazo dyes and ci sulphur black 1 dye
01/08/1998DE19626318A1 Farbstoffmischungen, enthaltend Polyazofarbstoffe Dye mixtures containing polyazo
01/07/1998EP0816440A1 Bismuth-vanadat pigment powder mixtures
01/07/1998EP0815173A1 Colour-fast monoazo dyes, their production and use
01/07/1998EP0815149A1 Aqueous solutions or dispersions of copolymers of monoethylenically unsaturated dicarboxylic acids or their anhydrides and of branched chain oligomers or polymers
01/07/1998EP0814755A1 Polymer dyestuffs and their use for dyeing fibres
01/07/1998EP0764291B1 Electrophotographic toner
01/07/1998CN1169714A Butanedioic acid derivative and their use as surfactants
01/06/1998US5704951 Mixtures of blue-dyeing fiber-reactive dyes and their use for dyeing hydroxy-and/or carboxamido-containing fiber material
01/06/1998US5704948 Compositions for dyeing keratinous fibers and keratinous fiber dyeing processes with derivatives of 4-hydroxyindole and oxidation bases
01/02/1998DE19625441A1 Chirale Dotierstoffe für flüssigkristalline Medien Chiral dopants for liquid crystalline media
01/02/1998DE19624702A1 New hydroxy:alkylamino carboxylic acid derivatives
01/02/1998DE19624208A1 Leukoküpenfarbstoff-Präparationen in Granulatform Leuco vat dye preparations in granule form
12/1997
12/31/1997WO1997049694A1 Chiral doping agents for liquid crystalline media
12/31/1997CN1168911A Paint material
12/30/1997US5703229 Method for tagging thermoplastic materials with near infrared fluorophores
12/29/1997EP0814132A2 Interference pigments for effect lacquers, lacquers containing them and lacquerings obtained therewith
12/29/1997EP0814131A1 Reactive aluminiumphthalocyanine dyes, process for their preparation and use thereof
12/24/1997WO1997048770A1 Leuco vat dye preparations in granular form
12/24/1997WO1997048769A1 Colored pigment and aqueous compositions containing same
12/23/1997US5700850 Photostability; colorant and radiation absorber
12/23/1997US5700471 Production of fine particle dye or drug preparations
12/23/1997US5700395 Dispersants
12/18/1997WO1997047690A1 Dye mixtures
12/18/1997DE19623411A1 Farbstoffmischungen Dye mixtures
12/17/1997EP0813110A1 Graphic arts recording film with blue base
12/17/1997EP0812342A1 Method of preparing resin/pigment compositions for printing inks
12/16/1997US5698744 Process for the selective oxidation of compounds
12/16/1997US5698683 Mixed aluminium-heavy metal dyestuff complexes and a process for their preparation
12/16/1997US5698668 Toluene-soluble; multi-step
12/16/1997US5698372 Photosensitive lithographic printing plate
12/16/1997US5698024 Heteroamidomethyl and/or heterothioamidomethyl derivatives; improved rheological properties and dispersibility
12/16/1997US5697985 Process for the preparation storage-stable dye dispersions
12/16/1997US5697984 Consists of metal complex azo dyes; useful for coloring granular and pulverulent substrate and in printing inks
12/11/1997WO1997046623A1 Dye preparations
12/11/1997WO1997046541A2 USE OF TRIAZINE-BASED UVAs FOR USE AS QUENCHERS IN PAPER-MAKING PROCESSES
12/11/1997DE19622485A1 Dye preparations for ink jet printing
12/11/1997CA2252575A1 Use of triazine-based uvas for use as quenchers in paper-making processes
12/10/1997EP0811625A2 Process for preparing diketopyrrolopyrrole derivatives
12/10/1997EP0811041A1 Method of dyeing polyester and polyester-containing textile materials
12/10/1997EP0708798A4 Suspension for use in electrophoretic image display systems
12/10/1997EP0684808B1 Light stable color compositions
12/09/1997US5696242 Polyazo dyes containing the radical of a bis-coupling component, and process for their production
12/09/1997US5695843 Optical recording media
12/09/1997US5695687 Anhydrous fluorescent whitening agent formulation
12/09/1997US5695686 Brightener mixtures based on bisstyryl compounds
12/05/1997CA2206756A1 Process for preparing diketopyrrolopyrrole derivatives
12/04/1997WO1997045494A1 Recording fluids containing copper-phthalocyanine compounds
12/04/1997WO1997045493A1 Pigment compositions
12/04/1997CA2580650A1 Novel aromatic and aliphatic sulfonates and properties and applications thereof
12/03/1997EP0810267A2 Oxytitanium phthalocyanine crystal
12/03/1997EP0810266A2 Black colorant composition exhibiting low flairing
12/03/1997CN1166851A Process for coating and printing substrates
12/02/1997US5693824 Preparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrroles
11/1997
11/26/1997EP0808940A2 Process for trichromic dyeing or printing