| 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) |
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| 01/26/1999 | US5863459 Adding 3,3'-dichlorobenzidine to hydrochloric acid and sodium nitrite, dissolving a coupler in sodium hydroxide, reacting with dichoorobenzidine solution to form intermediate, filtering, washing, drying, slurrying in a solvent, heating |
| 01/24/1999 | CA2243873A1 Optical fingerprinting of plastics compositions |
| 01/21/1999 | WO1999002124A2 Direct hair dye compositions and methods containing novel anthraquinone mixtures |
| 01/21/1999 | DE19726651C1 Natural dyestuffs |
| 01/20/1999 | EP0892018A1 Reactive extrusion of latent pigments |
| 01/20/1999 | EP0891403A1 Lcp blends |
| 01/20/1999 | EP0891397A1 Effect coatings with colour impression depending on viewing angle |
| 01/20/1999 | EP0891182A1 An enzyme for dyeing keratinous fibres |
| 01/20/1999 | EP0760837B1 Effect lacquer and lacquering, in particular for car bodies, involving the use of liquid crystal interference pigments |
| 01/20/1999 | CN1205730A Method of prepn. of inks |
| 01/20/1999 | CN1205351A Pigment for shielding of ultraviolet radiation |
| 01/14/1999 | WO1999001516A1 Pigment preparations for the ink-jet printing |
| 01/14/1999 | WO1999001513A1 Composition |
| 01/14/1999 | WO1999001512A1 Pigment dispersions containing c.i. pigment red 222 |
| 01/14/1999 | WO1999001511A1 Method for producing fine pigment dispersions |
| 01/14/1999 | WO1999001231A1 Method for the coating or encapsulation of fluidisable substrates |
| 01/13/1999 | EP0889938A1 Food grade jet inks |
| 01/13/1999 | EP0889934A1 Stable dye compositions |
| 01/13/1999 | EP0889883A1 Triazine derivatives as fixers in colouring and as cross-linking agents |
| 01/13/1999 | CN1205025A Jet ink and process for preparing dispersion of colored fine particles for jet ink |
| 01/13/1999 | CN1205023A Modified nacreous lustre pigments for water paint system |
| 01/12/1999 | US5859242 Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form |
| 01/12/1999 | US5859237 Catalytic cyclization of phthalic anhydride and urea; wetmilling; desolventizing |
| 01/12/1999 | US5858628 Black thermal transfer sheet |
| 01/12/1999 | US5858586 Digital information recording media and method of using same |
| 01/07/1999 | EP0889099A2 Pigment for shielding of ultraviolet radiation |
| 01/07/1999 | EP0888411A1 Colouring agent |
| 01/07/1999 | EP0888410A1 Modified nacreous lustre pigments for water paint systems |
| 01/07/1999 | EP0888409A1 Dye mixtures containing thienyl and/or thiazolazo dyes |
| 01/07/1999 | EP0888407A1 Azo compound |
| 01/07/1999 | EP0888406A1 Azo compounds |
| 01/07/1999 | EP0888328A1 Chiral compounds and their use as doping agents in liquid crystals |
| 01/07/1999 | EP0804512B1 Coloured aluminium pigments, process for producing them and their use |
| 01/07/1999 | EP0491854B1 Colored metallic pigments |
| 01/07/1999 | DE19727766A1 Pigment preparation for ink jet printing |
| 01/06/1999 | CN1203914A Triazinylaminostilbene compounds |
| 01/05/1999 | US5856488 Oxidizing a premilled 6,13-dihydroquinacridone |
| 01/05/1999 | US5856472 Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and their use |
| 01/05/1999 | US5856471 Phthalocyanine pigment for electrophotographic photoreceptors |
| 01/05/1999 | US5856370 Nitrogen dispersed in the polymer and at least one azo compound as initiator and blowing agent |
| 01/05/1999 | US5855662 Aqueous pigment preparations |
| 01/05/1999 | US5855655 Colorant stabilizers |
| 12/30/1998 | WO1998059009A1 Color-stable monoazo colorant, its production and use |
| 12/30/1998 | EP0887398A1 Mixture containing pigments with chiral liquid crystal structure and their use |
| 12/30/1998 | CN1203615A Laccases with improved dyeing properties |
| 12/30/1998 | CN1203538A Phosphate esters polyalkylene ether block copolymers and their use as dispersants |
| 12/29/1998 | US5854323 Pigment dispersing agent, composition containing the same, and aqueous pigment dispersion |
| 12/29/1998 | US5854321 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 12/29/1998 | US5854191 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 12/29/1998 | US5853432 Dye mixtures comprising methine and anthraquinone dyes |
| 12/24/1998 | DE19726425A1 Färbestabiler Monoazofarbstoff, dessen Herstellung und Verwendung Färbestabiler monoazo dye, its preparation and use |
| 12/24/1998 | DE19726264A1 Preparation of homogeneous, stable, water-free formulation(s) |
| 12/24/1998 | DE19725946A1 Dye mixture giving luminous colour with high contrast for signal or warning clothing |
| 12/23/1998 | WO1998058027A1 Pigmented porous material |
| 12/23/1998 | WO1998058026A1 Pigmentary azo composition, preparation method and use |
| 12/23/1998 | EP0885936A2 Mixtures of dyes |
| 12/23/1998 | EP0885264A1 Method of producing pigments |
| 12/23/1998 | CA2286677A1 Pigmented porous material |
| 12/23/1998 | CA2275778A1 Pigmentary azo composition, preparation method and use |
| 12/22/1998 | US5852179 Preparation of disperse azo dyestuffs in the presence of alkoxylated acetylenic diols |
| 12/22/1998 | US5852073 Erasable ink composition containing a polymer-encapsulated colorant obtained by polymerizing monomer in the presence of solid colorant particles |
| 12/22/1998 | US5851604 Interference pigments comprising molecules fixed in a cholesteric configuration, and use thereof |
| 12/22/1998 | US5851279 Copper phthalocyanine pigment |
| 12/17/1998 | WO1998056859A1 Colorant blends containing a salt-forming azo pigment and a 1,4-diketo-3, 6-diarylpyrrolo(3,4-c)pyrolle |
| 12/17/1998 | WO1998056754A1 Cosmetic composition comprising an amide and novel amides |
| 12/16/1998 | EP0884367A2 Cationic diphenylamine dyestuffs and their anhydrobases |
| 12/16/1998 | EP0884312A1 Triazinylaminostilbene compounds |
| 12/16/1998 | CN1202193A Water-based pigmented inks |
| 12/15/1998 | US5849887 Mixtures of reactive dyes and their use |
| 12/13/1998 | CA2240307A1 Yellow pigment blend for hot melt traffic markings |
| 12/10/1998 | WO1998055628A2 Dna sequences, expression of said dna sequences, thermopile laccases coded by said dna sequences and the use thereof |
| 12/10/1998 | WO1998055290A1 Dye composition for optical recording media having selected anions |
| 12/10/1998 | DE19724039A1 DNS-Sequenzen, Expression dieser DNS-Sequenzen, durch die DNS-Sequenzen kodierte thermophile Laccasen sowie deren Verwendung DNA sequences, expression of these DNA sequences encoded by the DNA sequences and their use thermophilic laccases |
| 12/10/1998 | CA2292723A1 Dna sequences, expression of said dna sequences, thermopile laccases coded by said dna sequences and the use thereof |
| 12/09/1998 | EP0882772A1 Pigment compositions |
| 12/09/1998 | EP0582699B1 Pigment composition |
| 12/09/1998 | CN1201059A Method for grinding colorant |
| 12/09/1998 | CN1201055A Beta-quinacridone pigment |
| 12/08/1998 | US5847113 Preparation of sulfo-containing copper phthalocyanine dyes |
| 12/08/1998 | US5847065 Dispersions of graft copolymers of unsaturated monomers and sugars |
| 12/08/1998 | US5847028 Pigment dispersion and offset printing ink composition using the same |
| 12/03/1998 | DE19821665A1 Composite pigment with good fastness to colour bleeding |
| 12/02/1998 | EP0881268A1 Fiber-reactive triphendioxazine dyes, process for their preparation and the use thereof |
| 12/02/1998 | EP0880570A1 Cholesteric flakes |
| 12/02/1998 | EP0880562A1 Treatment of deagglomerated particles with plasma-activated species |
| 12/02/1998 | EP0880560A1 N,n'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigments suitable for water-based paints |
| 12/02/1998 | EP0880559A1 Fibre-reactive dyestuffs |
| 12/02/1998 | EP0759958B1 Pigment concentrate |
| 12/01/1998 | US5843220 Process for the preparation of a pigment composition |
| 12/01/1998 | US5843193 Hair dye compositions and process |
| 11/26/1998 | WO1998053133A1 Blended dyes and process for dyeing polypropylene fibers |
| 11/26/1998 | CA2290548A1 Blended dyes and process for dyeing polypropylene fibers |
| 11/25/1998 | EP0879804A1 Improved black appearing color coating for optical fiber |
| 11/25/1998 | EP0879266A2 Pigments admixed with lubricating agents |
| 11/25/1998 | CN1199761A High performance ink compositions |
| 11/25/1998 | CN1199760A Production process |
| 11/25/1998 | CN1199572A Use of carotenoids as stabilizer of color of riboflavin and riboflavin derivatives |
| 11/24/1998 | US5840901 Oxidation process for preparing quinacridone pigments |
| 11/24/1998 | US5840106 Water-based pigmented inks |
| 11/19/1998 | WO1998051712A1 Chitin beads, chitosan beads, processes for producing these beads, carriers made of these beads and processes for producing microsprodidian spores |