| 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) |
|---|
| 07/27/1988 | EP0276171A2 Dyeing process for denim cotton yarns making use of a specific dye, and product dyed with the dye |
| 07/26/1988 | US4760144 Milling crude quinacridone in presence of converting system containing lower alcohol or glycol and a base |
| 07/26/1988 | US4759801 Kneading thermoplatic material with a pigment presscake comprising liquid and pigment, heating under vacuum, at the same time removing liquid |
| 07/20/1988 | CN85105802A Low salt solution of fiber reactive dye and its prepn. method |
| 07/19/1988 | US4758665 Process for preparing high-hiding gamma-modification of unsubstituted linear transquinacridone |
| 07/12/1988 | US4756844 Controlled-release composition having a membrane comprising submicron particles |
| 07/06/1988 | EP0273866A2 Compositions of matter based on CI pigment red 177 |
| 07/06/1988 | CN87101269A Spherical fine particulate pigment and process for preparing same |
| 07/05/1988 | US4755229 Micaceous platelets coated with layer comprising hydrous oxide or hydroxide of polyvalent cation, precipitate with anionic polymer, water insoluble colored pigment |
| 06/30/1988 | WO1988004794A1 Solid particle dispersion filter dyes for photographic compositions |
| 06/30/1988 | DE3643462A1 Dye solutions |
| 06/29/1988 | EP0272697A2 Monoazo lake pigment |
| 06/29/1988 | EP0272649A2 Spherical fine particulate pigment and process for preparing the same |
| 06/29/1988 | EP0272509A2 Liquid dispersions of disperse dyes for dyeing textile materials |
| 06/28/1988 | US4754032 Triazinylaminobenzaldehydes |
| 06/28/1988 | US4754020 Acid is ion exchange resin, easy separation |
| 06/28/1988 | US4753658 Elasticity, paints |
| 06/23/1988 | DE3740514A1 Formulations for dyeing leather |
| 06/22/1988 | EP0272216A2 Compositions of matter based on tetrachloroisoindolinone pigments |
| 06/22/1988 | EP0272212A2 Process for continually producing azo or hydrazone dyes |
| 06/22/1988 | EP0271713A2 Method for preparing aqueous solutions containing chromogenic materials |
| 06/21/1988 | US4752301 Method to due cotton and other substrates with a micro-organism biomass containing indigo |
| 06/21/1988 | US4752298 Storage-stable formulations of water-insoluble or sparingly water-soluble dyes with electrolyte-sensitive thickeners: polyacrylic acid |
| 06/15/1988 | EP0271403A2 A process for producing dioxazine violet pigment |
| 06/14/1988 | US4751247 Pesticides |
| 06/14/1988 | US4750938 Lake dye, polymeric colloid; edible coatings |
| 06/14/1988 | US4750912 Exhaust method for dyeing fine-denier polyester fibers in dark shades with disperse dye mixtures |
| 06/14/1988 | US4750909 Voltage organic polar solvent with silica and nonpolar solvent; porous stone substrates |
| 06/09/1988 | DE3641677A1 Aqueous pigment preparations and their use |
| 06/08/1988 | EP0270003A2 Liquid black dyes |
| 06/07/1988 | US4749380 Aqueous liquid sulphato-ethylsulphonyl reactive dye composition containing small amount of buffer for storage stability at high and low temperatures |
| 06/01/1988 | EP0269079A2 Metal-free transparent, finely divided phthalocyanine of the X modification, and its use as a pigment |
| 05/31/1988 | US4748235 Method of producing improved amine salts of lignosulfonates |
| 05/31/1988 | US4747882 Process for the direct production of printing inks |
| 05/24/1988 | US4746739 Pigment dispersants for paints and inks |
| 05/24/1988 | US4746732 Reactive disazo dyes containing halopyrimidyl and sulfonyl groups |
| 05/24/1988 | US4746323 Water-soluble vinyl sulfonyl-type reactive monoazo yellow dyestuffs mixtures with high color yield |
| 05/24/1988 | CA1237228A1 Manufacture of resin extended pigments |
| 05/19/1988 | DE3738062A1 Storage-stable suspension of dyes which are insoluble to sparingly soluble in water |
| 05/18/1988 | EP0267877A2 Process for the manufacture of a red gamma quinacridone with a yellow shade |
| 05/11/1988 | EP0266676A2 Dustfree coloured pigment compositions for synthetic materials, and process to manufacture them |
| 05/10/1988 | US4743269 Process for preparing navy dyeings on polyester fibers using mixture of blue and red azo dyes |
| 05/10/1988 | US4743268 Dispersant composition for azo dyestuffs contaminated with soluble copper impurities |
| 05/05/1988 | WO1988002985A1 Quaternized nitrogen containing compounds |
| 05/04/1988 | EP0266248A1 Coloured pigments based on a mineral oxide of the silica, alumina, titanium oxide or zirconium oxide type, and processes for preparing them |
| 05/04/1988 | EP0266247A1 Coloured pigments, notably magnetic pigments, processes for their preparation and their applications, notably to the preparation of development powders |
| 05/04/1988 | EP0266219A2 Process for producing copper phthalocyanine pigment |
| 05/04/1988 | EP0266164A2 Dye mixtures and optical recording elements containing same |
| 05/04/1988 | EP0265819A2 Process for the manufacture of colour-fast polyhalogenated copper phthalocyanine pigments |
| 05/03/1988 | US4742170 Mix-crystal pigments based on perylenetetracarbimides, process for their preparation, and their use |
| 05/03/1988 | CA1236093A1 Process for producing azo pigments |
| 04/26/1988 | US4740590 Method for preparing low electrolyte sodium lignosulfonates |
| 04/20/1988 | EP0264101A2 Heat stable thermoplastic resin composition |
| 04/20/1988 | EP0264049A1 Process for obtaining granules |
| 04/20/1988 | EP0263951A2 Disazo compounds and compositions containing them |
| 04/19/1988 | CA1235256A1 Permanently non-dusting pigment and dye preparations, process for their manufacture and a measuring device therefor |
| 04/13/1988 | EP0263791A2 Separation and purification of pigment and pigment intermediate suspensions using a membrane technique |
| 04/13/1988 | EP0263460A2 Highly concentrated preparations of dyestuffs, process to manufacture them and their use in dyeing synthetic thermoplastic materials |
| 04/13/1988 | CN86105257A Removing and recovering plant polyphenols |
| 04/12/1988 | US4737240 Trisazo black dyes from 2-(4'-aminophenylazo)-7-amino-1-naphthol-3-sulfonic acid |
| 04/06/1988 | EP0263074A2 Mixed crystals of laked azo dyes |
| 04/06/1988 | EP0263063A1 Solid formulations of anionic wool dyes |
| 04/06/1988 | EP0262821A2 Dye preparation for thermal ink-jet printheads using a one step ion exchange process |
| 04/05/1988 | US4736067 New dimethyl derivatives of 3-nitro-4-aminoaniline, process for their preparation and their use for dyeing keratinic fibers |
| 04/05/1988 | US4735984 Polyurea dispersant |
| 03/30/1988 | EP0261637A2 Substantive dyes, inks and dye baths |
| 03/30/1988 | EP0261220A1 Dispersions of solids in organic liquids |
| 03/30/1988 | CN86106303A Using hydroxy-methyl cyanide as cyanating agent in synthesis of dispersive dyestuff contacning cyano-group |
| 03/29/1988 | US4734137 Process for preparation of organic pigments |
| 03/29/1988 | US4734101 Dispersibility, colorfastness |
| 03/23/1988 | EP0261075A2 Process for the preparation of dispersive dyes |
| 03/23/1988 | EP0260923A2 Temperature sensing composition |
| 03/23/1988 | EP0260648A2 Tetrachloroperylene-3,4,9-10-tetracarboxylic acid diimide pigment and its use |
| 03/23/1988 | EP0260563A2 Dye preparations |
| 03/23/1988 | EP0260561A2 Process for dyeing leather with dyestuff mixtures |
| 03/23/1988 | EP0260456A2 Pigment dispersion and its use |
| 03/22/1988 | US4732618 Powdered pigments with improved rheological properties, processes for their preparation and their use with a content of at least 5% of unsubstituted quinacridone |
| 03/22/1988 | US4732572 Amine salts of sulfomethylated lignin |
| 03/17/1988 | DE3729960A1 Method for recipe formulation or tinting (toning) for dyes |
| 03/16/1988 | EP0106104B1 Mixtures of monoazo dyes |
| 03/15/1988 | US4731094 Dye mixtures |
| 03/10/1988 | DE3630577A1 Electrostatic spray-drying method |
| 03/09/1988 | EP0259007A1 Process for producing azo pigment |
| 03/09/1988 | CN85109473B Method of synthesis of 2-nitro-4-acetamidophenyl-beta-methoxyether |
| 03/08/1988 | US4730011 Synthetic resin containing quaternary ammonium groups, its preparation, and pigment paste produced using this resin |
| 03/08/1988 | US4729796 Process for preparing pigment granules from aqueous suspension of pigment and alkaline solution of resin |
| 03/02/1988 | EP0257423A2 Hydrophobic pigments and fillers for incorporation into plastics |
| 03/02/1988 | EP0148892B1 Hydroxyaluminumphthalocyanine having reduced green absorption |
| 03/01/1988 | US4728338 Mixtures of at least one monoazo compound having a 2-cyano 4,6-dinitrophenyl diazo component radical and at least one monoazo compound having a 2-cyano-6-halo-4-nitrophenyl diazo component radical and their use |
| 02/24/1988 | EP0256983A1 Solid solutions of pyrrolo-[3,4-c]pyrroles |
| 02/24/1988 | EP0256650A2 Reactive dyes |
| 02/24/1988 | EP0256460A2 Dye mixtures |
| 02/24/1988 | EP0256456A2 Pigment composition |
| 02/24/1988 | EP0256454A2 Pigment composition |
| 02/24/1988 | EP0256427A2 Pigment dispersions, their preparation process and their use |
| 02/24/1988 | EP0256417A1 New coloured and colourless thin fillerpigment and the method for preparation thereof |
| 02/23/1988 | US4727139 Pigments and photoconductive elements sensitive to infrared radiation |
| 02/23/1988 | US4726955 Preparation of finely divided, pulverulent carotenoid preparations |
| 02/23/1988 | US4726847 Blended with halogenated and sulfonated copper phthalocyanine |
| 02/23/1988 | CA1233173A1 Silane anthraquinone dyes and composite pigments |