| 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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| 05/18/1976 | US3957680 From cresol, sodium sulfite, 2-hydroxynaphthalene and formaldehyde |
| 05/18/1976 | US3957432 Aqueous pituitous color compositions based on poly(ethylene oxide) |
| 05/18/1976 | US3957425 Concentrated acid red 151 dye-surfactant solution of 15 to 25% |
| 05/11/1976 | US3956271 One step |
| 05/11/1976 | US3956270 β-Modified azo dye |
| 05/11/1976 | US3956261 Lignin adducts |
| 05/11/1976 | US3955919 Dyestuff mixtures and process for dyeing polyester fiber therewith |
| 05/04/1976 | US3954864 Concentrated solution of a phosphate of a dyestuff of the Auramine series |
| 05/04/1976 | US3954795 Salt milling using ferric chloride |
| 05/04/1976 | US3954705 Graft copolymers having an acid anhydride copolymer backbone |
| 05/04/1976 | US3954495 Process for the production of pigments useful for waxless carbon paper |
| 05/04/1976 | US3954397 Method for preparing dye solutions |
| 05/04/1976 | US3954395 Mixtures of dyestuffs |
| 04/27/1976 | US3953218 Coating particles with fatty acid amides |
| 04/20/1976 | US3951678 Hydrolyzing in sulfuric acid, ammonium hydroxide, tetramethylammonium hydroxide and amines |
| 04/20/1976 | US3951598 Hydrocarbon solvent, nonionic or amphoteric surfactant |
| 04/13/1976 | US3950288 Alkyd resin, mineral oil, hydrocarbon resin |
| 04/06/1976 | US3948828 Coloring polyesters or polyamides |
| 04/06/1976 | US3948599 Noncaking, readily soluble dyestuff granulates of anionic dyestuffs |
| 04/06/1976 | US3948596 Oxidation dye for keratinic fibers containing 2-halo-5-acetaminophenol as a coupler |
| 03/30/1976 | US3947287 Aqueous pigment dispersions |
| 03/30/1976 | US3947246 Process for producing spotted dyeings with pastes containing water-soluble resin or wax and particulate dyestuff |
| 03/23/1976 | US3945980 Amino resins, emulsification, curing, heating |
| 03/23/1976 | US3945836 Ink composition |
| 03/16/1976 | US3944564 Pigment |
| 03/16/1976 | US3944540 Precipitation of organic dyes and dye intermediates in the presence of finely divided polytetrafluoroethylene |
| 03/09/1976 | US3943063 Preparation of microcapsules |
| 02/24/1976 | US3940399 Process for the production of gamma quinacridone |
| 02/17/1976 | US3939095 Dye-containing microcapsules |
| 02/17/1976 | US3939093 Daylight fluorescent pigments |
| 02/03/1976 | US3936315 Grinding, alkali metal hydroxide |
| 02/03/1976 | US3936266 Trihalo monoazo dyestuffs |
| 01/27/1976 | US3934974 Solution of ethylauramine hydrochloride in thiodiglycol |
| 01/27/1976 | US3934973 Finely divided colorants |
| 01/20/1976 | US3933424 Modified sulfonated resin surfactants |
| 01/13/1976 | US3932454 Process of making hexagonal alpha metal-free phthalocyanine |
| 01/13/1976 | US3932180 Direct alpha to X phase conversion of metal-free phthalocyanine |
| 01/06/1976 | US3931061 Blushed polystyrene pigment |