| 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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| 02/10/1981 | US4250079 Process for the manufacture of a perylene-3,4,9,10-tetracarboxylic dianhydride pigment with improved properties |
| 02/10/1981 | US4249902 Dyestuff formulations |
| 02/03/1981 | US4248777 Process for preparing Acid Red 151 |
| 02/03/1981 | US4248776 Black dye for leather, natural and polyamide fibers |
| 02/03/1981 | US4248765 Surface polymerization on pigments for improved dispersibility |
| 02/03/1981 | CA1094857A1 Stabilized photochromic materials |
| 02/03/1981 | CA1094757A1 Pigment composition |
| 01/28/1981 | EP0023191A1 Modification of perylene-tetracarboxylic acid bis (3,5-dimethylphenyl) imide, its preparation and use in pigmentation |
| 01/28/1981 | EP0023028A1 Mixtures of optical brighteners and their use |
| 01/28/1981 | EP0023027A1 Mixtures of optical brighteners, their preparation and their use |
| 01/28/1981 | EP0023026A1 Mixtures of optical brighteners and their use |
| 01/28/1981 | EP0022981A1 Dyestuff mixtures of the azo-aminopyridine series |
| 01/27/1981 | US4247695 Process for preparation of quinacridone pigments using moderately concentrated acid |
| 01/27/1981 | US4247470 With water immiscible solvent |
| 01/27/1981 | US4247337 Copper phthalocyanine derivatives |
| 01/27/1981 | CA1094262A1 Brightening compositions |
| 01/21/1981 | EP0022746A1 Pigment compositions, a process for the colouration of paints, printing inks and bulk polymers with these pigment compositions and paints, printing inks and bulk polymers coloured by this process |
| 01/21/1981 | EP0022489A1 Pulverulent dyestuff preparation |
| 01/20/1981 | US4246040 Reacting basic polyaluminum salt with an acid in presence of powder |
| 01/20/1981 | US4245995 By complexing with an amine |
| 01/20/1981 | US4245993 Highly concentrated, stable, free-flowing aqueous dispersions of diazotizable aromatic amines bearing electrophilic substituents |
| 01/20/1981 | US4245991 Disperse dye in glycerol or ethylene glycol |
| 01/20/1981 | US4245990 Process for producing solutions of salts of water-soluble carboxylic acids of cationic dyes or optical brighteners |
| 01/13/1981 | US4244863 From a mixture of carboxyl group containing polymers, and free of non-ionic surfactants |
| 01/13/1981 | CA1093730A1 Pigment concentrates |
| 01/13/1981 | CA1093441A1 Indicator compositions |
| 01/07/1981 | EP0022066A1 A liquid quinophtalone dyestuff composition, a process for its preparation and a method of dyeing cellulosic material |
| 01/07/1981 | EP0021619A1 A method of making concentrated aqueous solutions of dyes and these solutions |
| 01/07/1981 | EP0020922A1 Process for increasing the stability of oxidation-sensitive organic additives, especially of fluorescence dyestuffs, in radically polymerizable systems, such as casting masses or casting resins |
| 01/07/1981 | EP0020812A1 Use of water-soluble compounds, obtained by addition of ethylene and/or propylene oxide to modified natural resins, as compounding agents for dyestuffs |
| 01/06/1981 | US4243430 Latex copolymer |
| 12/30/1980 | US4242429 Method of stabilizing organic substrate materials against light |
| 12/30/1980 | US4242094 Dyeing preparations and their use for preparing developing dyes |
| 12/23/1980 | US4240793 Heating in cyclohexanone |
| 12/23/1980 | CA1092262A1 Pigment dispersion for use in hydrophilic and hydrophobic media |
| 12/16/1980 | US4239886 Salts of N-acylaminohydroxynaphthalenesulphonic acids |
| 12/16/1980 | US4239685 Water-insoluble crystallizing solvent |
| 12/16/1980 | US4239549 Alkylarylsulfonic acids |
| 12/10/1980 | EP0020306A2 Process for manufacturing copper phthalocyanine-blue pigment compositions |
| 12/10/1980 | EP0019831A1 Colour-stable crystallographic modification of a monoazo dyestuff, its preparation and its use in dyeing fibrous materials |
| 12/02/1980 | US4236933 Adding a blue copper phthalocyanine dye complexed with n-alkyltriammonium chloride |
| 11/26/1980 | EP0019577A1 Highly concentrated dye solutions, their preparation and utilisation, and dye preparations made therefrom |
| 11/26/1980 | EP0019151A1 Use of phenol-isobutyraldehyde-polycondensation products as laking agents for basic colorants |
| 11/25/1980 | US4235597 Optical brighteners |
| 11/25/1980 | US4235596 Process for the pad-dyeing and printing of textile material made from mixed fibres of cellulose and polyester |
| 11/25/1980 | CA1090055A1 Liquid compositions of fiber-reactive azo dyes |
| 11/25/1980 | CA1090054A1 Reactive dyeing system and xylylene diphosphonic acid dyes |
| 11/12/1980 | EP0018947A2 Dyeing composition and processes for dyeing fabrics made of polyester or a polyester blend with cotton or wool |
| 11/11/1980 | US4233026 Water insoluble dye and nonionic surfactant |
| 11/11/1980 | CA1089450A1 Treatment of phthalocyanine pigments |
| 11/04/1980 | US4231918 Thioindigo or dioxazine pigment and dye |
| 11/04/1980 | CA1088925A1 Process for preparing an alpha or beta form copper phthalocyanine pigment |
| 11/04/1980 | CA1088924A1 Modification of dry ground phthalocyanine pigment with aqueous nonionic surfactant |
| 11/04/1980 | CA1088703A1 Pigment composition |
| 10/29/1980 | EP0018146A1 Pigments having polymeric amine metallate coatings, process for their preparation and surface coating composition containing these coated pigments |
| 10/29/1980 | EP0018099A2 Pigment dispersants, pigment concentrates, and their use in aqueous coating compositions and printing inks |
| 10/29/1980 | EP0018008A2 Process for the production of glazing-pigment forms of 4,4',7,7'-tetrachlorothio indigo |
| 10/28/1980 | US4230858 Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manufacture and its use |
| 10/28/1980 | US4230855 Method of preparation of improved nigrosine and indulino dyes |
| 10/28/1980 | US4230812 Pigment preparations |
| 10/28/1980 | US4230501 Pigments dispersible in plastics |
| 10/28/1980 | CA1088258A1 Stable concentrated liquid preparation of a paper dye of the disazo class |
| 10/28/1980 | CA1088257A1 Stable concentrated liquid preparation of paper dyes of the disazo class |
| 10/28/1980 | CA1088256A1 Stable concentrated liquid preparation of a paper dye of the copper phthalocyanine class |
| 10/28/1980 | CA1088255A1 Pigment compositions |
| 10/21/1980 | US4229178 Dye compositions |
| 10/21/1980 | US4229177 Dye compositions |
| 10/21/1980 | US4229171 Phthalocyanine and azo dyes |
| 10/21/1980 | CA1088054A1 Copper phthalocyanine derivatives |
| 10/21/1980 | CA1087958A1 Process for the preparation of concentrated suspensions |
| 10/15/1980 | EP0017189A1 Watersoluble oxalkylated products, process for their preparation and their use |
| 10/15/1980 | EP0017114A2 Process for the preparation of concentrated solutions of 1:2 complex metal dyestuffs and their use in dyeing and printing natural and synthetic polyamides |
| 10/15/1980 | EP0016933A1 Process for dyeing and printing with sulphur dyes and for preparing sulphur dye preparations ready for use, and sulphur dye preparations prepared accordinlgy |
| 10/14/1980 | US4227936 Process for the production of readily dispersible pigment preparations |
| 10/14/1980 | US4227880 Process for the production of dustfree granules of dyes and optical brighteners |
| 10/14/1980 | US4227879 Isolating the diazonium salt of p-(p-aminophenyl)azo benzenesulfonic acid and coupling with 6-amino-1-naphthol-3-sulfonic acid |
| 10/07/1980 | US4226760 Colored rigid thermoplastic resin compositions and a process for their production |
| 10/07/1980 | US4226637 Dispersing of pigments |
| 10/07/1980 | US4226634 Process for preparing pigment compositions |
| 10/07/1980 | US4226596 Monoazo dyes, nonionic surfactants, pastes |
| 10/01/1980 | EP0016733A1 Aqueous dispersion paints containing as white pigment only a urea-formaldehyde-condensation polymer |
| 10/01/1980 | EP0016642A1 Dye and dyebath compositions and process for dyeing |
| 10/01/1980 | EP0016334A1 Concentrated, alkalihydroxide-containing solutions of water-insoluble coupling components and their use in ice colour dyeing |
| 09/30/1980 | US4225432 Efficiency of ultrafiltration purification of solutions of polymeric colorants by inorganic base addition |
| 09/30/1980 | US4225368 Smoke-generating |
| 09/30/1980 | US4225311 Dye composition containing a copolymer of ethylene oxide and propylene oxide as nonionic surfactant |
| 09/30/1980 | CA1086574A1 Method of preparing coated pigment particles and the product produced thereby |
| 09/23/1980 | US4224222 Process for preparing copper phthalocyanine pigments of the α-modification |
| 09/23/1980 | US4224221 Modifier composition for azo pigments based on 2-hydroxy-3-naphthoic acid |
| 09/23/1980 | CA1086312A1 Stabilised phthalocyanines |
| 09/17/1980 | EP0015563A1 Process for preparing deep-dyeing brilliant and transparent pigmentary forms of bromisoviolanthrone |
| 09/17/1980 | EP0015557A1 Aqueous dispersions of primary aromatic amines and their use in producing water-insoluble azodyestuffs on the fibre and the use of an anionic tenside to produce these dispersions |
| 09/17/1980 | EP0015464A2 Process for producing powders or granules of dyes |
| 09/16/1980 | US4223152 Process for purifying crude isoindolinone series pigments |
| 09/16/1980 | US4222947 Anthrachinone dyestuffs |
| 09/16/1980 | US4222788 Mixed pigment and process of preparing the same |
| 09/09/1980 | US4221606 Metal salt of anionic surfactant, high gloss |
| 09/09/1980 | US4221566 Dye compositions containing a combination of dye assistants which includes a mixture of lower alkyl esters of aromatic carboxylic acids |
| 09/09/1980 | US4221562 Quaternary ammonium substituted, with glutaraldehyde or glyoxal, for printing cellulose |
| 09/09/1980 | CA1085527A1 Fixing pigments on materials in fibre or sheet-like form |