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)
03/1990
03/21/1990EP0358810A1 Monoazo lake pigment
03/21/1990CN1040642A Dye compositions for dyeing denim cotton yarn and dyeing process and dyed articles using same
03/20/1990US4909853 Containing surfactant, wet comminuting, drying
03/15/1990DE3930473A1 Faerbemittel fuer keratinische fasern, die prekursoren von oxidationsfarbstoffen und indol-kuppler enthalten, sowie faerbeverfahren unter verwendung dieser mittel Stains for keratin fibers, the oxidation dye precursors and couplers indole-containing medium and staining procedures under this use
03/14/1990EP0358550A2 Process for the preparation of aliphatic alpha-, omega-diamines, new compounds and their use in hair dying
03/14/1990EP0358148A2 Solid solutions of azomethine pigments
03/14/1990EP0357780A1 Optical head
03/13/1990US4908042 Dyeing or printing high molecular weight polyester
03/13/1990US4908041 Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye
03/07/1990EP0357560A2 Anionic triazinylamino-disazo dyes
03/07/1990EP0356851A2 Process for the preparation of solutions of 1:2-chromium complex azo dyes
03/06/1990US4906735 Process for the manufacture of a monoazo acetoacetylaminobenzimidazolone
02/1990
02/28/1990EP0356390A2 Pigmented thermoplastic resins
02/28/1990EP0356080A2 Anionic dye
02/27/1990US4904765 Dye mixtures containing an oil-soluble dye and an acid-extractable dye
02/27/1990US4904574 Including metal complex
02/27/1990US4904275 Oxidizer
02/20/1990US4902689 Insecticidal 1,2,3,4-tetrahydro-5-nitro-pyrimidine derivatives
02/14/1990EP0354872A2 Trisazo dyes and process for dyeing paper
02/06/1990CA1265514A1 Amine salts of lignosulfonates
02/06/1990CA1265513A1 Humectant composition derived from kraft black liquor
02/06/1990CA1265415A1 Dispersant salts
01/1990
01/31/1990EP0352489A2 Use of 2,6-dinitrophenol derivatives in hair dyeing compositions
01/31/1990EP0207967B1 Dispersant salts
01/30/1990CA1265128A1 Insoluble pigments and preparation thereof
01/30/1990CA1265127A1 Insoluble pigments and preparation thereof
01/30/1990CA1265126A1 Insoluble pigments and preparation thereof
01/30/1990CA1264978A1 Dual layer photoreceptor for use in electrophotography
01/24/1990EP0352229A2 Process for dyeing paper
01/23/1990US4895949 Process for preparation of quinacridone solid solutions
01/23/1990US4895948 Process for preparation of opaque quinacridones
01/17/1990EP0351176A2 Low gravity enhanced growth of phthalocyanine polymorphs
01/17/1990EP0350687A2 Process for the conversion of a raw copper phthalocyanine into a pigmentary form
01/16/1990US4894094 Disazo compounds and formulations containing same
01/16/1990US4894065 Method for producing wool dyeings of improved levelness and dye mixtures useful therefor: parameters for combination capacity and compensation of variable affinity for wool from root to tip of fiber
01/10/1990EP0349848A2 Triphene dioxazine dyes
01/09/1990US4892899 Novel compositions based on tetrachloroisoindolinone pigments
01/09/1990US4892588 Hydroxymethylation, sulfonation, dispersants for dyes
01/03/1990EP0348889A2 Photoconductive material and process for producing the same
01/03/1990EP0348776A2 Surfactant compounds based on hydroxynaphthoic acid esters, their preparation and application
01/03/1990EP0348775A2 Pasty preparations of pigments, their manufacturing process and their use
01/03/1990EP0348519A1 Liquid crystal composition and display element using same
01/02/1990US4891153 Cyanostilbene dyes
12/1989
12/27/1989EP0348347A2 Process for the manufacture of solid solutions of quinacridones
12/27/1989EP0348346A2 Process for the manufacture of opaque quinacridones
12/27/1989EP0348050A1 Colorant for printing
12/27/1989EP0347685A2 Mixtures of blue azo disperse dyes
12/26/1989US4889655 For polyesters
12/26/1989US4889633 Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids
12/26/1989US4889562 Color strength
12/20/1989EP0347183A2 Dye solution and process for the preparation of information recording medium
12/20/1989EP0346715A1 Multiple component mixtures of disperse blue azo dyes for dyeing synthetic fibres
12/19/1989US4888422 Process for producing dimethylaminomethyl copper phthalocyanine and/or its derivatives
12/19/1989US4888028 Water-soluble blue dye mixture and dyeing method: anthraquinone reactive dye and formazan reactive dye
12/14/1989WO1989012074A1 Flushed pigment and a method for making the same
12/13/1989EP0346277A1 Mixtures of dicyanbenzathrone compounds
12/13/1989EP0346064A2 Pigment dispersing agent and offset printing ink composition employing the same
12/13/1989EP0345765A1 Process for the manufacture of granulates
12/12/1989US4886549 Accelerators
12/12/1989US4886517 Good water solubility
12/12/1989CA1263861A1 Production of pigmentary copper phthalocyanine
12/05/1989US4885033 Pigment compositions based on acetoacetarylide derivatives
11/1989
11/29/1989EP0344106A2 Disperse blue dyes and mixtures of disperse blue dyes
11/29/1989EP0343925A2 Dye compositions for dyeing denim cotton yarns and dyeing process and dyed articles using same
11/29/1989EP0343796A2 Pigment dispersions
11/29/1989EP0343262A1 Fibre-reactive azo dyes, process for their preparation and their use for dyeing hydroxy- and/or carboxamide groups containing fibre-material
11/28/1989US4883603 Fluid flow through a funnel shaped vessel with parallel plates
11/21/1989US4882427 Titanium phthalocyanine optical semiconductor material and electrophotographic plate using same
11/21/1989US4882225 Polysiloxane or silicon coating
11/21/1989US4881980 Acridones incorporated in crystal lattice
11/21/1989CA1263198A1 Process for the preparation of densely colored pellet for synthetic resins
11/21/1989CA1263001A1 Process for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes
11/15/1989EP0341877A2 Thermal dye transfer materials
11/15/1989EP0341593A2 Modified block polymers, their preparation and use
11/15/1989EP0341325A1 Process for the manufacture of liquid preparations of basic azodyes
11/15/1989EP0341324A1 Process for the manufacture of colour stable solutions of azo dyes
11/14/1989US4880472 Organic pigments coated with metal oxides
11/08/1989EP0341206A1 Fiber reactive formazane dyes
11/08/1989EP0341054A1 Process for preparing inks
11/08/1989EP0340792A2 Purification of C.I. solvent black 3
11/08/1989EP0340583A2 Aqueous dispersions with a synergistic combination of dispersing agents
11/08/1989CN1036975A Photoactivator dye composition for detergent use
11/08/1989CN1005738B Process for printing cellulosic fibres
11/07/1989US4879380 High shear mixing
11/07/1989US4879199 Pigment and resin in waxy shell
11/07/1989US4879175 Device for exposing colorant to be transferred
11/07/1989US4879174 Device for exposing colorant to be transferred
11/07/1989CA1262723A1 Trisazo black dyes
11/02/1989WO1989010385A1 Azo pigment composition having improved process heat stability and dried ink transparency
11/02/1989EP0339556A2 9-Oxo-1,9a-10-triaza-9-hydroanthracene compounds, their preparation process and their use as dyestuffs
11/01/1989CN1036783A Preparation method and painting technique of oily color for chinese painting
10/1989
10/31/1989US4877412 Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical
10/24/1989US4876333 β-crystalline modification of diasazo acid dyestuff
10/24/1989US4875903 Monoazo compounds containing a 2-sulfophenyl diazo component radical and a 1-hydroxy-naphthalene-sulfonic or disulfonic acid coupling component radical and two substituted 1,3,5-triazine rings
10/19/1989DE3839294A1 Colour paste for paints
10/18/1989EP0337951A2 Multicoloured polymer microparticle
10/18/1989EP0337853A1 Procedure of the preversation of the dyeing ability of 5,6-dihydroxy-indole and its derivatives in an aqueous milieu, composition and procedure of dyeing
10/18/1989EP0337476A2 New phthalocyanine crystal, process for manufacture thereof and its use for electrophotographic photosensitive material
10/18/1989EP0337435A2 Process for the manufacture of covering diketopyrrolopyrrole pigments
10/17/1989US4874848 Asymmetrical polyazo chromium complex dyes comprising resorcinol as a coupling component