| 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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| 08/08/1990 | EP0380778A2 Process for preparing condensates of arylsulphonic acids and formaldehyde, and their use |
| 08/07/1990 | US4946509 Modified with alkalyne oxide polymers; water and solvent based coatings and ink compositions |
| 08/07/1990 | US4946508 Disazo pyrazolone pigment compositions |
| 08/04/1990 | CA2008257A1 Chemically modified proteins |
| 08/01/1990 | EP0379872A1 Method of dyeing synthetic fibre materials |
| 08/01/1990 | EP0379751A1 Method for the production of a pulverulent composition containing dyestuff and/or pigment and products obtained using such a composition |
| 07/31/1990 | US4945121 Thermosetting dyed latex colorant dispersions |
| 07/31/1990 | US4944768 Solid formulation of anionic wool dyes with anionic dispersant and amphoteric surfactant: glycine or betaine |
| 07/25/1990 | CN1044122A Coloring stabilized bleach activator extrudates |
| 07/18/1990 | EP0378510A2 Disperse dyes |
| 07/18/1990 | EP0378509A2 Manufacture of imidomethyl phthalocyanine derivatives |
| 07/18/1990 | EP0378167A1 Disperse dye composition useful for dyeing or printing hydrophobic fiber materials |
| 07/18/1990 | EP0378153A2 Electrophotographic photoreceptor |
| 07/17/1990 | US4941887 Immersion of yarns, squeezing, oxidation |
| 07/17/1990 | CA1271876A1 Aqueous lake pigment suspension |
| 07/12/1990 | WO1990007436A1 Cover for mirrors of sun visors of motor vehicles |
| 07/12/1990 | DE3942938A1 Disazo-dispersionsfarbstoffe Disazo disperse dyes |
| 07/10/1990 | US4940492 Colorant mixtures containing isoquinoline derivatives, use thereof in printing inks, and novel isoquinoline derivatives |
| 07/10/1990 | US4940469 Low-foaming composition for finishing synthetic fibres: dye or optical brightener or ultra-violet absorber and alkylene-diamide:ethylene-distearamide |
| 07/04/1990 | EP0376158A1 Mixed-crystal pigments of the anthanthrone series, methods for their preparation and their use |
| 07/04/1990 | EP0376086A2 Mixtures of disperse azo dyes |
| 06/30/1990 | WO1990007558A1 Production of blacking material and application thereof |
| 06/28/1990 | DE3842907A1 Storage-stable solutions of anionic dyes |
| 06/27/1990 | EP0375241A2 Coloring stabilized bleach activator extrudates |
| 06/26/1990 | US4937338 Reaction product of cationic dye and heteropolyacid; optical recording media |
| 06/26/1990 | US4937325 Process for dyeing and printing synthetic fibers with mixtures of monoazo dyestuffs |
| 06/26/1990 | US4937014 Polylactone, aliphatic diamine and salt of diamine |
| 06/26/1990 | CA1270850A1 Solid composition for dispersion in an organic medium |
| 06/21/1990 | DE3842054A1 Dye preparations |
| 06/20/1990 | EP0373696A2 Liquid fabric softener |
| 06/20/1990 | EP0373525A2 Crystalline form of a dye and a process for preparing the same |
| 06/20/1990 | EP0373416A2 Mixture of 3,1-benzooxazines and fluoranes |
| 06/19/1990 | US4935501 Reactive dyes containing fluoro-chloro-pyrimidyl groups and vinylsulfonyl groups or the like |
| 06/19/1990 | US4934009 Stabilized aqueous liquid composition of fiber-reactive azo dye: mixture with vinyl-sulphonyl and beta-sulphato ethyl-sulphonyl substituents for low temperature stability |
| 06/19/1990 | CA1270353A1 Stabilized natural pigment complexes |
| 06/15/1990 | CA2003858A1 Liquid fabric softener |
| 06/14/1990 | CA2003989A1 Preparation of condensates of arenesulfonic acids and formaldehyde and use thereof |
| 06/13/1990 | EP0373119A1 Process and apparatus for the preparation of a dyeing solution and their use in textile colouration |
| 06/13/1990 | EP0372334A2 Water soluble manoazo dyes, mixtures of the same, their preparation and their use |
| 06/13/1990 | DE3841481A1 Verfahren zum kontinuierlichen faerben mit schwefelfarbstoffen Method for continuous dyeing with sulfur dyes |
| 06/12/1990 | US4933948 Dye laser solutions |
| 06/12/1990 | US4933436 Process for the preparation of stable aqueous solutions of anionic dyestuffs by conducting diazotization in the presence of an aromatic sulphonic acid |
| 06/12/1990 | US4933417 Pigment dispersing agent |
| 06/12/1990 | US4933250 Magenta color toner for developing latent electrostatic images in color electrophotography |
| 06/06/1990 | EP0371327A2 Monoazo dyes, their preparation and their use |
| 06/05/1990 | US4931066 Hair dye mixture of direct dye and xanthine derivative |
| 05/31/1990 | DE3839744A1 Dye (colourant) formulations for the colouring of textiles in sheet form or of shaped articles (mouldings) made from synthetic materials |
| 05/29/1990 | US4929705 New polyisocyanate-polyaddition compounds, a process for their preparation and their use for the dispersion of solids |
| 05/29/1990 | US4929279 Process for dispersing organic pigments with ultrasonic radiation |
| 05/29/1990 | CA1269788A1 Ink for erasable script |
| 05/29/1990 | CA1269784A1 Pigment compositions, method for producing same, and colored resin compositions |
| 05/23/1990 | EP0369940A2 Concentrated dye solutions |
| 05/23/1990 | EP0369599A1 Tint compositions useful for providing coloration to aqueous and non-aqueous liquids |
| 05/22/1990 | US4927538 Dissolving in hydrocarbon solvent, filtering |
| 05/22/1990 | CA1269380A1 Silanated quinacridone dyes and composite pigments |
| 05/22/1990 | CA1269379A1 Silane diimidic tetracarboxylic perylene dyes and composite pigments |
| 05/22/1990 | CA1269365A1 Insoluble pigments and preparation thereof |
| 05/16/1990 | EP0368213A2 Lithium salt and special amine salts of 1-(4-phenyl azo phenyl azo-2-hydroxynaphthalene 6.8 disulfonic acid |
| 05/15/1990 | US4925926 Preparation of cationic azo or hydrazone dyes in which the alkylation and the separation of the cationic dye are carried out continuously |
| 05/15/1990 | CA2002726A1 Concentrated dye solutions |
| 05/15/1990 | CA1269016A1 Process for the preparation of an organic pigment dispersion |
| 05/10/1990 | DE3837374A1 Highly viscous dye solutions |
| 05/09/1990 | EP0367389A1 Production of lignosulfonate additives |
| 05/08/1990 | US4923972 Preparation of liquid formulations of basic azo dyes in carboxylic acid solution and subsequent heating |
| 05/08/1990 | US4923641 Highly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materials |
| 05/08/1990 | US4923481 Aqueous dispersion of a metallizable dye and sulfonated aromatic condensate |
| 05/08/1990 | CA1268629A1 Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent |
| 05/02/1990 | EP0366062A2 Mixed crystals of pigments based on halogenated diimides of perylenetetracarboxylic acid |
| 05/01/1990 | US4921505 Process for the preparation of new crystal modification of an azo dyestuff |
| 05/01/1990 | CA1268479A1 Substituted m-aminophenol couplers for hair dye compositions and process for their preparation |
| 04/27/1990 | CA2001531A1 Mixed crystal pigments based on halogenated perylenetetracarboximides |
| 04/25/1990 | EP0365346A2 Diazo pigment composition |
| 04/25/1990 | EP0364734A2 Dye stuff and process for manufacturing same |
| 04/24/1990 | US4920220 For pressure or heat sensitive recording materials |
| 04/24/1990 | US4919922 Polyolefin-treated pigment and cosmetics containing the same |
| 04/18/1990 | EP0363775A2 Stabilisation process of a leuco dye solution, and mixture, polymerizable by radiation, containing a leuco dye |
| 04/18/1990 | EP0363730A2 Monoazo dye with a stable colour, its manufacture and its use |
| 04/17/1990 | US4917706 Reducing sugar or sulfide reducing agent |
| 04/17/1990 | US4916769 Disperse mono-azo dye mixture for dyeing synthetic textiles |
| 04/17/1990 | CA1267752A1 Pigment composition |
| 04/11/1990 | EP0363322A2 Process for the manufacture of pigment preparations |
| 04/11/1990 | EP0362703A2 Chinaoridone with selectively imparted triboelectric effects |
| 04/11/1990 | EP0362690A2 Quinacridone pigments, process for their manufacture and their use |
| 04/04/1990 | EP0361677A1 Polymeric compositions and methods of producing them |
| 04/04/1990 | EP0361293A2 Process for the production of concentrated solutions of cationic dyes |
| 04/04/1990 | EP0361251A2 Process for the production of rhodamine dyes in the shape of granulates |
| 04/03/1990 | US4914211 Pigment compositions |
| 03/29/1990 | DE3930738A1 New phthalocyanine reactive dyestuffs - obtd. from metal sulpho-phthalocyanine amino-alkyl or aryl sulphonamide and cyano tri:chloro pyrimidine |
| 03/28/1990 | EP0360757A2 Phosphate ester pigment dispersant |
| 03/28/1990 | EP0360184A2 Process for the manufacture of pigment preparations of the anthanthrone range |
| 03/28/1990 | EP0360182A2 Pigment preparations |
| 03/28/1990 | EP0360093A2 Process for separating salts by electrodialysis |
| 03/27/1990 | US4912203 Thiophene base colorants useful for coloring thermoset resins |
| 03/27/1990 | CA1266955A1 Pigment product |
| 03/22/1990 | DE3931052A1 Pigment prepn. useful in plastics and lacquer - contg. organic pigment and basic additive which is tri:oxo tri:hydro benzimidazo:benz:phenanthroline cpd. |
| 03/21/1990 | EP0359708A2 Monoazo compounds with long-chain alkyl rests |
| 03/21/1990 | EP0359618A1 2-Substituted para-aminophenols and their use in the coloration of keratinic fibres |
| 03/21/1990 | EP0359123A2 Process to influence selectively the triboelectric effect of azopigments |
| 03/21/1990 | EP0359034A1 Dispersant for nonaqueous systems |
| 03/21/1990 | EP0358958A2 Water insoluble monoazo dyes, their preparation and their use, as well as mixtures of these monoazo dyes |