| 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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| 05/07/1998 | CA2269706A1 Pigment dispersions containing aqueous branched polymer dispersant |
| 05/06/1998 | EP0839879A2 Use of pigment preparations for ink-jet printing |
| 05/06/1998 | EP0839873A1 Preparation process of copper phthalocyanine dyes containing sulfonic acid groups |
| 05/05/1998 | US5747175 LCP blends |
| 05/05/1998 | US5746820 Surface-treated quinacridone and dioxazine pigments |
| 04/30/1998 | WO1998017741A1 Colored cholesteric liquid crystal polymers with optically variable properties |
| 04/30/1998 | WO1998017729A1 Pigment granulation |
| 04/30/1998 | CA2269321A1 Colored cholesteric liquid crystal polymers with optically variable properties |
| 04/30/1998 | CA2265520A1 Pigment granulation |
| 04/29/1998 | CN1180367A Process for producing printing ink |
| 04/28/1998 | US5744590 Improved heat stability, light stability, and bleed fastness when used in plastics |
| 04/28/1998 | US5744588 Blue type disperse dye mixture and process for its preparation |
| 04/28/1998 | US5744152 Polymeric compositions and methods of producing them |
| 04/28/1998 | CA2133932C Temperature-sensitive color-memorizing microcapsulated pigment |
| 04/23/1998 | WO1998016615A1 Colored particulate compositions |
| 04/23/1998 | WO1998016577A1 Organic pigment for coloring syndiotactic polystyrene (sps) structure, colorant for coloring sps, and styrenic resin composition |
| 04/23/1998 | DE19643277A1 Eingefärbte cholesterische Flüssigkristallpolymere mit optisch variablen Eigenschaften Colored cholesteric liquid crystal polymers with optically variable properties |
| 04/22/1998 | EP0837463A1 Optical recording layers containing no K metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes |
| 04/22/1998 | EP0837462A1 Optical recording elements having recording layers containing mixtures of low K metallized formazan and cyanine dyes |
| 04/22/1998 | EP0837460A1 Tetra dye mixed with another dye or dyes for optical recording elements |
| 04/22/1998 | EP0837459A1 Optical recording elements having recording layers containing mixtures of no K metallized formazan and cyanine dyes |
| 04/22/1998 | EP0837457A1 Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes |
| 04/22/1998 | CN1179789A Monoazo pigments |
| 04/22/1998 | CN1179446A Red colour composite monoazo-dyes for dyeing synthetic fibre |
| 04/21/1998 | US5741591 Microcapsules, and encapsulation method therefor |
| 04/21/1998 | US5741356 Treating with a sterically hindered and/or bulky primary amine and a surfactant; suspension |
| 04/21/1998 | US5741337 Process for the oxidative dyeing of keratinous fibres with a composition which contains an oxidation dye precursor, a coupler, and an oxidant at an acidic pH |
| 04/16/1998 | WO1998015348A1 Microencapsulation process using supercritical fluids |
| 04/16/1998 | CA2267350A1 Microencapsulation process using supercritical fluids |
| 04/15/1998 | EP0835912A1 My-oxo-gallium phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same |
| 04/15/1998 | EP0835890A1 Water-soluble urethane polymer and aqueous ink using the same |
| 04/14/1998 | USRE35768 Process for the preparation of improved dyestuff granules from suspension containing a propylene oxide-ethylene oxide copolymer |
| 04/14/1998 | US5738719 Mixing dinitrilo-diketopyrrolopyrrole crystal growth inhibitor into alkaline reaction mixture of succinic diester and nitrile compound before or during synthesis |
| 04/14/1998 | US5737871 Diazotizing aniline or derivative with sodium nitrate, coupling with phenylalkylalkanolamine ester; marker dye solution is added to petroleum fuel in miscible form, extraction with acid produces chromophoric reaction |
| 04/14/1998 | CA2041261C Preparation of concentrates of colouring agents |
| 04/08/1998 | EP0834537A1 Surface-treated organic pigment and process for the production thereof |
| 04/08/1998 | EP0833812A1 Chemical compounds and methods of production thereof |
| 04/08/1998 | EP0719356B1 Brightening mixtures based on bistyryl compounds |
| 04/08/1998 | EP0544874B1 Method for preparing submicron particles in the presence of lipid vesicles, and corresponding compositions |
| 04/07/1998 | US5736282 Coating dispersion stability, image quality |
| 04/07/1998 | US5735939 Comprising metal-free or metal-containing chelate-forming compound, material in flake form, material which binds hydroxide ions |
| 04/07/1998 | US5735911 Triazine dyes having good wet and light fastness properties |
| 04/02/1998 | WO1998013426A1 Modified nacreous lustre pigments for water paint systems |
| 04/02/1998 | DE19742156A1 Thin films containing functional molecules |
| 04/02/1998 | DE19639783A1 Modifizierte Perlglanzpigmente für Wasserlacksysteme Modified pearlescent pigment for waterborne paint systems |
| 04/01/1998 | EP0832941A1 Type I titanyl phthalocyanine having enhanced photoconductivity |
| 04/01/1998 | EP0832940A2 Mixtures of dyes, process for their preparation and the use thereof |
| 04/01/1998 | EP0832939A2 Mixtures of reactive azo dyes dyeing in blue and their use for dyeing fibrous material containing hydroxy and/or carbonamide groups |
| 04/01/1998 | EP0832938A2 Mixtures of symmetrical and unsymmetrical nickel formazan dyes |
| 04/01/1998 | EP0832569A2 Preparing powdery carotenoide compounds dispersible in cold water and their use |
| 03/31/1998 | US5734050 Process for producing dioxazine compounds, colored materials therewith and dioxazine compounds having a plate-like crystal form |
| 03/31/1998 | US5734028 Anthraquinone and monoazo, polyester fibers |
| 03/31/1998 | US5733693 Method for improving the readability of data processing forms |
| 03/26/1998 | WO1998012265A1 Process for producing pigment particles of defined shape and size |
| 03/26/1998 | DE19638797A1 Verfahren zur Herstellung von Pigmentteilchen definierter Form und Größe A process for producing pigment particles of defined size and shape |
| 03/25/1998 | EP0831167A2 Use of aryloxy polyglykolethers as levelling and dispersing agent |
| 03/25/1998 | EP0831132A2 Cyan and magenta pigment set |
| 03/25/1998 | EP0830676A1 Digital information recording media and method of using same |
| 03/25/1998 | EP0830638A1 Novel pre-dyes |
| 03/25/1998 | EP0830256A2 Temporary marking, ultraviolet radiation detection, and printing, all using photoerasable colorants |
| 03/25/1998 | CN1177029A Process for trichromatic dyeing printing |
| 03/25/1998 | CN1176978A Oxidation process for preparing quinacridone pigments |
| 03/25/1998 | CN1176977A Disperse dyes |
| 03/25/1998 | CN1176760A Process for mfg. carotenoid compositions |
| 03/24/1998 | US5731398 Polyetherurethanes |
| 03/24/1998 | US5731054 Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes |
| 03/20/1998 | CA2214918A1 Use of aryloxypolyglycol ethers as levelling and dispersing agents |
| 03/19/1998 | WO1998011170A1 Jet ink and process for preparing dispersion of colored fine particles for jet ink |
| 03/18/1998 | EP0829524A1 Method of preparing high activity sulfonated lignin dye dispersants, dispersants produced thereby and dyestuff compositions containing the same |
| 03/18/1998 | EP0829523A2 Oxidation process for preparing quinacridone pigments |
| 03/18/1998 | EP0829496A1 Pigment preparations |
| 03/18/1998 | EP0829376A1 Black thermal transfer sheet |
| 03/18/1998 | CN1176577A Stable lycopene concentrates and process for their preparation |
| 03/18/1998 | CN1176274A Hydroxygallium phthalocyanine compound, production process therefor and electrophotographic photosensitive member using the compound |
| 03/18/1998 | CN1176273A Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers |
| 03/18/1998 | CN1176233A Low thickness antifragmentation plates |
| 03/18/1998 | CN1176184A Production technology of peculiar color pattern |
| 03/17/1998 | US5728206 Surface-treated organic pigments |
| 03/17/1998 | US5728204 Preparation of phthalocyanine-containing waterborne coating systems |
| 03/12/1998 | WO1998010021A1 Tetrakisazo dyes, their production and use |
| 03/12/1998 | CA2215375A1 Method of preparing high activity sulfonated lignin dye dispersants, high activity sulfonated lignin dye dispersants produced thereby and dyes tuff compositions containing the same |
| 03/11/1998 | EP0827988A1 Mixtures of disperse dyes |
| 03/11/1998 | EP0827987A2 Mixtures of azo reactive dyes and their use for dyeing fiber material containing hydroxy or carbonamide groups |
| 03/11/1998 | CN1175607A Tetrazo pigment composition and printing ink |
| 03/10/1998 | US5726000 Dispersion of fine solid particles and method for producing the same |
| 03/10/1998 | US5725984 Omega-oxo-aluminum phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same |
| 03/10/1998 | US5725649 Pigment compositions |
| 03/10/1998 | US5725606 Azo dye mixtures and the use thereof |
| 03/10/1998 | US5725605 Containing uronic acid units, polyvinylpyrrolidone, environmentally friendly, stability against clouding |
| 03/04/1998 | EP0826744A1 Heat-stable crystal modification of dye, process for the preparation of the same, and processes for dyeing hydrophobic fibers with the same |
| 03/04/1998 | EP0826743A2 Mixtures of dyes, process for their preparation and the use thereof |
| 03/04/1998 | EP0826741A1 Disperse dyes |
| 03/04/1998 | EP0826490A2 Low thickness antifragmentation plates |
| 03/04/1998 | CN1174862A Process for producing beta-form copper phthalocyanine pigment |
| 03/04/1998 | CN1174840A Novel crystal modification of diketopyrrolopyrrole pigment |
| 03/03/1998 | US5723626 Fluorescent isoindoline pigments |
| 03/03/1998 | US5723587 Azo dyes |
| 02/28/1998 | CA2213981A1 Low thickness antifragmentation plates |
| 02/25/1998 | EP0825234A2 Crystal modification of a diketopyrrolopyrrole pigment |
| 02/25/1998 | EP0825233A2 Aqueous dyestuff preparations |