| 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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| 07/07/1998 | US5776241 Process for the preparation of a melanic pigment of small particle size and its use in cosmetics |
| 07/07/1998 | US5776238 Organic pigments |
| 07/07/1998 | US5776237 Process for preparing pigment composition, pigment composition and its use |
| 07/01/1998 | EP0851007A1 Organic pigment compositions |
| 07/01/1998 | EP0851006A1 Organic pigment compositions |
| 07/01/1998 | EP0851005A2 Agglomerated pigment, process for producing the same, aqueous pigment dispersion, and water-based ink composition |
| 07/01/1998 | EP0851004A1 Disazo dyestuffs for dyeing materials containing cellulose |
| 07/01/1998 | EP0850638A1 Oxidative dye composition for keratinic fibres and dyeing process using this composition |
| 07/01/1998 | EP0850637A1 Composition for the oxidative dyeing of keratinic fibres and dyeing process using this composition |
| 07/01/1998 | EP0850636A1 Composition for the oxidative dyeing of keratinic fibres and dyeing process using this composition |
| 07/01/1998 | CN1186092A Crystalline titanyl phthalocyanines and use thereof |
| 06/30/1998 | US5773193 Optical recording layers containing no k metallized formazan dyes mixed with symmetrical and unsymmetrical cyanine dyes |
| 06/30/1998 | US5773184 Processing which enhances photoconductivity of type I titanyl phthalocyanine |
| 06/30/1998 | US5773182 Method of light stabilizing a colorant |
| 06/30/1998 | US5773181 Non-uniformly substituted phthalocyanine compositions preparation methods, and electrophotographic elements |
| 06/30/1998 | US5772750 Process for producing β-form copper phthalocyanine pigment |
| 06/30/1998 | US5772699 Stable aqueous reactive dye composition and method for stabilizing an aqueous reactive dye composition |
| 06/30/1998 | US5772698 Reactive dyes from the dioxazine series, their preparation and use |
| 06/30/1998 | US5772697 Monitoring sodium hydroxide and buffered alkali flowing to mixer |
| 06/30/1998 | US5772696 Process for purification of water soluble dyes via water insoluble metal salt intermediate |
| 06/24/1998 | EP0849726A1 Optical information recording medium and method of procucing the same |
| 06/24/1998 | EP0849336A2 Process for surface-treated organic pigments |
| 06/24/1998 | EP0849335A2 Surface-treated organic pigments |
| 06/24/1998 | EP0848913A2 Use of carotenoid solubisate for colouring foodstuffs and pharmaceutical preparations |
| 06/24/1998 | EP0848744A1 Colored transmission fluid |
| 06/24/1998 | EP0848734A1 Mixtures of disazo reactive dyes |
| 06/24/1998 | CN1185464A Pigment dispersing agent, pigment dispersing liquid and pigment dispersing liquid for colour filter |
| 06/24/1998 | CN1185433A Carotenoid preparation capable of mixing with liquid and oil |
| 06/23/1998 | US5770651 Polyurethane containing both cationic and anionic groups |
| 06/23/1998 | US5770648 Branched polymer having hydrophilic backbone containing carboxylic acid groups neutralized with amine or inorganic base, macromonomer side chains |
| 06/18/1998 | WO1998026008A1 Stable, aqueous dispersions and stable, water-dispersible dry xanthophyll powder, their production and use |
| 06/18/1998 | DE19651681A1 Stabile, wäßrige Dispersionen und stabile, wasserdispergierbare Trockenpulver von Xanthopyllen, deren Herstellung und Verwendung Stable, aqueous dispersions and stable, water-dispersible dry powder of Xanthopyllen, their preparation and use |
| 06/17/1998 | EP0848043A2 Pigment dispersant and pigment dispersion, especially suitable for color filters |
| 06/17/1998 | EP0848040A2 Method of producing metal-free phthalocyanine with a control of the produced modification |
| 06/17/1998 | EP0847747A1 Composite melanin pigment particles having a wax spherical core, preparation process and uses in cosmetics |
| 06/17/1998 | EP0596098B1 Fluorescent microparticles with controllable enhanced stokes shift |
| 06/16/1998 | US5766810 Milling the pigments under shear in the absence of solvent and salt; slurrying the amorphous mixture with a noncrystallzing solvent; charge generating compounds; electrography; high speed; low dark decay |
| 06/16/1998 | US5766637 Microencapsulation process using supercritical fluids |
| 06/16/1998 | CA2121507C Method for tagging thermoplastic materials with near infrared fluorophores |
| 06/11/1998 | WO1998024967A1 Process for reducing sulfur and vat dyes |
| 06/11/1998 | WO1998024850A1 Dye preparations containing methine dyes |
| 06/10/1998 | EP0846146A1 Novel colorants and colorant modifiers |
| 06/10/1998 | DE19650825A1 Verfahren zur Reduktion von Schwefel- und Küpenfarbstoffen A process for the reduction of sulfur and vat dyes |
| 06/10/1998 | DE19650252A1 Treatment, storage and use of explosive substances |
| 06/10/1998 | DE19650251A1 Dye preparations for ink jet printing |
| 06/10/1998 | CN1038656C Dispersant composition and its use for dispersing and stabilizing mixed coal and water slurry |
| 06/09/1998 | US5764261 Ink for ink-jet printing and the printing process therewith |
| 06/09/1998 | US5763189 Fluorescence energy transfer and intramolecular energy transfer in particles using novel compounds |
| 06/09/1998 | US5762653 Dye mixtures, processes for their preparation and their use |
| 06/09/1998 | US5762652 Color mixtures comprising a triazine dyes and an azo dyes or a benzotriazole dyes |
| 06/09/1998 | US5762651 Dustproofing agents |
| 06/04/1998 | WO1998023695A2 Improved substrates and colorant stabilizers |
| 06/04/1998 | DE19649802A1 Farbstoffzubereitungen, enthaltend Methinfarbstoffe Dye preparations containing methine |
| 06/04/1998 | CA2269700A1 Improved substrates and colorant stabilizers |
| 06/03/1998 | EP0845504A2 Process for the preparation of a pigment composition |
| 06/03/1998 | EP0845503A2 Liquid carotenoid compound preparations miscible with oil |
| 06/03/1998 | EP0845502A2 Silicon phthalocyanine compound, method of producing the same and electrophotographic photoreceptor |
| 06/03/1998 | EP0737212B1 Colored metallic pigments |
| 06/03/1998 | EP0609268B1 Process for dyeing polyolefin fibers |
| 06/03/1998 | CN1183438A Disperse dyestuff mixtures |
| 06/02/1998 | US5760257 An addition-condensation copolymer comprising allyl group, polyester, polyamide and/or polyether; receptivity; antiagglomerants |
| 06/02/1998 | US5760154 Water soluble; biodegradable |
| 06/02/1998 | US5759726 Phthalocyanine |
| 06/02/1998 | CA2223113A1 Process for the preparation of a pigment composition |
| 05/28/1998 | WO1998022537A1 Acid yellow dye and method for using same |
| 05/28/1998 | CA2271817A1 Acid yellow dye and method for using same |
| 05/26/1998 | US5756746 Monophase solid solutions containing asymmetric pyrrolo 4,3-c! pyrroles as hosts |
| 05/26/1998 | US5756247 Hydroxygallium phthalocyanine crystal, and electro-photographic photoreceptor containing the same |
| 05/26/1998 | US5755874 Process for preparing linear unsubstituted β-phase quinacridone pigments |
| 05/26/1998 | US5755873 Incorporation of quinacridone additives during quinacridone preparation |
| 05/26/1998 | US5755872 Process for preparing quinacridone pigments |
| 05/26/1998 | US5755830 Method of preparing high activity sulfonated lignin dye dispersants |
| 05/20/1998 | EP0842993A1 Method for the manufacture of instant colourant powders and instant colourant powders made by said method |
| 05/20/1998 | EP0842989A2 Pigment compositions and effect coatings |
| 05/20/1998 | EP0842987A2 Incorporation of quinacridone additives during quinacridone preparation |
| 05/20/1998 | EP0842227A1 Azothiophenes |
| 05/20/1998 | DE19647600A1 Dye preparations for ink jet printing |
| 05/20/1998 | CN1182103A Preparation of sulfo-containing copper phthalcyanine |
| 05/19/1998 | US5754337 Increased visibility for traffic signals; blends of yellow perylene dye and a yellow-green dye |
| 05/19/1998 | US5753775 Dispersant for dye and pigment formulations |
| 05/19/1998 | US5753759 From hydrolyzed vinylformamide polymers |
| 05/19/1998 | US5753443 Crystallized formulation for staining DNA, its preparation and kit |
| 05/19/1998 | US5753395 Electrophotographic photoreceptor |
| 05/19/1998 | US5753030 Crystal growth modifiers for perylene pigments |
| 05/19/1998 | US5753022 Process |
| 05/14/1998 | WO1998020078A1 Dye composition and method for dyeing hydrophobic fiber with the same |
| 05/14/1998 | WO1998019856A1 Multi-component dye compositions for optical recording media |
| 05/14/1998 | DE19645063A1 Optischer Aufheller Optical Brightener |
| 05/13/1998 | EP0841378A2 Use of aqueous concentrated solutions of a salt of a disazo dye in the ink-jet process as the disazo dye salt |
| 05/13/1998 | EP0840766A1 Stabilised dye composition |
| 05/13/1998 | EP0840765A1 Dye mixtures |
| 05/13/1998 | EP0716666B1 Toners for polyesters |
| 05/13/1998 | CN1181773A Heat-stable crystal modification of dye, process for the prepn. of the same, and processes for dyeing hydrophobic fibers with the same |
| 05/13/1998 | CA2220702A1 New pigment compositions and effect coatings |
| 05/12/1998 | US5750321 Process for buffering concentrated aqueous slurries |
| 05/12/1998 | US5749946 Anticorrosive pigment preparation containing metal oxide-coated platelet adjuvant |
| 05/12/1998 | US5749926 Method of preparing high activity sulfonated lignin dye dispersants |
| 05/07/1998 | WO1998018996A1 Optical brightening agent |
| 05/07/1998 | WO1998018839A1 Pigment dispersions containing aqueous branched polymer dispersant |
| 05/07/1998 | DE19644077A1 Pigment preparation used for inks in ink-jet printing |