Mixture for the oxidation tinting of keratin fibres containing a laccase and tinting method using said mixture
Patent 6576024 Issued on June 10, 2003. Estimated Expiration Date: 
October 2, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 2, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesOxidation dye composition for keratin fibers containing an oxidation dye precursor and amphiphilic polymer Patent #: 5976195 InventorsAssigneeApplicationNo. 600102 filed on 10/02/2000US Classes:8/405, Hair dyeing8/406, Oxidation dye8/407, With dye other than oxidation dye8/408, Plural dyes or dye and coupling agent8/409, Heterocyclic amine dye8/411, With metadiaminobenzene dye8/412With aminophenol dyeExaminersPrimary: Gupta, Yogendra N.Assistant: Elhilo, Eisa Attorney, Agent or FirmForeign Patent References
International ClassA61K 007/13Foreign Application Priority Data1998-01-13 FRAbstractThe invention relates to a cosmetic mixture for the oxidation tinting of keratin fibres, containing in a support material suitable for tinting keratin fibres (a) at least one laccase-type enzyme; (b) at least one polymer thickener selected from the group constituted by: (i) amphiphilic non-ionic polymers comprising at least one fatty chain and at least one hydrophilic unit; (ii) anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty chain unit; (iii) cross-linked acrylic acid homopolymers; (iv) cross-linked 2-acrylamide-2-methyl-propane sulfonic acid homopolymers and their cross-linked acrylamide copolymers, which are partially or fully neutralized; (v) ammonium acrylate homopolymers or ammonium acrylate and acrylamide copolymers; (vi) dimethylaminoethyl-methacrylate homopolymers quatemized by methyl chloride or dimethylaminoethyl-methacrylate copolymers quaternized by methyl chloride and acrylamide copolymers; (vii) non-ionic guar gums; (viii) scleroglucan gum (a biopolysaccharide of microbial origin): (ix) gums made of vegetable exudates such as gum arabic, gum ghatti, gum karaya and gum tragacanth; and (c) at least one oxidation tint. The invention also relates to the tinting methods making use of the above mixture. | |
