The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2006
Filed:
May. 13, 2003
Laurent Chassot, Praroman, CH;
Hans-juergen Braun, Ueberstorf, CH;
Laurent Chassot, Praroman, CH;
Hans-Juergen Braun, Ueberstorf, CH;
Wella AG, Darmstadt, DE;
Abstract
The present invention has for an object compounds of formula (I) and colorants containing these 4-aminobiphenyl-3-ol derivatives of general formula (I) for dyeing keratin fibers, particularly hair, whereinR1 and R2 independently of each other denote hydrogen, a halogen atom, a cyano group, a hydroxyl group, a C–C-alkoxy group, a C–C-hydroxyalkoxy group, a C–C-alkyl group, a nitro group, a trifluoromethyl group, a —C(O)H group, a —C(O)CHgroup, a —C(O)CFgroup, an —Si(CH)group or a C–-hydroxyalkyl group or R1 and R2 together form an —O—CH—O— bridge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile