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:
Apr. 16, 2013
Filed:
Nov. 24, 2010
Hugo Ziegler, Witterswil, CH;
Marc Heidl, Lörrach, DE;
Dominik Imfeld, Münchenstein, CH;
DSM IP Assets B.V., Heerlen, NL;
Abstract
The invention relates to compounds and to the cosmetically acceptable salts thereof, which correspond to general formula (I), wherein: Rrepresents H, —C(O)—R, —SO—Ror —C(O)—XR; Rand R, independent of one another, represent (CH)—NHor (CH)—NHC(NH)NH; n equals 1 4; Rrepresents linear or branched C-Calkyl that is optionally substituted by hydroxy; Rand R, independent of one another, represent hydrogen, optionally substituted (C-C)alkyl, optionally substituted C-Calkenyl, optionally substituted phenyl, optionally substituted phenyl-C-Calkyl or 9-fluorenyl-methyl; X represents oxygen (—O—) or NH—; or XRwith X═O also represents the esters of a-tocopherol, tocotrienol or retinol, with the provision that Rand Rdo not represent hydrogen and X does not represent oxygen at the same time. The invention also relates to the production of the compounds of general formula (I) and to a cosmetically active composition that contains at least one compound of formula (I).