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:
Sep. 07, 2010
Filed:
Dec. 11, 2006
Barbara Wagner, Lörrach, DE;
Astrid Walther, Grenzach-Wyhlen, DE;
Bernd Herzog, Grenzach-Wyhlen, DE;
Barbara Wagner, Lörrach, DE;
Astrid Walther, Grenzach-Wyhlen, DE;
Bernd Herzog, Grenzach-Wyhlen, DE;
Ciba Corporation, Tarrytown, NY (US);
Abstract
Disclosed are merocyanine derivatives of formula (1), wherein Rand Rindependently from each other are branched C-Calkyl; or branched C-Calkenyl; Rand Rindependently from each other are cyano; COR, COOR; CONRR; SO(C-C)aryl; C-Calk-1-enyl; C-Ccycloalk-1-enyl; C-Calk-1-inyl; C-Cheteroalkyl; C-Cheterocycloalkyl; C-Caryl; or C-Cheteroaryl; wherein at least one of Rand Ris cyano; Rand Rindependently from each other are hydrogen; C-Calkyl; C-Ccycloalkyl which may be substituted by one or more than one C-Calkyl; and Rand Rindependently from each other are hydrogen; C-Calkyl; C-Calkenyl; C-Calkinyl; C-Ccycloalkyl; C-Ccycloalkenyl; —(CH)COOH; C-Caralkyl; C-Cheteroalkyl; C-Cheteroaralkyl; C-Caryl; C-Cheteroaryl. The compounds are useful as UV absorbers for protecting human hair and skin against the damaging effect of UV radiation.