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:
Aug. 05, 2008
Filed:
Jul. 01, 2003
Barbara Wagner, Lörrach, DE;
Thomas Ehlis, Freiburg, DE;
Kai Eichin, Wittlingen, DE;
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Abstract
The use is described of merocyanine derivatives of formula (1), wherein Rand Rare each independently of the other hydrogen; C-Calkyl; cyclo-CCalkyl; or unsubstituted or C-Calkyl- or C-Calkoxy-substituted C-Caryl; orl; or Rand Rtogether with the nitrogen atom linking them form a —(CH)— ring which is uninterrupted or, interrupted by —O— or by —NH—; Ris a cyano group; —COOR; —CONHR; —COR; or —SOR; Ris a cyano group; —COOR; —CONHR; —COR; or —SOR; Rand Rare each independently of the other C-Calkyl; or unsubstituted or C-Calkyl substituted C-Caryl; or Rand Rtogether or Rand Rtogether form in a 5- to 7-membered, monocyclic, carbocyclic or heterocyclic ring; Z, and Zare each independently of the other a —(CH)— group which is uninterrupted or interrupted by —O—, —S—, or by —NR—, and/or is unsubstituted or substituted by C-Calkyl; Ris (CCalkyl; 1 is from 1 to 4; m is from 1 to 7; n is from 1 to 4; when n=2, R, Ror Ris a bivalent alkyl group; or R, and Rtogether with the 2 nitrogen atoms linking them form a —(CH)— ring; when n=3, R, Ror Ris a trivalent alkyl group; when n=4, R, Ror Ris a tetravalent alkyl group; and R, and Rin formula (1) are not simultaneously hydrogen, in protecting human and animal hair and skin from UV radiation.