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:
Jul. 18, 2000
Filed:
Aug. 26, 1997
Helmut Luther, Grenzach-Wyhlen, DE;
Rene Baudin, Basel, CH;
Albert Stehlin, Rosenau, FR;
Jurg Haase, Bettingen, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
Benzotriazole derivatives of formula ##STR1## or triazines of formula ##STR2## wherein R is hydrogen or chloro; R.sub.1 is C.sub.1 -C.sub.12 alkyl or phenyl-C.sub.1 -C.sub.3 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl or SO.sub.3 M; A.sub.1 is a radical of formula ##STR3## R.sub.3 is a radical of formula ##STR4## R.sub.4 is halogen; or a radical of formula ##STR5## Q.sub.1 is C.sub.1 -C.sub.18 alkyl; R.sub.5, R.sub.6 and R.sub.7 are each independently of one another hydrogen; C.sub.1 -C.sub.12 alkyl; C.sub.1 -C.sub.18 alkoxy; halogen; hydroxy; or a radical of formula ##STR6## Hal.sup.- ; where the substituents are as defined herein, are distinguished by good substantivity for human hair while at the same time providing effective protection against UV radiation.