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. 24, 2001
Filed:
Feb. 17, 2000
Dietmar Hüglin, Eimeldingen, DE;
Helmut Luther, Grenzach-Wyhlen, DE;
Dieter Reinehr, Kandern, DE;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
A description is given of the use of bis(resorcinyl)triazines of formula (1) wherein R,and R,are each independently of the other hydrogen; C,-C,alkyl; C,-C,alkenyl; a radical of formula —CH,—CH(—OH)—CH,—O—T,; a radical of formula (1,); or a radical of radical of formula (1,); R,and R,are each independently of the other hydrogen or C,-C,alkyl; R,is hydroxy; C,-C,alkoxy which is unsubstituted or substituted by one or several OH groups; amino; mono- or di-C,-C,alkylamino; M; a radical of formula (1,); (1,); (1,); (1,); (1,); or (1,); R,is a direct bond; a straight-chain or branched C,-C,alkylene radical or a radical of formula (a) or (b); R,, R,and R,are each independently of one another C,-C,alkyl; C,-C,alkoxy or a radical of formula (1,), R,, R,and R,are each independently of one another C,-C,alkyl which is unsubstituted or substitued by one or several OH groups; R,is hydrogen; M; C,-C,alkyl; or a radical of formula (c) R,is C,-C,alkyl; M is a metal cation; T,is hydrogen; or C,-C,alkyl; m,is 1 to 3; m,is 2 to 14; and p,is 0; or a number from 1 to 5, for protecting human and animal skin and hair from the damaging effect of UV radiation. The compounds used according to this invention are very powerful UVA absorbers with fractions in the UVB range and are particularly suitable as sunscreens in cosmetic, pharmaceutical and veterinary compositions.