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.

Date of Patent:
Apr. 11, 2000

Filed:

Jul. 10, 1998
Applicant:
Inventors:

Alain Bringhen, Croix-de-Rozon, CH;

Hans Ulrich Gonzenbach, Geneva, CH;

Magali Pochon, Geneva, CH;

Assignee:

Roche Vitamins Inc., Parsippany, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 59 ; 424 60 ; 424400 ; 424401 ;
Abstract

The invention relates to a composition which comprises a dibenzoylmethane capable of absorbing UV-A radiation and a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl or alkoxy containing 1 to 18 carbon atoms provided that R.sup.1 and R.sup.2 are not both hydrogen; and n is 1 or 2 in an amount effective to photostabilize the dibenzolymethane, and a cosmetically acceptable carrier, and to cosmetic light-screening compositions containing at least one of the above agents, the use of the cosmetic light-screening compositions for the protection of the human skin and human hair against the ultraviolet radiation of wavelengths between about 320 and 400 nm (UV-A) and optionally also between about 290 and 400 nm (UV-B).


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