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:
Oct. 27, 1998
Filed:
Nov. 17, 1995
Applicant:
Inventors:
Assignee:
Societe L'Oreal S.A., Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
424 60 ; 424 47 ; 424 7012 ; 528 41 ; 528 43 ; 556416 ; 556417 ; 556415 ;
Abstract
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting effective amount of a novel cinnamonitrile-substituted polyorganosiloxane/polyorganosilane having one of the formulae (1) to (3): ##STR1## wherein A is a monovalent cinnamonitrile radical which comprises an alkylene or alkyleneoxy bridging group, which is bonded directly to a silicon atom, and which has the formula (4): ##STR2##