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:
Sep. 19, 2006
Filed:
Dec. 19, 2005
Ulrich Huber, Erlenbach, CH;
Ulrich Huber, Erlenbach, CH;
DSM IP Assets B.V., Te Heerlen, NL;
Abstract
Methods for making UV screening compositions by combining benzoxazolyl benzene derivatives of formula (I): wherein Ris hydrogen, C-alkyl or C-alkenyl; Rand Rare independently a group —C(R,R)C(R)═C(R,R) (a) or a group —C(R,R)CH(R)CH(R,R) (b), wherein R, R, R, R, R, R, R, R, Rand Rare independently, hydrogen, C-alkyl or C-alkenyl, or C-alkyl or C-alkenyl containing at least one oxygen atom interrupting the hydrocarbon chain; or wherein R, R, R, R, Rand Rare hydrogen, C-alkyl or C-alkyl containing at least one oxygen atom interrupting the hydrocarbon chain, or alkyl substituted by silane or oligosiloxane moiety, and one of Rand Ror Rand Ris a silane or oligosiloxane moiety and the other one of Rand Ror Rand Ris hydrogen; and X is phenylene or naphthylene, or substituted phenylene or naphthylene with a cosmetic base. Methods of protecting a surface from UV radiation by applying a UV screening agent of formula I to a surface such as hair or skin.