Cosmetic composition comprising at least one specific block copolymer
申请人:Mougin Nathalie
公开号:US20070172505A1
公开(公告)日:2007-07-26
The present invention relates to a cosmetic composition comprising, in a physiologically acceptable medium: at least one aqueous phase, at least one preservative, and at least one block copolymer of rod-coil type comprising at least one coil polymeric block structure with a variable conformation covalently bonded to at least one rod polymeric block structure with a restricted conformation.
Regioselectivity in the diels-alder reactions of α-pyrones with alkynes
作者:R.Karl Dieter、William H. Balke、Jeffrey R. Fishpaugh