C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
167/314, 260/447
C07F 7/08 (2006.01) A61K 8/58 (2006.01) A61Q 17/04 (2006.01) C07F 7/18 (2006.01) C08G 77/38 (2006.01)
Patent
CA 1245230
Abstract of the Disclosure Organosilicon compounds which are silanes or siloxanes characterised by the presence of silicon-bonded groups repre- sented by the general formula Image in which R' is a divalent hydrocarbon group which may contain ether oxygen, R" represents -CHBCH2- or -C6H9B- in which B is OH or the group Image a and n are each 0 or 1 and Y is -OH, lower alkoxy or -NX2 wherein X represents hydrogen or lower alkyl. The compounds are prepared by the reaction of an organo- siliccn compound having an organic substituent which contains an epoxy group, And the appropriate acid or acid chloride. They absorb ultra violet radiation and are useful as cosmetic and other sunscreen agents.
461133
Hill Michael P.l.
Pittet Gilbert H.
Dow Corning Limited
Gowling Lafleur Henderson Llp
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