Alkyl-aryl 1,3-propanedione silicone derivative and an external

Details Alkyl-aryl 1,3-propanedione silicone derivative and an external Alkyl-aryl 1,3-propanedione silicone derivative and an external

1992-08-13

1993-07-06

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

424 59, C07F 708, C07F 718

Patent

active

052255832

ABSTRACT:
Alkyl-aryl 1,3-propanedione silicone derivative characterized in that said derivative is siloxane having at least one unit expressed by the general formula 1 as shown below and other unit which can exist in said siloxane is expressed by a general formula of O.sub.4-r/2 SiR.sup.5.sub.r, and an external preparation for skin with said derivative compounded therein. ##STR1## Herein; R.sup.1 : A hydroxyl group, an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 8 carbon atoms

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patent: 4812214 (1989-03-01), Wright
patent: 4880705 (1989-11-01), Wright
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