Silicone polymer, paste-like silicone composition, and w/o-type cosmetic composition comprising the same

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United States of America Patent

PATENT NO 5412004
SERIAL NO

08202086

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A silicone polymer, a paste-like silicone composition prepared by kneading the silicone polymer and a silicone oil under a shearing force, and a water-in-oil type cosmetic composition comprising the paste-like silicone composition as an oil phase component are disclosed. The silicone polymer is prepared by the addition polymerization of components comprising an organohydrogenpolysiloxane R.sup.1.sub.a R.sup.2.sub.b H.sub.c SiO.sub.(4-a-b-c)/2 (1) or R.sup.1.sub.f H.sub.g SiO.sub.(4-f-g)/2 (2) and a polyoxyalkylene C.sub.m H.sub.2m-1 O(C.sub.2 H.sub.4 O).sub.h (C.sub.3 H.sub.6 O).sub.i C.sub.m H.sub.2m-l (A) or an organopolysiloxane R.sup.1.sub.j R.sup.4.sub.k SiO.sub.(4-j-k)/2 (B) the components, including (1) or (A) as an essential component. The silicone polymer can swell in silicone oils and function as a viscosity increasing agent for silicone oils.

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Patent Owner(s)

  • KOSE CORPORATION;SHIN-ETSU CHEMICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Isobe, Kenichi Annaka, JP 33 914
Sakuta, Koji Annaka, JP 56 939
Tachibana, Kiyomi Tokyo, JP 17 454

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