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:
Dec. 22, 1998
Filed:
Sep. 04, 1997
Applicant:
Inventors:
Michihiro Sugo, Annaka, JP;
Hisashi Aoki, Takasaki, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 14 ; 528 18 ; 528 34 ; 528 37 ; 556460 ;
Abstract
A novel cyclotrisiloxane having the following general formula (1) and a novel copolymer synthesized using the cyclotrisiloxane are provided. The copolymer is excellent in low-temperature characteristics, heat resistance, temperature-viscosity characteristics, and compatibility with various fluids and is particularly useful as a starting material for use in cosmetics and greases. ##STR1## wherein R.sup.2 is a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a halogenated alkyl group, an alkenyl group, an acryloyloxypropyl group or a methacryloyloxypropyl group, and R.sup.3 is a methyl group or a phenyl group.