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. 03, 2019
Filed:
Sep. 01, 2016
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/08 (2006.01); C08G 77/06 (2006.01); C08G 77/04 (2006.01); C08K 5/42 (2006.01); C08L 83/04 (2006.01); C08G 77/00 (2006.01);
U.S. Cl.
CPC ...
C08G 77/045 (2013.01); C08G 77/06 (2013.01); C08G 77/08 (2013.01); C08G 77/70 (2013.01); C08K 5/42 (2013.01); C08L 83/04 (2013.01); A61K 2800/21 (2013.01);
Abstract
A production method for an organopolysiloxane emulsion composition, wherein (I) an emulsion composition is prepared by emulsifying an organopolysiloxane (A) that is represented by formula (2), or that is a mixture of organopolysiloxanes represented by formulas (1) and (2), and that has an octamethylcyclotetrasiloxane content of 1000 ppm or less The organopolysiloxane generated has a 15 mass % toluene solution viscosity of 200 mPa·s or higher at 25° C., has an octamethylcyclotetrasiloxane content of 3000 ppm or less, and has a branched structure that has a particle size of 1 μm or less.