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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.:

US 9421156 B1

PDFFull Text
Date of Patent:
Aug. 23, 2016

Filed:

Apr. 28, 2014

Silicone elastomer particle and an aqueous dispersion comprising the same

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Yoshinori Inokuchi, Annaka, JP;

Ryuji Horiguchi, Annaka, JP;

Assignee:

SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Kuo-Liang Peng

Int. Cl.
CPC ...
A61K 8/891 (2006.01); A61K 8/49 (2006.01); A61Q 1/00 (2006.01); C08K 5/1545 (2006.01); C08G 77/50 (2006.01); A61K 8/34 (2006.01); A61Q 1/02 (2006.01); A61K 8/67 (2006.01); A61K 8/895 (2006.01); A61K 8/02 (2006.01); C08G 77/12 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
A61K 8/498 (2013.01); A61K 8/025 (2013.01); A61K 8/347 (2013.01); A61K 8/4926 (2013.01); A61K 8/678 (2013.01); A61K 8/891 (2013.01); A61K 8/895 (2013.01); A61Q 1/00 (2013.01); A61Q 1/02 (2013.01); C08G 77/50 (2013.01); C08K 5/1545 (2013.01); A61K 2800/522 (2013.01); A61K 2800/57 (2013.01); A61K 2800/654 (2013.01); C08G 77/12 (2013.01); C08G 77/20 (2013.01);
Abstract

One of the purposes of the present invention is to provide a silicone elastomer particle and an aqueous dispersion of the silicone elastomer particles, which prevent generation of odor from oxygenation of nonionic surfactants. The present invention provides a silicone elastomer particle having a crosslinking structure formed by an addition reaction of a monovalent aliphatic unsaturated group bonded to a silicon atom and a hydrogen atom bonded to another silicon atom, wherein the silicone elastomer particle contains an antioxidant. Further, present invention provides an aqueous dispersion comprising the silicone elastomer particles, a nonionic surfactant and water.

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