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:
Oct. 03, 2017
Filed:
Oct. 23, 2014
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Takato Sakurai, Annaka, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
Provided are a Gemini-type alkyl-polyoxyalkylene-modified silicone suitable for use in preparing a silicone emulsion; a production method of thereof; and a defoaming agent composition containing such Gemini-type alkyl-polyoxyalkylene-modified silicone. The Gemini-type alkyl-polyoxyalkylene-modified silicone is expressed by the following general formula (A): wherein each of R, R, R, R, Rand Rrepresents an alkyl group or the like; n represents an integer of 0 to 300; and (B) represents a group expressed by the following general formula (1) or general formula (2): wherein each of Rand X represents a hydrocarbon group; Rrepresents a hydrogen atom, a hydrocarbon group, a formyl group or an acyl group; and a and b represent numbers satisfying 2≦a≦200 and 0≦b≦200, provided that a+b=2 to 200.