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:
May. 12, 2020
Filed:
Aug. 19, 2016
Jxtg Nippon Oil & Energy Corporation, Tokyo, JP;
Akira Takagi, Tokyo, JP;
Shingo Matsuki, Tokyo, JP;
JXTG NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Abstract
A defoaming agent comprising: a polymer comprising a repeating unit represented by the following general formula (1): where in the general formula (1), Xis a repeating unit obtainable by polymerization of an ethylenic unsaturated group; Yis a side chain comprising a linear or branched polysiloxane structure, the polysiloxane structure comprising a repeating unit represented by the following general formula (2) and having a polymerization degree of 5 to 300; and Zis a linking group linking the repeating unit Xand the side chain Y; wherein in the general formula (2), Rand Rare each independently an organic group having a carbon number of 1 to 18.