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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 12203047 B1

PDFFull Text
Date of Patent:
Jan. 21, 2025

Filed:

Dec. 09, 2021

Defoaming agent, lubricating oil composition containing defoaming agent, and machine using lubricating oil composition

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Ryuta Fujiwara, Ichihara, JP;

Yoshiyuki Yaoita, Ichihara, JP;

Nobuyuki Koike, Ichihara, JP;

Assignee:

DIC Corporation, Tokyo, JP;

Attorneys:

Locke Lord LLP

James E. Armstrong, IV

Nicholas J. DiCeglie, Jr.

Primary Examiner:

Cephia D Toomer

Int. Cl.
CPC ...
C10M 169/04 (2006.01); C08F 220/34 (2006.01); C08F 290/06 (2006.01); C10M 149/02 (2006.01); C10M 155/02 (2006.01); C10N 20/04 (2006.01); C10N 30/18 (2006.01); C10N 40/00 (2006.01); C10N 40/04 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 169/041 (2013.01); C08F 220/343 (2020.02); C08F 220/346 (2020.02); C08F 290/068 (2013.01); C10M 149/02 (2013.01); C10M 155/02 (2013.01); C08F 2800/20 (2013.01); C10M 2203/003 (2013.01); C10M 2217/02 (2013.01); C10M 2229/041 (2013.01); C10N 2020/04 (2013.01); C10N 2030/18 (2013.01); C10N 2040/04 (2013.01); C10N 2040/25 (2013.01); C10N 2040/40 (2020.05);
Abstract

Provided is a defoaming agent showing an excellent defoaming property. Specifically, the defoaming agent includes a polymer containing as a polymerization component a polymerizable monomer (1) having a urethane bond and a fluorine-containing functional group and/or a silicone chain-containing functional group.

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Fujiwara, Ryuta. (2025). Defoaming agent, lubricating oil composition containing defoaming agent, and machine using lubricating oil composition (U.S. Patent No. 12203047). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12203047

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