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:
Mar. 09, 2021
Filed:
Dec. 15, 2017
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Tsuyoshi Yuki, Otsu, JP;
Yasuo Arai, Ushiku, JP;
Tomohiro Matsuda, Tokyo, JP;
Nobuhiro Kishida, Tsukuba, JP;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 145/14 (2006.01); C10M 169/04 (2006.01); C08F 290/04 (2006.01); C10M 135/18 (2006.01); C10M 149/04 (2006.01); C10M 149/06 (2006.01); C10M 161/00 (2006.01); C10N 20/04 (2006.01); C10N 20/00 (2006.01); C10N 30/02 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C08F 290/048 (2013.01); C10M 135/18 (2013.01); C10M 145/14 (2013.01); C10M 149/04 (2013.01); C10M 149/06 (2013.01); C10M 161/00 (2013.01); C10M 2203/003 (2013.01); C10M 2209/084 (2013.01); C10M 2217/023 (2013.01); C10M 2217/024 (2013.01); C10M 2219/068 (2013.01); C10N 2020/04 (2013.01); C10N 2020/071 (2020.05); C10N 2030/02 (2013.01); C10N 2040/25 (2013.01);
Abstract
Selected comb polymers contain specified amounts of macromonomer and nitrogen-containing (meth)acrylates. Lubricant compositions can contain such comb polymers. The selected comb polymers can be used as solubilizers in lubricant compositions, especially in engine oil (EO) compositions.