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. 02, 2023
Filed:
Jul. 13, 2022
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Tsuyoshi Yuki, Otsu, JP;
Yasuo Arai, Kawasaki, JP;
Tomohiro Matsuda, Tokyo, JP;
Nobuhiro Kishida, Yokohama, JP;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 145/14 (2006.01); C10M 169/04 (2006.01); C10N 20/04 (2006.01);
U.S. Cl.
CPC ...
C10M 145/14 (2013.01); C10M 169/041 (2013.01); C10M 2203/003 (2013.01); C10M 2209/084 (2013.01); C10N 2020/04 (2013.01);
Abstract
An additive composition contains a viscosity index improver and a pour point depressant. A process can be used for preparing the additive composition. The additive composition can be used as a lubricant additive in a lubricating oil formulation, and lubricating oil formulations can contain the additive composition.