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. 31, 2020
Filed:
Feb. 22, 2018
Applicant:
Chevron Japan Ltd., San Ramon, CA (US);
Inventors:
Koichi Kubo, Yokohama, JP;
Masami Fuchi, Makinohara, JP;
Takahiro Nakagawa, Makinohara, JP;
Naoya Sasaki, Matsudo, JP;
Satoshi Ohta, Matsudo, JP;
Assignee:
Chevron Japan LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 101/00 (2006.01); C10M 125/24 (2006.01); C10M 133/44 (2006.01); C10M 135/10 (2006.01); C10M 137/04 (2006.01); C10M 137/08 (2006.01); C10M 141/10 (2006.01); C10M 163/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 101/00 (2013.01); C10M 125/24 (2013.01); C10M 133/44 (2013.01); C10M 135/10 (2013.01); C10M 137/04 (2013.01); C10M 137/08 (2013.01); C10M 141/10 (2013.01); C10M 163/00 (2013.01); C10M 2201/085 (2013.01); C10M 2203/003 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/022 (2013.01); C10M 2207/28 (2013.01); C10M 2209/084 (2013.01); C10M 2215/042 (2013.01); C10M 2215/223 (2013.01); C10M 2215/28 (2013.01); C10M 2215/30 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10M 2219/106 (2013.01); C10M 2223/043 (2013.01); C10M 2223/049 (2013.01); C10N 2230/04 (2013.01); C10N 2230/06 (2013.01); C10N 2230/42 (2013.01); C10N 2230/52 (2013.01); C10N 2230/76 (2013.01); C10N 2240/042 (2013.01); C10N 2240/045 (2013.01);
Abstract
The present invention generally relates to lubricating oil compositions useful for automatic transmissions, and particularly transmission oils for automotive automatic transmissions and/or continuously variable transmissions using wet clutch systems, in particular wet paper clutch containing a small amount of cellulose fiber and/or aramid fiber.