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:
Jul. 30, 2013
Filed:
Jul. 29, 2010
Applicants:
Kedar Shanker Shrestha, Kakegawa, JP;
Michio Shiga, Hiratsuka, JP;
Masami Fuchi, Makinohara, JP;
Takahiro Nakagawa, Yoshida-Cyo, JP;
Inventors:
Kedar Shanker Shrestha, Kakegawa, JP;
Michio Shiga, Hiratsuka, JP;
Masami Fuchi, Makinohara, JP;
Takahiro Nakagawa, Yoshida-Cyo, JP;
Assignee:
Chevron Japan Limited, San Ramon, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 133/16 (2006.01); C10M 149/06 (2006.01); C07D 207/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branch structure in β-position with alkylenepolyamine and its derivatives derived from the bis-type alkenyl-substituted succinimide by post-treatment are of value as friction modifiers, particularly for incorporation into lubricating oils for automatic transmissions.