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:
Feb. 06, 2001
Filed:
Apr. 02, 1999
Applicant:
Inventors:
Assignee:
Tonen Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
C10M / ; C10M / ;
Abstract
The present invention provides a lubricant oil composition for an automatic and continuously variable transmission with a built-in torque converter equipped with a lock-up clutch, which is incorporated, in the base oil, with a compound containing at least one type of cyclic carboxylic acid imide having boron in the molecule and substituted by an alkyl or alkenyl group, wherein the cyclic carboxylic acid imide is contained at 0.1 to 12 wt % based on the whole composition.