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:
Apr. 18, 2000
Filed:
Mar. 24, 1997
Applicant:
Inventors:
Hideo Igarashi, Ichihara, JP;
Junichi Deshimaru, Ichihara, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
508364 ; 508365 ; 508379 ;
Abstract
An oil composition for continuously variable transmissions (CVT) comprising a base oil, (A) a sulfonate, (B) an ashless dispersant, (C) an acid amide, (D) an organomolybdenum compound, and (E) an amine antioxidant. The oil composition for CVT prevents the scratching phenomenon while the transmitted power is kept large in CVT of a belt type used for automatic transmissions of automobiles. The gradient in the .mu.-V characteristic can be kept positive for a long time.
Igarashi, Hideo. (2000). Oil composition for continuously variable transmissions (U.S. Patent No. 6051536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6051536
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