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:
Dec. 24, 1991
Filed:
Nov. 22, 1988
Applicant:
Inventors:
Assignee:
Toa Nenryo Kogyo, K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 79 ; 252 / ; 560-1 ; 560193 ;
Abstract
A synthetic traction fluid comprising, as a base oil, at least one ester or its derivative selected from monoesters or their derivatives, and triesters or their derivatives represented by the formula ##STR1## wherein Y is independently selected from ##STR2## and --OH with A' being an ester linkage and R.sub.1 being independently selected from hydrogen and C.sub.1 to C.sub.8 alkyl groups, with the proviso that at least one Y is ##STR3## and R.sub.2 is independently selected from hydrogen and C.sub.1 to C.sub.3 alkyl groups.