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:
Jan. 12, 1988
Filed:
Aug. 05, 1985
Toyota Jidosha Kabushiki Kaisha, Tokyo, JP;
Toa Nenryo Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A wear-resistant, synthetic lubricating oil composition comprises as a base oil a synthetic oil mixture consisting of (A) a diester of an aliphatic dibasic acid having 4-14 carbon atoms and an alcohol having so many carbon atoms or a mixture of several such diesters and having a viscosity at 100.degree. C. of 2.0-7.0 mm.sup.2 /s, and (B) a polyoxyalkylene glycol whose alkylene group contains 2-5 carbon atoms or a mixture of several such glycols and having a viscosity at 100.degree. C. of at least 20 mm.sup.2 /s. The base oil exhibits viscosity values of 9 mm.sup.2 /s or above at 100.degree. C. and 6.times.10.sup.4 mPa.s or below at -40.degree. C.