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. 23, 1985
Filed:
Jul. 26, 1983
Takaharu Nakano, Yokohama, JP;
Akihiro Mochizuki, Tokyo, JP;
Morikuni Nakazato, Yamato, JP;
Tatsuro Tsuneno, Wakayama, JP;
Karonite Chemical Co., Ltd., Tokyo, JP;
Abstract
A lubricating oil composition containing esters constituted with glycerol, fatty acid and boric acid, which esters having carboxylic acid residue, glycerol residue and boric acid residue at a specific proportion. The proportion for the carboxylic acid residue and glycerol residue ranges 0-2.0 mols and 1.5-2.0 mols respectively per unit mol of a boric acid residue, and the glycerol residue is 1.2 mols or more based on 1 mol of the carboxylic acid residue. Lubricating oil additives according to the invention have almost no corrosion property in bearing portions, and do not form any solid film on themselves when allowed to stand in the air.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile