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. 21, 2020
Filed:
Jun. 07, 2017
Nof Corporation, Tokyo, JP;
Hideki Kawamoto, Amagasaki, JP;
Shunsuke Monjiyama, Amagasaki, JP;
NOF CORPORATION, Tokyo, JP;
Abstract
A lubricant base oil composed of an ester. The ester includes a component (A) derived from trimethylolpropane in a molar percentage Aof 25 to 42 mol %; components (B) derived from monovalent straight-chain saturated fatty acids each having a carbon number of 8 to 12 in a molar percentage Bof 33 to 55 mol %: and a component (C) derived from adipic acid in a molar ratio Cof 12 to 34 mol %. The components (B) include lauric acid in a molar percentage of 5 to 50 mol %, and (B+C)/Ais 0.90 to 1.02. Arepresents a hydroxyl equivalent of the component (A), Brepresents a carboxyl group equivalent of the components (B); and Crepresents a carboxyl group equivalent of the component (C).