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. 14, 2020
Filed:
Jun. 07, 2017
Nof Corporation, Tokyo, JP;
Shunsuke Monjiyama, Amagasaki, JP;
Hideki Kawamoto, Amagasaki, JP;
NOF CORPORATION, Tokyo, JP;
Abstract
A lubricant base oil which contains an ester. The ester constituting the lubricant base oil includes: a component (A) derived from pentaerythritol in a molar percentage Aof 20 to 30 mol %; a component (B) derived from a straight-chain fatty acid having a carbon number of 14 to 22 in a molar percentage Bof 55 to 79 mol %; and a component (C) derived from adipic acid in a molar percentage Cof 1 to 15 mol %. A molar ratio (C/C) of the component (C) derived from adipic acid and the component (B) derived from the straight-chain fatty acid having a carbon number of 14 to 22 is 0.02 to 0.25, and the ester has a hydroxyl value of 10 to 100 mgKOH/g.