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:
Aug. 02, 2016
Filed:
Oct. 29, 2012
Jx Nippon Oil & Energy Corporation, Tokyo, JP;
Teppei Tsujimoto, Tokyo, JP;
Tsunetoshi Sugawara, Tokyo, JP;
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Abstract
A lubricant composition for a machining tool, containing: a lubricating base oil; and based on a total amount of the composition, 0.05 to 5% by mass of a phosphoric acid ester represented by (RO)P═O: wherein Rrepresents any of an aryl group having 6 to 15 carbon atoms and a saturated hydrocarbon group having 1 to 20 carbon atoms, and each Rmay be the same or different; 0.01 to 2% by mass of an acidic phosphoric acid ester represented by (RO)P(═O)(OH): wherein Rrepresents an alkyl group having 4 to 20 carbon atoms, n represents 1 or 2, and Rmay be the same or different; and 0.5% by mass to 5% by mass of a sulfur compound.