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:
Nov. 15, 2011
Filed:
Dec. 20, 2004
Applicants:
Satoshi Suda, Yokohama, JP;
Hideo Yokota, Yokohama, JP;
Masanori Ibi, Yokohama, JP;
Inventors:
Assignee:
Nippon Oil Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 105/38 (2006.01); C10M 101/04 (2006.01); C10M 169/04 (2006.01); C10M 135/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The oil for metal working according to the invention is an oil for metal working comprising a triester of fatty acids and glycerin, wherein the content of oleic acid in the fatty acids is 40-98% by mass based on the total amount of the fatty acids. The oil for metal working of the invention can achieve a high level of machining performance without using a chlorine-based extreme pressure agent.