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:
May. 17, 2016
Filed:
Mar. 03, 2011
Applicants:
Hiroki Sekiguchi, Sodegaura, JP;
Akihiro Shishikura, Tokyo, JP;
Nobuhide Tanino, Ichihara, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/50 (2006.01); C10M 129/52 (2006.01); C10M 105/28 (2006.01); C10M 105/30 (2006.01); C10M 105/40 (2006.01); C10M 169/04 (2006.01); B22F 1/00 (2006.01); B22F 3/02 (2006.01);
U.S. Cl.
CPC ...
C10M 129/50 (2013.01); C10M 105/28 (2013.01); C10M 105/30 (2013.01); C10M 105/40 (2013.01); C10M 129/52 (2013.01); C10M 169/04 (2013.01); B22F 2001/0066 (2013.01); B22F 2003/023 (2013.01); C10M 2201/041 (2013.01); C10M 2207/141 (2013.01); C10M 2207/1403 (2013.01); C10M 2207/2885 (2013.01); C10N 2220/082 (2013.01); C10N 2240/402 (2013.01); C10N 2240/404 (2013.01); C10N 2240/58 (2013.01); C10N 2250/12 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A powder metallurgy lubricant includes an aromatic carboxylic acid represented by a formula (1),(Z)n-Ar—COOH  (1)where Ar represents an aryl group and Z represents a substituent directly bonded to the above aryl group and is one of R, OR, OCOR and COOR, R representing one of an alkyl group, alkenyl group and alkynyl group and n being an integer in a range from 1 to 4. Z may be mutually the same or different when n is 2 or larger.