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:
Apr. 23, 2019
Filed:
Oct. 22, 2013
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Hiroki Sekiguchi, Ichihara, JP;
Yukitoshi Fujinami, Ichihara, JP;
Yusuke Nakanishi, Sodegaura, CN;
Kouji Takane, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 173/02 (2006.01); C10M 169/04 (2006.01); C10M 169/06 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 169/06 (2013.01); C10M 2207/1276 (2013.01); C10M 2207/1285 (2013.01); C10M 2215/064 (2013.01); C10M 2215/1026 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10N 2220/022 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2230/52 (2013.01); C10N 2240/04 (2013.01); C10N 2250/10 (2013.01);
Abstract
A grease composition contains a calcium sulfonate complex grease and an additive. The additive includes an overbased metal sulfonate and an antioxidant. The overbased metal sulfonate is preferably an overbased calcium sulfonate. The antioxidant is preferably an aminic antioxidant.