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:
Dec. 17, 2013
Filed:
Jul. 21, 2003
Applicants:
Hidenobu Mikami, Kuwana, JP;
Takayuki Kawamura, Kuwana, JP;
Mitsunari Asao, Kuwana, JP;
Eiichirou Shimazu, Kuwana, JP;
Inventors:
Hidenobu Mikami, Kuwana, JP;
Takayuki Kawamura, Kuwana, JP;
Mitsunari Asao, Kuwana, JP;
Eiichirou Shimazu, Kuwana, JP;
Assignee:
NTN Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 115/08 (2006.01); C10M 169/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a nitrite free grease composition having an oil base, a thickener, and several additives, including a metal salt of dibasic acid. The metal salt having sub-groups that can either be aliphatic or aromatic hydrocarbons. Additionally, the present invention relates to a grease-sealed bearing with a longer lifetime and excellent rust preventative properties.