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:
Jul. 21, 2015
Filed:
Apr. 24, 2007
Applicants:
Toshiaki Endo, Fujisawa, JP;
Yuji Onuki, Fujisawa, JP;
Yutaka Imai, Fujisawa, JP;
Inventors:
Assignee:
KYODO YUSHI CO., LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/02 (2006.01); F16C 33/66 (2006.01);
U.S. Cl.
CPC ...
C10M 169/02 (2013.01); F16C 33/6633 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/0406 (2013.01); C10M 2207/128 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/2835 (2013.01); C10M 2207/301 (2013.01); C10M 2215/064 (2013.01); C10M 2215/1026 (2013.01); C10M 2219/044 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2240/02 (2013.01); C10N 2250/10 (2013.01);
Abstract
A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I):R—NHCONH—R—NHCONH—R,  (I)