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. 29, 1998
Filed:
Apr. 23, 1997
Applicant:
Inventors:
Yukio Hasegawa, Iwata, JP;
Shinichi Takabe, Iwata, JP;
Hirotsugu Kinoshita, Yokohama, JP;
Souichi Nomura, Yokohama, JP;
Fumihiro Itano, Yokohama, JP;
Assignees:
Nippon Oil Co., Ltd., Tokyo, JP;
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
508316 ; 508364 ; 508434 ; 508442 ; 508464 ; 508552 ;
Abstract
A grease composition for constant-velocity joints which is prepared by blending a lube base oil with (A) a urea-urethane thickening agent comprising a mixture of