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.

Date of Patent:
Dec. 31, 2002

Filed:

Aug. 09, 2001
Applicant:
Inventors:

Keiji Tanaka, Tokyo, JP;

Yoshihisa Yatsuzuka, Tokyo, JP;

Ryuichi Masumori, Tokyo, JP;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
C10M / ; C10M / ;
Abstract

A lubricant composition and a ball joint are disclosed. The lubricant composition has about 100 parts by weight of a viscous material chosen from polyisoprene rubber or a viscous composition of a polyisoprene rubber viscous substance, about 15-45 parts by weight of at least one compound chosen from a specific group of aliphatic amides or a specific group of aliphatic bisamides and about 5-30 parts by weight of at least one wax chosen from polyethylene wax, paraffin wax and microcrystalline wax. A ball joint is disclosed that contains this lubricant composition.


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