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.:

US 8242065 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 14, 2012

Filed:

Oct. 02, 2007
Applicants:

Wataru Sawaguchi, Ibaraki, JP;

Toshio Nitta, Ibaraki, JP;

Inventors:

Wataru Sawaguchi, Ibaraki, JP;

Toshio Nitta, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 147/02 (2006.01); C10M 133/20 (2006.01); C10M 129/38 (2006.01); C10M 137/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A grease composition, which comprises a base oil selected from at least one of synthetic hydrocarbon oil, ester-based synthetic oil, and ether-based synthetic oil; a thickening agent selected from at least one of lithium-based soap, lithium-based complex soap, and a urea-based compound; polytetrafluoroethylene resin powders having a number average molecular weight Mn of 20,000-100,000; and zinc dialkyldithiophosphate having straight or branched alkyl groups of at least 3 carbon atoms, preferably 5-13 carbon atoms, and more preferably 8-12 carbon atoms, has not only a distinguished lubricability, when applied to plastic members, but also a distinguished durability as given by change in friction coefficient and wear loss, after the sliding test.


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Sawaguchi, Wataru. (2012). Grease composition (U.S. Patent No. 8242065). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8242065

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