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:
Sep. 23, 2025

Filed:

Apr. 27, 2020
Applicant:

Showa Denko K.k., Tokyo, JP;

Inventors:

Ryuji Monden, Tokyo, JP;

Kunio Kondo, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); C09K 3/1409 (2013.01);
Abstract

One aspect of the present invention provides a polishing method including polishing a sliding part of a machine device by producing fullerene-aggregated particles by making the sliding part slide while a polishing-agent composition containing fullerenes and a solvent of the fullerenes is applied to the sliding part.


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