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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 10738260 B1

PDFFull Text
Date of Patent:
Aug. 11, 2020

Filed:

Aug. 08, 2017

Fullerene derivative and lubricant

Applicant:

Showa Denko K.k., Tokyo, JP;

Inventors:

Takeshi Igarashi, Tokyo, JP;

Kentaro Watanabe, Tokyo, JP;

Yasuyuki Ueda, Tokyo, JP;

Assignee:

SHOWA DENKO K.K., Tokyo, JP;

Attorney:

IPUSA, PLLC

Primary Examiner:

Christopher M Rodd

Int. Cl.
CPC ...
C10M 107/38 (2006.01); C08G 65/332 (2006.01); C10M 105/54 (2006.01); C10N 40/18 (2006.01); C10N 50/08 (2006.01); C07C 69/63 (2006.01);
U.S. Cl.
CPC ...
C10M 107/38 (2013.01); C07C 69/63 (2013.01); C08G 65/332 (2013.01); C08G 65/3324 (2013.01); C10M 105/54 (2013.01); C10M 2213/0606 (2013.01); C10N 2040/18 (2013.01); C10N 2050/08 (2013.01); Y02P 20/544 (2015.11);
Abstract

One embodiment of the present invention is a fullerene derivative represented by general formula (1) (wherein FLN is a fullerene backbone; each A is independently a monovalent group including a divalent perfluoropolyether group; each R is each independently a hydrogen atom, a hydrocarbon group, or an alkoxycarbonyl group including a divalent perfluoropolyether group; at least one of the 2m R is a hydrocarbon group or an alkoxycarbonyl group including a divalent perfluoropolyether group; m is an integer from 1 to 5; and n is an integer from 1 to 6).

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Igarashi, Takeshi. (2020). Fullerene derivative and lubricant (U.S. Patent No. 10738260). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10738260

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