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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 11518889 B1

PDFFull Text
Date of Patent:
Dec. 06, 2022

Filed:

Feb. 18, 2020

Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Taiki Watanabe, Akishima, JP;

Akiko Kitao, Kawasaki, JP;

Koichi Suzuki, Yokohama, JP;

Yuma Kobayashi, Kawasaki, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Venable LLP

Primary Examiner:

William D Young

Int. Cl.
CPC ...
C09C 1/44 (2006.01); C08K 9/06 (2006.01); C08K 3/04 (2006.01); C09D 5/24 (2006.01); C09D 7/62 (2018.01); C07C 15/085 (2006.01); C07C 15/08 (2006.01); C07C 25/13 (2006.01); C07C 255/50 (2006.01); C07C 205/06 (2006.01); C07C 49/78 (2006.01); C07C 233/65 (2006.01); C07C 233/78 (2006.01); C07C 63/16 (2006.01); C07F 9/38 (2006.01); C08G 77/42 (2006.01);
U.S. Cl.
CPC ...
C09C 1/44 (2013.01); C07C 15/08 (2013.01); C07C 15/085 (2013.01); C07C 25/13 (2013.01); C07C 49/78 (2013.01); C07C 63/16 (2013.01); C07C 205/06 (2013.01); C07C 233/65 (2013.01); C07C 233/78 (2013.01); C07C 255/50 (2013.01); C07F 9/3834 (2013.01); C08G 77/42 (2013.01); C08K 3/042 (2017.05); C08K 9/06 (2013.01); C09D 5/24 (2013.01); C09D 7/62 (2018.01); C01P 2006/22 (2013.01); C01P 2006/40 (2013.01); C08K 2201/001 (2013.01); C08K 2201/011 (2013.01);
Abstract

The modified graphene includes a structure represented by the following formula (I), wherein the modified graphene has a ratio (g/d) of an intensity 'g' of a G band to an intensity 'd' of a D band of 1.0 or more in a Raman spectroscopy spectrum thereof:Gr1-Ar1-X1-(Y1)  (I)in the formula (I), Gr1 represents a single-layer graphene or a multilayer graphene, Ar1 represents an arylene group having 6 to 18 carbon atoms, X1 represents a single bond, a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms, or a group obtained by substituting at least one carbon atom in a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms with at least one structure selected from the group consisting of —O—, —NH—, —CO—, —COO—, —CONH—, and an arylene group.

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