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.:
Date of Patent:
Mar. 29, 2022
Filed:
Nov. 08, 2016
Applicant:
Nippon Shokubai Co., Ltd., Osaka, JP;
Inventors:
Hironobu Ono, Hyogo, JP;
Osamu Konosu, Osaka, JP;
Shin-ichi Okuoka, Osaka, JP;
Syun Gohda, Osaka, JP;
Shusuke Kamata, Hyogo, JP;
Yuichi Sato, Osaka, JP;
Yuta Nishina, Okayama, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/198 (2017.01); C01B 32/23 (2017.01); C01B 32/192 (2017.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C01B 32/23 (2017.08); C01B 32/192 (2017.08); C01B 32/198 (2017.08); B82Y 40/00 (2013.01); C01P 2002/72 (2013.01); C01P 2002/82 (2013.01); C01P 2002/85 (2013.01);
Abstract
The present invention provides a safe and highly efficient method for producing graphite oxide. The present invention relates to a method for producing graphite oxide by oxidizing graphite, the method including the step of oxidizing graphite by adding a permanganate to a liquid mixture containing graphite and sulfuric acid while maintaining the concentration of heptavalent manganese at 1% by mass or less in 100% by mass of the liquid mixture.