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:
Oct. 04, 2022
Filed:
May. 29, 2019
Applicants:
Jikan Techno, Inc., Hyogo, JP;
Hideo Sakamoto, Aichi, JP;
Takahiro Kinoshita, Hyogo, JP;
Inventors:
Takahiro Kinoshita, Hyogo, JP;
Keishin Ota, Ibaraki, JP;
Assignees:
JIKAN TECHNO, INC., Hyogo, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/184 (2017.01); C10B 53/02 (2006.01); C10B 49/02 (2006.01); C10B 57/04 (2006.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C01B 32/184 (2017.08); C10B 49/02 (2013.01); C10B 53/02 (2013.01); B82Y 40/00 (2013.01); C01B 2204/30 (2013.01); C10B 57/04 (2013.01);
Abstract
A method for producing graphene includes: a pretreatment process of drying and pulverizing a vegetable material to obtain a carbon source; a carbonization process of carbonizing the carbon source to obtain a carbide; and a purification process of removing an impurity containing silica from the carbide obtained in the carbonization process, wherein the carbonization process including a heating process of supplying an inert gas into a chamber and heating the carbon source in the chamber in a plasma atmosphere.