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:
Apr. 01, 2025

Filed:

Oct. 16, 2019
Applicant:

Nanotek Instruments, Inc., Dayton, OH (US);

Inventors:

Yi-jun Lin, Taoyuan, TW;

Hsuan-Wen Lee, Taoyuan, TW;

Aruna Zhamu, Springboro, OH (US);

Bor Z. Jang, Centerville, OH (US);

Assignee:

Global Graphene Group, Inc., Dayton, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/192 (2017.01); B82Y 40/00 (2011.01); C01B 32/198 (2017.01); B82Y 30/00 (2011.01); C01B 32/196 (2017.01);
U.S. Cl.
CPC ...
C01B 32/192 (2017.08); C01B 32/198 (2017.08); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01B 32/196 (2017.08); C01B 2204/02 (2013.01); C01B 2204/04 (2013.01);
Abstract

Provided is a process for manufacturing a graphene material, the process comprising (a) injecting a rust stock into a first end of a continuous reactor having a toroidal vortex flow, wherein the first stock comprises graphite and a non-oxidizing liquid (or, alternatively, graphite, an acid, and an optional oxidizer) and the continuous flow reactor is configured to produce the toroidal vortex flow, enabling the formation of a reaction product suspension or slurry at the second end, downstream from the first end, of the continuous reactor; and (b) introducing the reaction product suspension/slurry from the second end back to enter the continuous reactor at or near the first end, allowing the reaction product suspension/slurry to form a toroidal vortex flow and move down to or near the second end to produce a graphene suspension or graphene oxide slurry. The process may further comprise repeating step (b) for at least one time.


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