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:
Sep. 02, 2025
Filed:
May. 12, 2020
Applicant:
Arcelormittal, Luxembourg, LU;
Inventors:
Thi Tan Vu, Oviedo, ES;
David Noriega Perez, Oviedo Asturias, ES;
Roberto Suarez Sanchez, Aviles Asturias, ES;
Assignee:
ArcelorMittal, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/23 (2017.01);
U.S. Cl.
CPC ...
C01B 32/23 (2017.08); C01B 2204/04 (2013.01); C01B 2204/30 (2013.01);
Abstract
A method for the manufacture of reduced graphene oxide from kish graphite including: A. The provision of kish graphite, B. Optionally, a pre-treatment of kish graphite, C. The intercalation of kish graphite with a persulfate salt and an acid at room temperature to obtain intercalated kish graphite, D. The expansion of the intercalated kish graphite to obtain expanded kish graphite and E. An oxidation step of the expanded kish graphite to obtain graphene oxide and F. A reduction of graphene oxide into reduced graphene oxide.