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:
Apr. 14, 2026
Filed:
Sep. 28, 2022
Yunnan Huapu Quantum Material Co., Ltd, Kunming, CN;
Chongqing Institute of East China Normal University, Chongqing, CN;
East China Normal University, Shanghai, CN;
Roi Optoelectronics Technology Co, Ltd., Shanghai, CN;
Chongqing Huapu Scientific Instrument Co., Ltd., Chongqing, CN;
Chongqing Huapu Intelligent Equipment Co., Ltd., Chongqing, CN;
Guangdong Roi Optoelectronics Technology Co., Ltd., Dongguan, CN;
YUNNAN HUAPU QUANTUM MATERIAL CO., LTD, Kunming, CN;
CHONGQING INSTITUTE OF EAST CHINA NORMAL UNIVERSITY, Chongqing, CN;
EAST CHINA NORMAL UNIVERSITY, Shanghai, CN;
ROI OPTOELECTRONICS TECHNOLOGY CO, LTD., Shanghai, CN;
CHONGQING HUAPU SCIENTIFIC INSTRUMENT CO., LTD., Chongqing, CN;
CHONGQING HUAPU INTELLIGENT EQUIPMENT CO., LTD., Chongqing, CN;
GUANGDONG ROI OPTOELECTRONICS TECHNOLOGY CO., LTD., Dongguan, CN;
Abstract
A process for preparing a graphene quantum material includes: providing a carbon-containing precursor; decomposing the carbon-containing precursor with ultra-fast laser to obtain the graphene quantum material; optionally reducing graphene oxide into graphene with laser; and optionally subjecting the graphene quantum material to microwave heating.