国家/地区 中国（4）
IPC部 B（5）
IPC大类 B82（5）
IPC小类 B82Y（5）
IPC B82Y040/00（5）
发明人 LI W（5）
公开年 2021（2） 2022（2）
申请年 2022（2） 
专利权人 UNIV ZHONGYU.（2）

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Preparation of seaweed-derived chlorine-atom-doped graphene quantum dots used for cell imaging, involves dispersing activated seaweed waste as precursor, and ethanol/trichloromethane as mixed solvent, reacting, cooling, filtering, removing insoluble carbon products, dialyzing, and drying.

ZHANG L, JIANG N, ZHOU Y, LIU J, LI W

Graphene oxide Janus nanosheet crosslinker for carbonate formations, comprises graphene oxide nanosheet has first side and second side, alkyl group bonded to the first side.

LI W, LIANG F, HUANG J

Preparing cell nucleus self-targeting fluorescent probe useful e.g. in the field of bioimaging technology comprises dispersing 1,5-diaminonaphthalene, ethanol and chloroform to obtain reaction liquid, reacting, cooling and filtering.

LI W, REN G, LIU Y, XU Y, JIANG N, SUN X

Extraction of graphene quantum dots from coffee grounds solid waste, involves adding recovered coffee residue to dilute hydrochloric acid, stirring, carrying out ultrasonic surface activation, filtering and washing with deionized water.

LI W, PAN D, WANG L, GENG B, GUO Y