国家/地区 中国（4）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC C01B032/194（6）
发明人
公开年 2022（6）
申请年 2022（5） 
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

Device for producing large diameter graphene oxide solution, has filter port provided with filter part, where filter part filters graphene oxide oxide solution in liquid storage part and small-diameter graphene oxide in solution.

CAI X, YANG X

Preparation of hybrid graphene oxide material used for preparing nanofiltration membrane for filtering dye, involves mixing graphene oxide aqueous dispersion and composite nanosphere aqueous dispersion, and preparing composite nanosphere hybrid graphene oxide material from obtained dispersion.

WANG M, ZOU R, YANG Z, LI Y, SHANG S, CHEN C, LI R, XIAO G

Preparation system for producing graphene comprises feeding module for graphene preparation material into reaction kettle, and post-processing module provided with filtering module.

LI D

Mixed solution of carboxyl graphene quantum dot includes preset amount of dispersant, adsorbent, carboxyl graphene quantum dot solution, and deionized water.

LEI B, TANG L, ZHAO P, PU X, WU M

Modified graphene oxide with nano metal particles used for e.g. treatment of water for human consumption, is prepared by mixing phosphorus pentoxide, graphite, sulfuric acid and potassium persulfate, stirring, vacuum filtering mixture and washing, and drying to obtain pre-oxidized graphite.

BERGAMASCO R, BAZANA S D L, BIADOLA Q L S, GOMES R G, FILHO B A D A, NAKAMURA C V, SUGUIURA D, OCAMPOS F T