国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（2）
IPC小类 B01J（4） B01D（2） C02F（2）
IPC B01J020/22（4）
发明人 WANG J（4）
公开年 2022（2）
申请年 2021（2） 
专利权人

Preparing fine-grained high-purity oxygen-free copper plate comprises e.g. cleaning hearth of electron beam cooling bed smelting furnace, heating hot-pressed slab, milling milled hot-rolled billet up and down, annealing semi-finished sheet material, and cutting according to product shape.

WANG W, WANG C, LIU X, LIU Q, ZHOU B, WANG J, SUN J, LIANG X, WANG Q

Preparation of modified graphene film used in system for capturing carbon dioxide in air, involves reducing graphene oxide sheets to obtain graphene sheets, using quaternary amine compounds to modify graphene sheet and preparing porous modified graphene membrane.

ZHANG Y, WANG J, XU S, BAI H

Preparing three-dimensional printing reduced graphene oxide filter core useful for processing uranium-containing wastewater comprises e.g. preparing expanded graphite by adding solid ammonium nitrate and sodium acetate and stirring.

ZHANG Q, ZHANG J, SONG F, WANG J, LIU B

Preparing graphene-carbon nanotube composite adsorbent, which is used to remove aqueous solution of tetracycline, involves weighing graphene oxide solution and ultrasonically stripping to obtain graphene oxide.

HAN S, LI Y, WANG J, YU F, SUN S