国家/地区 中国（4） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B019/00（5）
发明人
公开年 2020（3） 2021（2）
申请年 2020（5）
专利权人

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Method of monitoring production of material in liquid dispersion in real time involves supplying dispersion to fluid gap between light-transmissive layer and layer having reflective surface, illuminating and determining concentration.

PETIT C, MATAR O, STAFFORD J

Nickel-doped cobalt selenide-graphitic carbon nitride heterojunction photocatalytic hydrogen production composite catalyst includes graphitic carbon nitride modified graphene, cobalt nitrate, sodium selenite, and hydrazine hydrate.

CHEN G

Preparation of cobalt selenide/nitrogen and phosphorus co-doped graphene composite material used as electromagnetic wave absorbing material, by heating solutions of selenium powder, triphenylphosphine and cobalt acetylacetone, reacting.

ZHANG D, ZHAO J, SUN W, WANG X, YANG J

Preparation of nickel selenide-graphene composite material includes dispersing nickel dichloride hexahydrate and sodium citrate in deionized water, mixing nickel dichloride hexahydrate and sodium citrate with selenium solution and heating.

MO Z, LIU G, SHUAI C, NIU X, YANG X, WANG J, PEI H, GUO R, LIU N