国家/地区 中国（5）
IPC部 C（5）
IPC大类 C08（5）
IPC小类 C08J（5）
IPC C08L005/08（5）
发明人 LI L（5）
公开年 2021（2）
申请年 2020（2） 
专利权人 BEIJING GRAP.（2） BEIJING HUAQ.（2）

Magnetic graphene oxide multilayer nano- composite material immobilized tannase, comprises genipin to activate function and tannase bonding on carrier.

LI L, LIU P, LIU B, GAO F, GUO M, HAN Y, ZHANG Y, LI J, SONG L, WU J, HUAN W

Preparation of chitosan-graphene oxide composite gel by preparing mineralized collagen powder, and mixing chitosan-mineralized collagen composite solution and dimethylformamide-polyethylene glycol crosslinking agent solution.

HU K, HU M, YANG G, WANG H, LI L, WEI Y

Preparing hyaluronic acid-graphene oxide composite gel, comprises adding HA powder to MC solution in batches and stirring to make HA powder fully dispersed and combined.

HU K, YANG G, HU M, WANG H, LI L, WEI Y

Polyvinyl alcohol-chitosan-graphene oxide sponge comprises polyvinyl alcohol, chitosan, inorganic acid, formaldehyde, foaming agent, graphene oxide and water.

CHEN J, LI L, ZHANG Q, YU X, HUANG H

Composite hydrogel useful for adsorption of heavy metal ions and heavy metals in industrial sewage treatment, comprises polyvinyl alcohol, chitosan, graphene oxide and sodium alginate.

CHEN M, DONG W, DUAN F, MA P, SHI D, LI L