国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01G049/08（4）
发明人 LIU H（4）
公开年 2021（2）
申请年 2021（2） 
专利权人

Porous ferroferric oxide powder comprises starch, wave-absorbing filler, dispersing agent, and ferric nitrate.

LIU M, LIU H

Preparation method of carbon foam material for electromagnetic wave absorption application, involves mixing mixed solution of paraffin wax and ferroferric oxide with aqueous dispersion of nanocellulose and graphene oxide, ultrasonically treating, freezing, and annealing composite foam.

HE Y, LONG Q, LIU H

Preparation of magnetic graphene oxide-laccase for decolorization of malachite green dye, involves preparing magnetic graphene oxide, dispersing in citrate phosphate buffer solution, heat preserving, and separating.

QIAO W, LIU H, FU B

Graphene-supported ferroferric oxide absorbing material synthesis method using ascorbic acid reducing agent involves dispersing graphene oxide in water, obtaining graphene oxide dispersion, and adding ferric chloride hexahydrate solution.

WANG B, LIU H, ZHENG Z