国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B035/622（3）
发明人 WANG Y（3）
公开年 2022（3）
申请年 2021（3） 
专利权人

Preparation of permanent magnet ferrite for electronic device, involves mixing oxide and carbonate powders to form premix, pre-burning mixture to obtain rare earth-free doped permanent magnet ferrite, pulverizing, adding surfactant, additives, crushing and mixing to obtain slurry, and grinding.

DING R, LIU L, WANG Y, DENG Z

Preparing coal gangue-based heating material comprises mixing coal gangue including alumina, silica, iron(III) oxide, titanium dioxide, sulfur dioxide and carbon, graphene, carbon nanotubes and/or conductive carbon black and binding agent e.g. silica sol, trapping, pressing, and sintering.

REN F, LIU J, WANG Y

Preparation of composite structure wave absorbing material for mobile communication application, involves compacting boron carbon nitride/iron oxide-doped monofilament fibers into preform, needle punching, vacuum impregnating with organic mixed solvent of graphene and asphalt, curing and cracking.

WANG Y, SUN Y, FAN L, HAO H, LI J, WANG K, LIU Q, ZHAO W, ZHANG T