国家/地区 中国（3）
IPC部 B（3） C（2） D（2）
IPC大类 B01（3） B32（3） D01（2）
IPC小类 B01D（3）
IPC B32B037/10（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Laminated porous ceramic filtering material used for purifying high temperature coal gas, comprises first, second, third, fourth porous ceramic material layers arranged in sequence.

LIU J, BI C, YANG X, ZHANG J, LU Y, YUN K

Preparing composite material comprises useful e.g. for purifying air, combining one side of anti-influenza virus H1N1 non-woven fabric and graphene non-woven fabric, uniformly spraying hot melt glue, placing in a hot air oven, heating, and hot pressing pattern by hot pressing roller.

LIU S, MA L, WANG Q

Preparing graphene dust-removing cloth comprises e.g. preparing spinning solution, spraying to obtain modified graphene fiber intermediate layer; obtaining interlayer stock solution, and spraying to obtain intermediate interlayer.

LI X, ZHANG D, WEI Y, DAI J