国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） B32（2）
IPC小类 B01D（2）
IPC B32B003/08（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Graphene oil absorbing pad, has oil absorbing layer and leakage-proof layer sewed with quilting lines by quilting process, where adjacent quilting lines are provided with anti-skid lines.

LI J, YANG Z, HAO S, CUI S, LIU W, SONG Z, XU G, WANG G

Multilayer filtering nonwoven fabric comprises non-woven fabric surface layer, nonwoven fabric base layer, edge sealing layer and reinforcing supporting grid sheet, where periphery of non-woven fabric surface layer is provided with edge sealing layer.

ZHANG Z