国家/地区 美国（4）
IPC部 B（4）
IPC大类 C08（4） B01（2） B32（2）
C09（2）
IPC小类 C08L（4） C08K（3） B01D（2）
B32B（2） C08G（2）
IPC C08L075/08（4）
发明人
公开年 2022（2）
申请年 2021（3） 
专利权人

Selective laser sintering process for preparing highly spherical particles, involves depositing carbon nanomaterial-graft-polyurethane particles on nanomaterial surface and exposing nanomaterial grafted polyurethane particles to laser, for fusing polymer particles and forming consolidated body.

SRISKANDHA S E, FARRUGIA V M, CLARIDGE R, EMPARUZIA V, SIBANTIISWARISLISKANDA, EASWARI S, SRISKANDAR S E

Multilayer electrode for capacitive pressure sensor of e.g. rotogravure printer, involves press-rolling XY layer and co-extruded layers together for forming multi-layer electrode and printing electrically conductive ink onto polymer layer.

SALTER S C, BUTTOLO P, DELLOCK P K, GALL R, CHASCSA J R, RICHARD G

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S