国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B22（4）
IPC小类 C01B（4）
IPC B22F009/04（2） C01B032/194（2）
发明人
公开年 2022（3）
申请年 2021（4）
专利权人

Antibacterial and antiviral filtering device crossed by contaminated air used in separation processes comprises column structure of contiguous filter modules delimited by lateral surface at inlet and lateral surface at outlet.

BUSSO G

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Ultrafast flash Joule heating synthesis method for recovering metal from e.g. ores, fly ash, and bauxite residue, involves applying voltage pulse to mixture, where mass of mixture to which voltage is applied is more than specific kilogram.

TOUR J M, DENG B, DENGBING

Composite heat-transfer material used as thermally-conductive material in electronic device, comprises carbonaceous component comprising carbonaceous material and metal component comprising metal comprising aluminum alloy or magnesium alloy bonded to surface of carbonaceous component.

TAKASHI M, TAKUYA K, MAEKAWA T, KUBO T