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国家/地区
IPC部
A(2)
IPC大类
B01(2)
IPC小类
C01B(2)
IPC
C01B032/194(2)
发明人
公开年
2022(2)
申请年
2022(2)
专利权人
Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.
PROMNIMIT A
Preparing perfume volatile medium graphite core rod useful in the field of perfume volatile materials, comprises e.g. placing N-methyl-2-pyrrolidone in glass reactor, adding eugenol, reacting graphene oxide dispersion liquid and polyamic acid solution, heating the composite sponge and drying.
LOU L
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