国家/地区 美国（4）
IPC部 C（4）
IPC大类 C01（4） C08（2） G01（2）
IPC小类 C01B（4）
IPC C01B032/182（4）
发明人
公开年 2021（4）
申请年 2021（4）
专利权人

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Multilayer structure used for forming acoustic transducers diaphragm, comprises core layer and skin layer covering core layer and contains at least graphitic material containing graphene oxide, reduced graphene oxide, graphene, graphite oxide, reduced graphite oxide and graphite.

HU K, LI X, GASKELL R, AFTER K, LEE S

Carbon material useful in conductive composition for forming conductive film and used in electricity storage device, comprises carbon hexagonal network surface as basic framework, where boron element is doped to replace carbon element.

YASUYUKI M, HIROTO W, YUKA M, MOROISHI Y, WATANABE H, MIYAFUSA Y, MIYAFUSAYUKA

Apparatus for producing carbon nanoparticles and aggregates, has reaction zone to receive hydrocarbon gas and to thermally crack hydrocarbon gas, heating element arranged within reaction zone and to heat hydrocarbon gas, and output coupled to reaction zone, and to output carbon aggregates.

SINGH S, TANNER D, ANZELMO B H, GHEZELBASH H, COOK D