国家/地区 中国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J021/18（3）
发明人
公开年 2021（3）
申请年 2020（3） 
专利权人

Rare earth carbide catalyst used in preparation of high-carbon friction material, is prepared by loading rare earth oxide on catalytic carrier.

ZHOU G, CHEN B, JIAO H, SHI W

Device useful for preparing load graphene visible light photocatalyst, has conveying support equipped with conveying clamping structure and cleaning cylinder tubes respectively provided with three cleaning ports with same structure.

ZHANG Y, GAO Z

Selective catalytic reduction catalyst composition, used for emission treatment system for treating flow of combustion exhaust gas, comprises selective catalytic reduction catalyst and binder comprising porous inorganic material.

BAUER J, DOTZEL R, MUENCH J W, PUROVA R, SCHWIEGER W, SELVAM T, SHAHID A