国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2） C07C（2）
IPC B01J023/06（2）
发明人
公开年 2022（2）
申请年
专利权人

Preparing catalyst for preparing N,N-bis(3-aminopropyl)methylamine by mixing water-soluble metal salts and water, dispersing carbon-based substrate and nano titanium dioxide in water, adding mixed bimetallic salt solution, irradiating under xenon light source, freezing and vacuum freeze-drying.

QIAN C, SHEN W, WANG S, LIU F, SHI L, RUAN J

Core-shell composite catalyst useful as catalyst in one-step preparation of p-xylene by syngas, comprises core with spinel structure catalyst, and shell has molecular sieve catalyst, and binder layer set between core and shell.

TAKA U, TSUBAKI N, YANG G, CHUN F, GAO C