国家/地区 中国（2）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01J（3） C07D（2）
IPC B01J027/198（3）
发明人
公开年 2023（3）
申请年 2021（2） 
专利权人 CHINA PETROL.（2）

Catalyst for producing pyromellitic dianhydride from durene comprises carrier and active component loaded on carrier, where active component contains vanadium oxide, optionally phosphorus compounds, cesium compounds, auxiliary agent, heat conducting material and titanium dioxide.

ZHANG Z, ZHANG D, SHI H, YUAN B, LIU Y, AN X

N-butane oxidation catalyst useful in reaction of n-butane oxidation to maleic anhydride, comprises composite oxide of vanadium and phosphorus.

CHEN B, CHEN L, ZENG W, GU L, FENG B

Capturing and degrading per- or polyfluoroalkyl substance for use in aqueous film forming foam, involves capturing per- or polyfluoroalkyl substance from sample by combining sample with composite sorbent comprising metal-organic framework, and sorbing per- or polyfluoroalkyl substance to sorbent.

MCGRAIL B P, BARPAGA D, CHATTERJEE S, MOTKURI R K