国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5） C07（5）
IPC小类 B01J（5）
IPC C07D307/60（4） B01J027/198（3）
发明人 ZHANG D（5）
公开年 2021（3）
申请年 2019（3） 
专利权人 CHINA PETROL.（5） SINOPEC BEIJ.（4）

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

Catalyst useful in preparing maleic anhydride by oxidation of benzene comprises carrier and active component supported on carrier, where the carrier is composite carrier comprising nano-carbon material and silicon carbide.

FENG Y, ZHANG Z, SHI H, ZHANG D

Catalyst useful for preparing phthalic anhydride by naphthalene oxidation, comprises carrier, active component and heat conducting material.

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

Catalyst useful for preparing phthalic anhydride by oxidation of o-xylene, comprises carrier, vanadium, phosphorus and cesium compound, auxiliary agent comprising e.g. at least one of rubidium, cerium or niobium and heat-conducting material.

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

Catalyst useful for oxidation of benzene to maleic anhydride, comprises catalyst carrier, active component and heat-conducting material.

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