The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2015
Filed:
Oct. 30, 2012
China Petroleum & Chemcial Corporation, Beijing, CN;
Fushun Research Institute of Petroleum and Petrochemicals, Sinopec, Fushun, Liaoning Province, CN;
Yanxia Zhang, Fushun, CN;
Shenghua Yuan, Fushun, CN;
Peng Gao, Fushun, CN;
Hao Zhang, Fushun, CN;
Qiuhong Fu, Fushun, CN;
Ri Duan, Fushun, CN;
China Petroleum & Chemical Corp., Beijing, CN;
Fushun Research Institute of Petroleum, Fushun, Liaoning Province, CN;
Abstract
The present disclosure provides a hydrogenation catalyst, the preparation process thereof and the application thereof in the production of 1,4-butanediol by hydrogenating dialkyl maleate and/or dialkyl succinate. The catalyst comprises Cu—Al-A-B—O, wherein A comprises at least one of Zn, Mo and W, B comprises at least one of Ba, Mn, Mg, Ti, Ce and Zr. In the process for preparing said hydrogenation catalyst, a part of Cu and A are precipitated first and the rest of Cu, Al and B are precipitated successively.