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:
Aug. 08, 2017
Filed:
Mar. 05, 2015
Applicant:
Jiangsu Sinorgchem Technology Co., Ltd., Taizhou, Jiangsu Province, CN;
Inventor:
Shiming Gao, Shanghai, CN;
Assignee:
Jiangsu Sinorgchem Technology Co., Ltd., Taizhou, Jiangsu, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/24 (2006.01); B01J 37/08 (2006.01); B01J 37/18 (2006.01); B01J 23/72 (2006.01); B01J 23/80 (2006.01); B01J 23/83 (2006.01);
U.S. Cl.
CPC ...
C07C 209/24 (2013.01); B01J 23/72 (2013.01); B01J 23/80 (2013.01); B01J 23/83 (2013.01); B01J 37/08 (2013.01); B01J 37/18 (2013.01);
Abstract
Method for pretreating the copper-based catalyst having the steps of dehydrating the copper-based catalyst at an elevated temperature, reducing the dehydrated copper-based catalyst with hydrogen, and passivating the activated copper-based catalyst to obtain a catalyst suitable for N-alkylation. The dehydration and reduction steps may be conducted simultaneously.