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:
Feb. 02, 2016
Filed:
Jul. 13, 2012
Xiaonian LI, Hangzhou, CN;
Qunfeng Zhang, Hangzhou, CN;
Xinmin Chen, Shanghai, CN;
Feng Feng, Hangzhou, CN;
Lei MA, Hangzhou, CN;
Chunshan LU, Hangzhou, CN;
Chunsheng LI, Shanghai, CN;
Xiaonian Li, Hangzhou, CN;
Qunfeng Zhang, Hangzhou, CN;
Xinmin Chen, Shanghai, CN;
Feng Feng, Hangzhou, CN;
Lei Ma, Hangzhou, CN;
Chunshan Lu, Hangzhou, CN;
Chunsheng Li, Shanghai, CN;
Jiangsu Sinorgchem Technology Co., Ltd., Taizhou, Jiangsu Province, CN;
Abstract
A sulfur-containing palladium-carbon catalyst prepared by loading palladium on an active carbon, mixing the palladium-carbon catalyst with a solvent to form a slurry, adding a sulfide to the slurry to treat the loaded palladium under a predetermined temperature, and removing liquid and drying to obtain the catalyst. The sulfur-containing palladium-carbon catalyst is suitable for making phenylene diamine rubber antioxidant with improved productivity and selectivity.