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:
Jun. 25, 2002
Filed:
Apr. 16, 2001
Applicant:
Inventors:
Hsi-Yen Hsu, Hsinchu, TW;
Ching-Tang Lin, Hsinchu, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/116 ; B01J 2/034 ; B01J 3/862 ; B01J 3/100 ;
U.S. Cl.
CPC ...
C07C 5/116 ; B01J 2/034 ; B01J 3/862 ; B01J 3/100 ;
Abstract
A process for recovering cobalt and manganese components from a product stream or a residue stream that resulted from a process which employs a catalyst system containing the cobalt and manganese components for oxidizing pseudocumene to trimellitic acid includes the steps of adding a precipitating agent to the product stream or the residue stream in an effective amount to react with the cobalt and manganese components in the product stream or the residue stream.
Hsu, Hsi-Yen. (2002). Recovery of metal components of a catalyst in a process for production of trimellitic acid (U.S. Patent No. 6410784). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6410784
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile