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. 04, 2020
Filed:
Mar. 14, 2019
Applicant:
Cpc Corporation, Taiwan, Kaohsiung, TW;
Inventors:
Ching-Fa Chi, Chiayi, TW;
Ying-Chien Yang, Chiayi, TW;
Yi-Hui Chen, Chiayi, TW;
Yih-Ping Wang, Chiayi, TW;
Chyi-Liuh Ho, Chiayi, TW;
Assignee:
CPC CORPORATION, TAIWAN, Kaohsiung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/303 (2006.01); B01J 27/13 (2006.01); B01J 21/04 (2006.01); B01J 21/10 (2006.01);
U.S. Cl.
CPC ...
C07C 67/303 (2013.01); B01J 21/04 (2013.01); B01J 21/10 (2013.01); B01J 27/13 (2013.01);
Abstract
The present invention discloses a process for making alicyclic polycarboxylic acids or their derivatives, referring to a process for hydrogenating aromatic polycarboxylic acids or their derivatives in the presence of hydrogen and a catalyst to form alicyclic polycarboxylic acids or their derivatives, and the catalyst comprises at least one active metal of group VIIIB transition elements of the periodic table of elements, and a catalyst support comprising group IIA and group IIIA elements in a specific weight ratio.