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:
Sep. 08, 2015
Filed:
Aug. 20, 2014
Applicants:
Chien-an Chen, Hsin Chu, TW;
Yi-wen Chen, Hsin Chu, TW;
Inventors:
Chien-An Chen, Hsin Chu, TW;
Yi-Wen Chen, Hsin Chu, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/64 (2006.01); C07C 29/00 (2006.01); C07C 47/19 (2006.01); C07C 29/38 (2006.01); C07C 47/04 (2006.01); B01J 31/24 (2006.01);
U.S. Cl.
CPC ...
C07C 47/19 (2013.01); B01J 31/2409 (2013.01); C07C 29/38 (2013.01); C07C 47/04 (2013.01); B01J 2231/44 (2013.01); B01J 2531/821 (2013.01); B01J 2531/822 (2013.01);
Abstract
A process for preparing ethylene glycol comprising: forming intermediums of formaldehyde and glycolaldehyde to synthetize ethylene glycol by reacting methanol with methanol in the presence of a catalyst composition comprising rhodium catalysts and ruthenium catalysts at a temperature between 50-150° C. and a pressure between 0-40 kg/cmG.