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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.:

US 9012679 B1

PDFFull Text
Expired
Date of Patent:
Apr. 21, 2015

Filed:

Oct. 15, 2012

Method for continuously preparing carboxylic acid ester

Applicant:

China Petrochemical Development Corporation, Taipei, TW;

Inventors:

Jih-Dar Hwang, Taipei, TW;

Yung-Shun Kung, Taipei, TW;

Yao-Ching Tsai, Taipei, TW;

Assignee:

China Petrochemical Development Corporation, Taipei, TW;

Attorneys:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Peter F. Corless

Primary Examiner:

Yate K Cutliff

Int. Cl.
CPC ...
C07C 67/03 (2006.01); C07C 67/08 (2006.01); C07C 69/14 (2006.01); C07C 69/24 (2006.01); C07C 69/40 (2006.01); C07C 69/42 (2006.01); C07C 69/44 (2006.01); C07C 69/50 (2006.01); C07C 69/54 (2006.01); C07C 69/60 (2006.01); C07C 69/78 (2006.01); C07C 69/80 (2006.01);
U.S. Cl.
CPC ...
C07C 67/08 (2013.01); C07C 69/14 (2013.01); C07C 69/24 (2013.01); C07C 69/40 (2013.01); C07C 69/42 (2013.01); C07C 69/44 (2013.01); C07C 69/50 (2013.01); C07C 69/54 (2013.01); C07C 69/60 (2013.01); C07C 69/78 (2013.01); C07C 69/80 (2013.01);
Abstract

A method for continuously preparing a carboxylic acid ester is disclosed. In the method of the present invention, a vertical reactor is filled with a solid catalyst, a carboxylic acid and an alcohol are introduced into a lower part of the vertical reactor, esterification is performed to form an esterized mixture, the esterized mixture is output from an upper part of the vertical reactor, and distillation is performed to isolate the carboxylic acid ester. The method of the present invention is simple, easily controlled and environmental friendly, and has significantly high conversion rate and selectivity.

Find Patent Forward Citations

Hwang, Jih-Dar. (2015). Method for continuously preparing carboxylic acid ester (U.S. Patent No. 9012679). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9012679

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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