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. 29, 1992
Filed:
Mar. 04, 1991
Applicant:
Inventors:
Hiroshi Sato, Ehime, JP;
Hiroshi Yoshioka, Ehime, JP;
Assignee:
Sumitomo Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560205 ; 560265 ;
Abstract
Disclosed is a process for producing an organic carboxylic acid ester from an organic carboxylic acid corresponding to said organic carboxylic acid ester and an alcohol by esterification reaction in gas phase which comprises carrying out the reaction with continuously or intermittently feeding sulfuric acid as a catalyst component in the presence of a catalyst carrier. The sulfuric acid may be previously supported on the catalyst carrier.