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. 23, 2003
Filed:
Jun. 29, 2000
Applicant:
Inventors:
Tomoyoshi Higashi, Oita, JP;
Kousuke Narumi, Oita, JP;
Hideyuki Kamei, Oita, JP;
Hiroshi Uchida, Oita, JP;
Assignee:
Showa Denko K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/902 ; C07C 6/704 ;
U.S. Cl.
CPC ...
C07C 6/902 ; C07C 6/704 ;
Abstract
A catalyst for producing lower fatty acid esters through esterification of a lower aliphatic carboxylic acid with a lower olefin, comprising a heteropoly acid or a, salt thereof held on a carrier, and having a specific surface area of the catalyst, as measured by a BET method, of 65 m /g-350 m /g. A process for producing the catalyst and a process for producing a lower fatty acid ester by using the catalyst are also provided.