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:
Feb. 23, 1993
Filed:
Mar. 25, 1992
Applicant:
Inventors:
Kenichi Sano, Oita, JP;
Masaaki Nishiyama, Oita, JP;
Toshiro Suzuki, Oita, JP;
Shoichiro Wakabayashi, Oita, JP;
Kuniaki Miyahara, Oita, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560205 ; 560245 ;
Abstract
A lower fatty acid ester such as ethyl acetate or ethyl acrylate is prepared by a process in which a lower fatty acid such as acetic acid or acrylic acid is reacted with a lower olefin such as ethylene by using as solid catalyst a heteropoly-acid or its salt. The esterification is carried out in gaseous phase.