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. 21, 2004
Filed:
Jan. 03, 2001
Applicant:
Inventors:
Simon Frederick Thomas Froom, Snaith, GB;
Stephen Robert Hodge, Beverley, GB;
Witold Franciszek Pacynko, Beverley, GB;
Assignee:
BP Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/704 ; C07C 6/700 ; C07C 6/748 ;
U.S. Cl.
CPC ...
C07C 6/704 ; C07C 6/700 ; C07C 6/748 ;
Abstract
Process for the production of lower aliphatic esters comprising reacting a lower olefin with a saturated lower aliphatic monocarboxylic acid in the vapor phase in the presence of a heteropolyacid catalyst. The reaction is carried out in a plurality of reactors set up in series, and the feedstock is rendered substantially free of metallic or metal compound impurities prior to being brought into contact with the heteropolyacid catalyst.