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:
May. 12, 1998
Filed:
Jun. 03, 1996
Applicant:
Inventors:
Assignee:
ELF Atochem S.A., Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560205 ;
Abstract
This process for the manufacture of sec-butyl acrylate by reaction of acrylic acid and at least one butene in the presence of a macroporous cationic resin containing sulphonic acid groups is characterized in that the reaction is carried out using a molar ratio of the acrylic acid to the butene(s) used which is greater than 1, the crude reaction product comprising residual acrylic acid, dissolved butene isomers, the desired sec-butyl acrylate, octenes, 2-butanol and heavy addition products, and in that the desired sec-butyl acrylate is separated from the crude reaction product.