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:
Jan. 14, 1986
Filed:
Jun. 13, 1983
Applicant:
Inventors:
James P Coleman, Maryland Heights, MO (US);
Dudley E McMackins, St. Charles, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549326 ; 560241 ;
Abstract
In processes for reacting acetic acid with butadiene in solvent to prepare acetoxyhexenoic acid and .gamma.-vinyl-.gamma.-butyrolactone, involving electrolytic regeneration of a metal ion oxidant such as trivalent manganese, the product separation is facilitated by using low melting electrolyte salts and separating product from salts maintained in a molten state.