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:
Aug. 24, 1976
Filed:
Apr. 02, 1975
Applicant:
Inventors:
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ;
Abstract
Carboxylable substrates i.e., ketones, esters, nitroparaffins and nitriles, containing activated hydrogen atoms are carboxylated by reaction with alkaline phenates and CO.sub.2 in at least one hydrocarbon solvent selected from aliphatic, alicyclic, aromatic and alkyl-aromatic hydrocarbon solvents.