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:
Mar. 29, 1977
Filed:
Sep. 15, 1975
Applicant:
Inventor:
Willem J de Klein, Dieren, NL;
Assignee:
Akzo N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
260413 ; 2603436 ; 2603 / ; 2605 / ; 2605 / ; 2605 / ; 260546 ;
Abstract
A process is disclosed for making an (ar)alkane carboxylic acid in high yield when reacting an (ar)alkene with a carbonyl compound having at least one hydrogen atom attached to the alpha-carbon atom in the presence of a manganese compound which is at least trivalent by observing the following reaction parameters: (a) having at least 60% by weight of a carboxylic anhydride in the carbonyl compound, (b) having a manganese compound concentration of from 10.sup.-.sup.3 to 10.sup.-.sup.10 moles/l and (c) maintaining the (ar)alkene concentration below 0.1 mole/l.