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. 26, 1985
Filed:
Jul. 06, 1984
Applicant:
Inventors:
Carl M Lentz, Mt. Carmel, TN (US);
James R Overton, Kingsport, TN (US);
David D Cornell, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560103 ; 560100 ; 560105 ; 562406 ; 564180 ; 564183 ; 564166 ; 568 38 ; 546298 ; 549 71 ; 549 72 ; 549505 ; 549506 ;
Abstract
The present invention provides a process for the preparation of aryl carboxylic acids and derivatives thereof by the carbonylation of aryl sulfonyl chlorides. The aryl sulfonyl chlorides are reacted with carbon monoxide and water or an alcohol or amine in the presence of a zero-valent metal catalyst consisting essentially of palladium.