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:
Sep. 01, 1987
Filed:
May. 23, 1986
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);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562406 ; 546327 ; 548536 ; 549 71 ;
Abstract
The present invention provides a process for the preparation of aromatic dicarboxylic acids by the carbonylation of aromatic diiodides. The aromatic diiodides are reacted with carbon monoxide in the presence of a soluble rhodium catalyst in a hydrocarbon acid reaction medium to prepare the aromatic dicarboxylic acids.
Lentz, Carl. (1987). Carbonylation process for the production of aromatic dicarboxylic acids (U.S. Patent No. 4691050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4691050
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile