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:
Oct. 07, 1986
Filed:
Mar. 12, 1981
Applicant:
Inventors:
Louis A Kapicak, Charleston, WV (US);
Joseph P Henry, South Charleston, WV (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560204 ; 502152 ; 502327 ; 560190 ;
Abstract
A process is disclosed for preparing a diester of oxalic acid by contacting carbon monoxide and an ester of nitrous acid in the vapor state under a pressure in the presence of a special palladium supported catalyst.