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:
Dec. 18, 1990
Filed:
Jun. 26, 1989
Applicant:
Inventor:
Roger J Card, Stamford, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568486 ; 568471 ; 568473 ; 568485 ;
Abstract
In the process for making glyoxal by catalytic oxidation of ethylene glycol in contact with catalyst comprising copper, glyoxal yield is improved and catalyst life is improved by the presence of a small amount of iodine or organic iodide in the reactant feed mixture.
Card, Roger. (1990). Vapor phase oxidation process for making glyoxal (U.S. Patent No. 4978803). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4978803
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile