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. 23, 1980
Filed:
Jun. 18, 1979
Applicant:
Inventors:
Tetsuo Aoyama, Niigata, JP;
Shigeru Horie, Niigata, JP;
Kozo Sano, Niigata, JP;
Hidetaka Kiga, Niigata, JP;
Kinichi Mizuno, Niigata, JP;
Takeo Ikarashi, Niigata, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Dimethyl formamide with a high purity is produced in a high yield and a high selectivity by reaction of a mixture of monomethylamine and/or monomethyl formamide and trimethylamine, or the mixture further containing dimethylamine with carbon monoxide in the presence of metallic iron or an iron compound as a catalyst and hydrogen gas at a volumic rate of H.sub.2 /CO of 0.05-3.