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:
Feb. 17, 1981
Filed:
Dec. 19, 1979
Applicant:
Inventors:
Assignee:
Nitto Chemical Industry Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564132 ; 564216 ;
Abstract
A process for producing dimethylformamide which comprises reacting methanol and ammonia to give methylamines, separating a dimethylamine-trimethylamine mixture from the methylamines, and reacting the dimethylamine-trimethylamine mixture with carbon monoxide to produce dimethylformamide.