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:
Apr. 17, 1979
Filed:
Dec. 27, 1977
Applicant:
Inventor:
Earl W Cummins, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544194 ; 544211 ;
Abstract
In a process for the preparation of 3-substituted-1-methyl-6-substituted-amino-s-triazine-2,4(1H,3H)-diones by liquid phase cyclization in the presence of an alkali metal alkoxide or hydroxide catalyst of an alkyl-N-(N-substituted carbamoyl-N',N-dialkylamidino)-N-methylcarbamate, by which by-product alkanol, ROH, is formed in the reaction dispersion, the improvement comprising removing the by-product alkanol from the reaction dispersion by vaporization therefrom substantially as it is formed.
Cummins, Earl. (1979). Process for preparing herbicidal triazines (U.S. Patent No. 4150225). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4150225
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile