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:
Mar. 25, 1980
Filed:
Nov. 22, 1978
Murray K Phibbs, Bath, CA;
Peter A Sipos, Kingston, CA;
Du Pont of Canada Limited, Montreal, CA;
Abstract
A process for the manufacture of N-(substituted)-3-aminoacrylonitriles of the formula N--(R.sub.1 R.sub.2)--CH.dbd.CH--CN where R.sub.1 is alkyl, phenyl, phenyl substituted with alkyl and/or --NH.sub.2 groups, or --(CH.sub.2).sub.n --NH--CH.dbd.CH--CN and R.sub.2 is hydrogen or alkyl with the proviso that when R.sub.1 is --(CH.sub.2).sub.n --NH--CH.dbd.CH--CN R.sub.2 is hydrogen, n being 1 to 8. The process comprises contacting cyanoacetylene with the appropriate amine in the presence of an inert atmosphere and at low temperatures, especially less than 40.degree. C., and recovering the product at a temperature of not greater than 50.degree. C.