Patent · US Expired

Manufacture of glycinonitriles

US4134889A · kind A · utility

16Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1977
Grant dateJan 16, 1979
Priority date
Expiry dateMay 2, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D295/145
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Manufacture of glycinonitriles by reacting amines with carbonyl compounds and hydrogen cyanide under specific reaction conditions in respect of the temperature, reaction time and hydrogen cyanide concentration. The glycinonitriles obtainable by the process of the invention are antioxidants and valuable starting materials for the manufacture of dyes, fungicides, bactericides, textile auxiliaries and inhibitors for use in antifreezes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.