Patent · US Expired

Preparation of N-substituted carboxylic acid amides

US4273938A · kind A · utility

5Cited by
9References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1979
Grant dateJun 16, 1981
Priority date
Expiry dateJan 25, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C231/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

N-substituted carboxylic acid amides are prepared by reacting cyano compounds with olefins and water in the presence of cation exchangers containing sulfonic acid groups. The end products I are starting materials for the preparation of dyes, pesticides, emulsifiers, dispersants, stabilizers, textile auxiliaries and printing assistants.

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