Patent · US Expired

Hydrolysis of aromatic nitriles to carboxylic acids

US4069248A · kind A · utility

1Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 3, 1976
Grant dateJan 17, 1978
Priority date
Expiry dateDec 3, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

In the non-catalytic hydrolysis to equilibrium of an aromatic nitrile, the improvement of carrying out such hydrolysis in the presence of a neutral salt whereby nitrogen impurities in the acid product are reduced.

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