Patent · US Expired

Production of noncyclic polyalkyene polyamines

US4503253A · kind A · utility

19Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1984
Grant dateMar 5, 1985
Priority date
Expiry dateMar 8, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C209/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing predominantly noncyclic polyalkylene polyamine compounds is disclosed wherein an alkanolamine compound is reacted with an alkyleneamine compound optionally with ammonia or a primary or secondary amine in the presence of a catalytically effective amount of a catalyst containing phosphoric acid incorporated onto an inert support at a temperature from about 175.degree. to 400.degree. C. under a pressure sufficient to maintain a substantial amount of the ammonia or amine in the reaction zone.

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