Patent · US Active

Polyetheramine production method

US7696385B2 · kind B2 · utility

4Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2006
Grant dateApr 13, 2010
Priority date
Expiry dateJun 10, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J25/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to a method for producing amines of formula (1),wherein R3 is an organic group containing from 2 to 600 alkoxy groups and R1 and R3 groups are similar or different and represent a hydrogen atom or an organic group containing from 1 to 400 carbon atoms. The inventive method consists in bringing a compound of formula (2) into contact a compound of formula (3) in the presence of hydrogen with a metal-containing catalyst, wherein the metal content in cobalt is equal to or greater than 80% by weight.

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