Patent · US Expired

Iron-based catalyst for hydrogenating alpha-, omega-dinitriles

US6297394A · kind A · utility

16Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2000
Grant dateOct 2, 2001
Priority date
Expiry dateAug 23, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C209/48
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A material useful as catalyst for the hydrogenation of alpha, Omega-dinitriles comprises PA1 a) iron or a compound based on iron or mixtures thereof, PA1 (b) from 0.001 to 0.3% by weight based on (a) of a promoter based on 2, 3, 4 or 5 elements selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium, PA1 (c) from 0 to 0.3% by weight based on (a) of a compound based on an alkali and/or alkaline earth metal, and also PA1 (d) from 0.001 to 1% by weight based on (a) of manganese.

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