Hydrogenation catalyst
US6852669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2001 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | May 8, 2021 |
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(a) iron or a compound based on iron or mixtures thereof,(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,(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(d) from 0.001 to 1% by weight based on (a) of manganese.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.