Iron-based catalyst for hydrogenating alpha-, omega-dinitriles
US6297394A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2000 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Aug 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.