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

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

  • CN 1,185,205 C
  • Filed: 02/23/1999
  • Issued: 01/19/2005
  • Est. Priority Date: 03/06/1998
  • Status: Active Grant
First Claim
Patent Images

1. hydrogenation α

  • in the presence of catalyzer, the method for ω

    -dintrile comprises and uses a kind of catalyzer, the material that this catalyzer comprises contains;

    (a) iron or Fe-base compound or its mixture,(b) account for the promotor of (a) 0.001-0.3wt% based on 2,3,4 or the 5 kind of element that are selected from aluminium, silicon, zirconium, titanium and vanadium,(c) account for (a) 0-0.3wt% based on basic metal and/or alkaline earth metal compounds, and(d) account for the manganese of (a) 0.001-1wt%;

    So obtain α

    , ω

    -diamines and/or α

    , alpha, omega amino nitriles.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×