Patents Examined by Brian Bemrenick
  • Catalysts and their use in the hydrolysis of nitriles
    Patent number: 4959502
    Abstract: When making an amide by hydrolysis of a nitrile in an aqueous medium containing a Raney copper or other black copper catalyst, the hydrolysis reaction can be improved if the catalyst has been contacted with an aqueous solution of a water soluble vanadium compound followed by thorough rinsing before introduction into the aqueous medium.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: September 25, 1990
    Assignee: Allied Colloids Ltd.
    Inventors: David Farrar, Gerald P. Benn, Seraj A. M. Karolia