Patents Represented by Law Firm Cuhman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
  • Method of producing salcomine
    Patent number: 5618957
    Abstract: A method of producing salcomine by reacting ethylene diamine with salicylaldehyde and a cobalt salt in a liquid reaction medium containing solvent.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: April 8, 1997
    Assignee: Degussa AG
    Inventors: Frank Hubner, Ulrich Gora, Klaus Huthmacher, Karlheinz Drauz