Patents Represented by Attorney, Agent or Law Firm J. Suzanne Siebert
  • Process for preparing N-alkyl ammonium acetonitrile compounds
    Patent number: 6235218
    Abstract: A process is provided for the preparation of a compound having the structure of Formula I The process includes reacting a heterocyclic amine with a monoaldehyde or a dialdehyde in a pH range of from about 8 to 14 and then quaternizing the so-reacted heterocyclic amine with an alkylating agent at a pH of not less than about 2. The use of pH control substantially prevents formation of an undesirable protonated reaction intermediate.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: May 22, 2001
    Assignee: The Clorox Company
    Inventors: Ulrich Annen, James E. Deline, Lafayette D. Foland, Kevin A. Klotter, Josef Müller, Michael Müller, Klaus Mundinger, Martin A. Phillippi, Alfred Ruland, Wolfgang Schäfer, Gregor Schürmann, Rudi Widder, Alfred G. Zielske