Patents by Inventor Herbert S. Harris

Herbert S. Harris has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalytic method for preparing symmetrical and nonsymmetrical dialkylhydroxylamines
    Patent number: 4910340
    Abstract: A process of forming N,N-dialkylhydroxylamines (a class of compounds useful as oxygen scavengers in boiler water feed) by contacting an N-alkylhydroxylamine with an alkyl carbonyl compound to form a nitrone in situ or, alternatively, using previously formed alkylnitrone which is subjected to H.sub.2 and a hydrogenation catalyst.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: March 20, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Nelson S. Marans, Stephen G. Harsy, Herbert S. Harris