Patents by Inventor Donald J. Lartigue

Donald J. Lartigue 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).

  • Enzyme carrier regeneration
    Patent number: 3965035
    Abstract: Highly porous MgO-Al.sub.2 O.sub.3 support materials useful for the immobilization of glucose isomerase can be regenerated for reuse by pyrolysis under conditions sufficient to remove substantially all carbonaceous matter, followed by treatment with a neutralized citrate solution.
    Type: Grant
    Filed: September 18, 1974
    Date of Patent: June 22, 1976
    Assignee: Corning Glass Works
    Inventors: Lorraine R. Bialousz, Ethel R. Herritt, Donald J. Lartigue, Wayne H. Pitcher, Jr.
  • Method of making fructose
    Patent number: 3939041
    Abstract: Bacterial cells (Streptomyces sp.) having glucose isomerase activity can be aggregated with an aqueous solution of tetrazotized benzidine and used as an immobilized enzyme system for the isomerization of dextrose (glucose) to levulose (fructose).
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: February 17, 1976
    Assignee: Corning Glass Works
    Inventors: Donald J. Lartigue, Howard H. Weetall