Patents by Inventor Theodore J. Leipzig

Theodore J. Leipzig 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).

  • Synthesis of 5-substituted tetrazoles
    Patent number: 4097479
    Abstract: Synthesis of 5-substituted tetrazoles via reaction of an organic nitrile with azide anion is improved by performing the reaction in an amine as solvent and in the presence of an acid-addition salt of the amine as catalyst.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: June 27, 1978
    Assignee: Miles Laboratories, Inc.
    Inventor: Theodore J. Leipzig