Patents by Inventor Dietmar G. Kuhnt

Dietmar G. Kuhnt 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).

  • Pyrrolo(2,3-d)pyrimidines
    Patent number: 5248775
    Abstract: 3-Ethynylpyrrolo[2,3-d]pyrimidines are chemical intermediates for antineoplastic N-(acyl)glutamic acid derivatives. A typical embodiment is 3-ethynyl-4-hydroxy-6-pivaloylaminopyrrolo[2,3-d]pyrimidine.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: September 28, 1993
    Assignee: The Trustees of Princeton University
    Inventors: Edward C. Taylor, Dietmar G. Kuhnt, Chuan Shih, Gerald B. Grindey
  • N-(6-Amino-(pyrrolo(2,3-d)pyrimidin-3-ylacyl) )-glutamic acid derivatives
    Patent number: 5028608
    Abstract: N-(Acyl)glutamic acid derivatives in which the acyl group is substituted with 4-hydroxypyrrolo[2,3-d]-pyrimidin-3-yl group are antineoplastic agents. A typical embodiment is N-{5-[2-(4-hydroxy-6-aminopyrrolo[2,3-d]pyrimidin-3-yl)ethyl]thien-2-ylcar bonyl}-L-glutamic acid.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: July 2, 1991
    Assignee: The Trustees of Princeton University
    Inventors: Edward C. Taylor, Dietmar G. Kuhnt, Chuan Shih, Gerald B. Grindey
  • N-(pyrrolo[2,3-d]pyrimidin-3-ylacyl)-glutamic acid derivatives
    Patent number: 4996206
    Abstract: N-(Acyl)glutamic acid derivatives in which the acyl group is substituted with 4-hydroxypyrrolo[2,3-d]pyrimidin-3-yl group are antineoplastic agents. A typical embodiment is N-[4-(2-{4-hydroxypyrrolo[2,3-d]pyrimidin-3-yl}ethyl)benzoyl]-L-glutamic acid.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: February 26, 1991
    Assignee: The Trustees of Princeton University
    Inventors: Edward C. Taylor, Dietmar G. Kuhnt, Chuan Shih, Gerald B. Grindey