Patents by Inventor David Stanley Duch

David Stanley Duch 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).

  • Combination of benzoquinazoline antifolates and protecting agents
    Patent number: 6855712
    Abstract: The use of a protecting agent, for example a folate derivative such as folic acid or leucovorin, in combination with a non-competitive folic acid analogue, for example benzoquinazoline derivatives, for use in reducing the side effects associated with the administration of such non-competitive folic acid analogues, and pharmaceutical formulations comprising such combinations are disclosed.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: February 15, 2005
    Assignee: SmithKline Beecham Corporation
    Inventors: Gary Keith Smith, David Stanley Duch, Robert Ferone, Arthur Koch
  • Novel combination of benzoquinazoline antifolates and protecting agents
    Publication number: 20030203924
    Abstract: The use of a protecting agent, for example a folate derivative such as folic acid or leucovorin, in combination with a non-competitive folic acid analogue, for example benzoquinazoline derivatives, for use in reducing the side effects associated with the administration of such non-competitive folic acid analogues, and pharmaceutical formulations comprising such combinations are disclosed.
    Type: Application
    Filed: May 7, 2003
    Publication date: October 30, 2003
    Inventors: Gary Keith Smith, David Stanley Duch, Robert Ferone, Arthur Koch
  • Combination of benzoquinazoline antifolates and protecting agents
    Patent number: 6579877
    Abstract: The use of a protecting agent, for example a folate derivative such as folic acid or leucovorin, in combination with a non-competitive folic acid analogue, for example benzoquinazoline derivatives, for use in reducing the side effects associated with the administration of such non-competitive folic acid analogues, and pharmaceutical formulations comprising such combinations are disclosed.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: June 17, 2003
    Assignee: SmithKline Beecham Corporation
    Inventors: Gary Keith Smith, David Stanley Duch, Robert Ferone, Arthur Koch
  • Novel combination of benzoquinazoline antifolates and protecting agents
    Publication number: 20020137748
    Abstract: The use of a protecting agent, for example a folate derivative such as folic acid or leucovorin, in combination with a non-competitive folic acid analogue, for example benzoquinazoline derivatives, for use in reducing the side effects associated with the administration of such non-competitive folic acid analogues, and pharmaceutical formulations comprising such combinations are disclosed.
    Type: Application
    Filed: March 18, 2002
    Publication date: September 26, 2002
    Inventors: Gary Keith Smith, David Stanley Duch, Robert Ferone, Arthur Koch
  • Combination of benzoquinazoline antifolates and protecting agents
    Patent number: 6358952
    Abstract: The use of a protecting agent, for example a folate derivative such as folic acid or leucovorin, in combination with a non-competitive folic acid analogue, for example benzoquinazoline derivatives, for use in reducing the side effects associated with the administration of such non-competitive folic acid analogues, and pharmeceutical formulations comprising such combinations are disclosed.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 19, 2002
    Assignee: SmithKline Beecham Corporation
    Inventors: Gary Keith Smith, David Stanley Duch, Robert Ferone, Arthur Koch