Patents by Inventor Keith A. Diekema

Keith A. Diekema 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).

  • Patent number: 6004959
    Abstract: The present invention describes certain alkyloxyamino-substituted fluorenones which inhibit protein kinase C, as well as pharmaceutical compositions including these compounds and methods of using these compounds to control protein kinase C activity in mammals, including humans. More specifically, the present compounds are useful for the treatment of neoplastic disease states, disorders associated with abnormal blood flow (including hypertension, ischemia, atherosclerosis, coagulation disorders), and inflammatory diseases (including immune disorders, asthma, lung fibrosis, and psoriasis).
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: December 21, 1999
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Winton D. Jones, Fred L. Ciske, Robert J. Dinerstein, Keith A. Diekema
  • Patent number: 5500429
    Abstract: This invention relates to 1-aryl-3-pyridinyl-2-propene-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: March 19, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Michael L. Edwards, David M. Stemerick, Keith A. Diekema
  • Patent number: 5446068
    Abstract: This invention relates to 1-phenyl-3-phenyl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: August 29, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Jeffrey S. Sabol, Keith A. Diekema
  • Patent number: 5409942
    Abstract: This invention relates to 1-phenyl-3-aryl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: April 25, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Jeffrey S. Sabol, Keith A. Diekema
  • Patent number: 5248825
    Abstract: This invention relates to 1-phenyl-3-phenyl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: September 28, 1993
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Jeffrey S. Sabol, Keith A. Diekema
  • Patent number: 5223518
    Abstract: This invention relates to 1-phenyl-3-aryl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: June 29, 1993
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Robert J. Dinerstein, Jeffrey S. Sabol, Keith A. Diekema