Patents Represented by Attorney, Agent or Law Firm Peter J. Butch
  • Patent number: 6645969
    Abstract: This invention relates to the modulation and/or inhibition of cell signaling, cell proliferation, cell inflammatory response, the control of abnormal cell growth and cell reproduction. More specifically, this invention relates to the use of mono- and/or bicyclic aryl or heteroaryl quinazoline compounds in inhibiting cell proliferation, including compounds which are useful protein tyrosine kinase (PTK) inhibitors. The method of treating cell proliferation and/or differentiation or mediator release using said quinazoline compounds and their use in pharmaceutical compositions is described.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: November 11, 2003
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Michael R. Myers, Alfred P. Spada, Martin P. Maguire, Paul E. Persons, Asher Zilberstein, Chin-Yi Jenny Hsu, Susan E. Johnson
  • Patent number: 6528526
    Abstract: This invention is directed to quinoline/quinoxaline compounds which inhibit platelet-derived growth factor or p56lck tyrosine kinase activity, to pharmaceutical compositions comprising these compounds, and to the use of these compounds for treating a patient suffering from or subject to disorders/conditions involving cellular differentiation, proliferation, extracellular matrix production or mediator release and/or T cell activation and proliferation.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: March 4, 2003
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Michael R. Myers, Wei He, Alfred P. Spada, Martin P. Maguire
  • Patent number: 6524347
    Abstract: This invention is directed to quinoline/quinoxaline compounds which inhibit platelet-derived growth factor tyrosine kinase and/or Lck tyrosine kinase, to pharmaceutical compositions comprising these compounds, and to the use of these compounds for treating a patient suffering from or subject to disorders/conditions involving cellular differentiation, proliferation, extracellular matrix production or mediator release and/or T cell activation and proliferation.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: February 25, 2003
    Assignee: Avantis Pharmaceuticals Inc.
    Inventors: Michael. R. Myers, Alfred P. Spada, Paul E. Persons, Martin P. Maguire
  • Patent number: 6482834
    Abstract: This invention is directed to quinoline/quinoxaline compounds which inhibit platelet-derived growth factor or p56lck tyrosine kinase activity, to pharmaceutical compositions comprising these compounds, and to the use of these compounds for treating a patient suffering from or subject to disorders/conditions involving cellular differentiation, proliferation, extracellular matrix production or mediator release and/or T cell activation and proliferation.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: November 19, 2002
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Alfred P. Spada, Wei He, Michael R. Myers
  • Patent number: 6433209
    Abstract: Methods for stereoselective substitution in which a (mono or un)-&agr;-substituted unprotected &bgr;-amino ester compound or salt thereof is reacted with an aliphatic electrophile in the presence of a base selected from alkyl lithium compounds, lithium hydride, lithium amide, lithium dialkyl amides and alkali hexamethyldisilylamines.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: August 13, 2002
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Sithamalli V. Chandramouli, Michael K. O'Brien, Tory H. Powner
  • Patent number: 6281227
    Abstract: The compounds of formula I herein exhibit useful pharmacological activity and accordingly are incorporated into pharmaceutical compositions and used in the treatment of patients suffering from certain medical disorders. More specifically, they are inhibitors of the activity of Factor Xa. The present invention is directed to compounds of formula I, compositions containing compounds of formula I, and their use, for treating a patient suffering from, or subject to, a physiological condition which can be ameliorated by the administration of an inhibitor of the activity of Factor Xa.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: August 28, 2001
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Yong Mi Choi-Sledeski, Heinz W. Pauls, Jeffrey N. Barton, William R. Ewing, Daniel M. Green, Michael R. Becker, Yong Gong, Julian Levell
  • Patent number: 6277865
    Abstract: This invention is directed to a compound of formula I which is useful for inhibiting the activity of Factor Xa, by combining said compound with a composition containing Factor Xa. The present invention is also directed to compositions containing compounds of the formula I, methods for their preparation, their use, such as in inhibiting the formation of thrombin or for treating a patient suffering from, or subject to, a disease state associated with a physiologically detrimental excess amount of thrombin.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: August 21, 2001
    Assignee: Aventis Pharmaceuticals Products Inc.
    Inventors: Scott I. Klein, Kevin R. Guertin
  • Patent number: 6274705
    Abstract: The present invention relates to azacycloalkylalkanoyl peptides and pseudopeptides which inhibit platelet aggregation and thrombus formation thereby being useful in the prevention and treatment of thrombosis associated with disease states such as myocardial infarction, stroke, peripheral arterial disease, and disseminated intravascular coagulation, to methods for the prevention or treatment of thrombosis in a mammal in need of such therapy comprising the administration of a therapeutically effective amount of such compounds, and to pharmaceutical compositions comprising such compounds.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: August 14, 2001
    Assignee: Aventis Pharmaceuticals Products Inc.
    Inventors: Scott I. Klein, Bruce F. Molino