Patents by Inventor Pierre Dextraze

Pierre Dextraze 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: 7102003
    Abstract: The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The compounds of the invention inhibit tyrosine kinase activity of growth factor receptors such as HER1, HER2 and HER4 thereby making them useful as antiproliferative agents. The compounds are also useful for the treatment of other diseases associated with signal transduction pathways operating through growth factor receptors.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: September 5, 2006
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ashvinikumar V. Gavai, Harold Mastalerz, Jean-Paul Daris, Pierre Dextraze, Philippe Lapointe, Edward H. Ruediger, Dolatrai M. Vyas, Guifen Zhang
  • Publication number: 20060014745
    Abstract: The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The compounds of the invention inhibit tyrosine kinase activity of growth factor receptors such as HER1, HER2 and HER4 thereby making them useful as antiproliferative agents. The compounds are also useful for the treatment of other diseases associated with signal transduction pathways operating through growth factor receptors.
    Type: Application
    Filed: June 21, 2005
    Publication date: January 19, 2006
    Inventors: Ashvinikumar Gavai, Harold Mastalerz, Jean-Paul Daris, Pierre Dextraze, Philippe Lapointe, Edward Ruediger, Dolatrai Vyas, Guifen Zhang
  • Patent number: 6831080
    Abstract: There is provided novel cinnamide derivatives of Formula I: wherein R is C1-4 alkyl or trifluoromethyl; R1 is selected from the group consisting of pyridinyl, quinolinyl, thienyl, furanyl, 1,4-benzodioxanyl, 1,3-benzodioxolyl, chromanyl, indanyl, biphenylyl, phenyl and substituted phenyl in which said substituted phenyl is substituted with one or two substituents each independently selected-from the group consisting of halogen, C1-4 alkyl, C1-4 alkoxy, trifluoromethyl, trifluoromethoxy and nitro; R2 and R3 are each independently selected from the group consisting of hydrogen, C1-4 alkyl, and halogen; R4 is selected from the group consisting of di(C1-4 alkyl)amino, trifluoromethoxy and optionally substituted morpholin-4-yl, pyridinyl, pyrimidinyl, piperazinyl, and pyrazinyl with one or two substituents in which said substituent is independently selected from the group consisting of C1-4 alkyl, aminomethyl, hydroxymethyl, chloro or fluoro; R5 is hydrogen, chloro or fluoro; or R4 and R5 taken t
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 14, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: Yong-Jin Wu, Li-Quang Sun, Jie Chen, Huan He, Alexandre L'Heureux, Pierre Dextraze, Jean-Paul Daris, Gene G. Kinney, Steven I. Dworetzky, Piyasena Hewawasam
  • Publication number: 20030166650
    Abstract: There is provided novel cinnamide derivatives of Formula I 1
    Type: Application
    Filed: May 31, 2002
    Publication date: September 4, 2003
    Inventors: Yong-Jin Wu, Li-Quang Sun, Jie Chen, Huan He, Alexandre L'Heureux, Pierre Dextraze, Jean-Paul Daris, Gene G. Kinney, Steven I. Dworetzky, Piyasena Hewawasam
  • Publication number: 20020183335
    Abstract: There is provided a method of treatment for disorders responsive to the modulation of KCNQ potassium channels by administering to a mammal in need thereof a therapeutically effective amount of a 2,4-disubstituted pyrimidine-5-carboxamide derivative of the Formula I 1
    Type: Application
    Filed: February 14, 2002
    Publication date: December 5, 2002
    Inventors: Piyasena Hewawasam, Dharmpal S. Dodd, Charles D. Weaver, Pierre Dextraze, Valentin K. Gribkoff, Gene G. Kinney, Steven I. Dworetzky
  • Publication number: 20020156120
    Abstract: There is provided novel 3-fluoro-3-phenyl oxindole derivatives of Formula I 1
    Type: Application
    Filed: February 14, 2002
    Publication date: October 24, 2002
    Inventors: Piyasena Hewawasam, Pierre Dextraze, Valentin K. Gribkoff, Gene G. Kinney, Steven I. Dworetzky
  • Patent number: 6469042
    Abstract: There is provided novel 3-fluoro-3-phenyl oxindole derivatives of Formula I wherein R1, R2, R3 and R4 each are independently hydrogen, C1-4 alkyl, halogen, fluoromethyl, trifluoromethyl, phenyl, 4-methylphenyl or 4-trifluoromethylphenyl; R5 is C1-6 alkyl optionally substituted with one to three same or different groups selected from fluoro and chloro, provided R5 is not C1-6 alkyl when Y is O; Y is O or S; and R6 and R7 each are independently hydrogen, chloro, bromo or trifluoromethy; which are openers of the KCNQ potassium channels and are useful in the treatment of disorders which are responsive to the opening of the KCNQ potassium channels.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: October 22, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Piyasena Hewawasam, Pierre Dextraze, Valentin K. Gribkoff, Gene G. Kinney, Steven I. Dworetzky
  • Patent number: 6214869
    Abstract: There is provided a novel series of cis cyclopropane compounds of Formula I wherein R1, R2, R3, R4, X, Y, Z and m are as defined herein which bind to the human melatonin receptor and therefore are useful as melatonergic agents.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: April 10, 2001
    Assignee: Bristol-Myers Squibb
    Inventors: Jie Chen, Pierre Dextraze, Marco Dodier, Katherine S. Takaki
  • Patent number: 5521188
    Abstract: A series of novel 5-cyclobutenedione derivatives of indolylalkylpiperazinyl pyridines and pyrimidines of Formula I are intended for use in the alleviation of vascular headaches.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: May 28, 1996
    Assignee: Bristol-Myers Squibb Company
    Inventors: Jonas A. Gylys, Edward H. Ruediger, David W. Smith, Carola Solomon, Joseph P. Yevich, Pierre Dextraze
  • Patent number: 4994460
    Abstract: A series of 5-halopyrimidin-2-ylpiperazinylalkyl derivatives having useful anti-ischemic properties for treatment and prevention of dirorders resulting from brain and/or spinal cord anoxia.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: February 19, 1991
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Pierre Dextraze, Joseph P. Yevich
  • Patent number: 4973687
    Abstract: This invention provides novel azetidinone intermediates having the formulas: ##STR1## wherein R.sup.1 is hydrogen, or a conventional hydroxy-protecting groups; R.sup.2, R.sup.4, and R.sup.5 are independently selected from the group consisting of hydrogen; substituted and unsubstituted: alkyl, alkenyl, and alkynyl having from 1-10 carbon atoms; cycloalkyl, cycloalkylalkyl, and alkylcycloalkyl having 3-6 carbon atoms in the cycloalkyl ring and 1-6 carbon atoms in the alkyl moieties; spirocycloalkyl having 3-6 carbon atoms; phenyl; aralkyl, aralkenyl, and aralkynyl wherein the aryl moiety is phenyl and the aliphatic portion has 1-6 carbon atoms; or various heterocyclic moieties; and R.sup.6 is methanesulfonyl or p-toluenesulfonyl; which are useful in the preparation of carbapenem antibiotics.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: November 27, 1990
    Assignee: Bristol-Myers Company
    Inventor: Pierre Dextraze
  • Patent number: 4880922
    Abstract: A novel series of carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which n has a value of 1, 2 or 3; R.sup.5 represents an optionally substituted aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic, heteroaraliphatic, heterocyclyl or heterocyclylaliphatic radical; and ##STR2## represents a quaternized nitrogen-containing aromatic heterocycle bonded to the group --S--(CH.sub.2)n--S-- via a ring carbon atom.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: November 14, 1989
    Assignee: Bristol-Myers Company
    Inventor: Pierre Dextraze
  • Patent number: 4769451
    Abstract: A novel process is disclosed for converting known 3,4-disubstituted azetidinones to carbapenems. The process proceeds through novel N-substituted intermediates and then cyclizes to the 4-position of the azetidinone to form the carbapenem.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: September 6, 1988
    Assignee: Bristol-Myers Company
    Inventor: Pierre Dextraze