Patents by Inventor David Stefany

David Stefany 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: 9533995
    Abstract: The present disclosure relates to a series of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I). Wherein R1, R2, Q1, Q2, Q3, Q4, X, m, n, p and s are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, this disclosure also relates to methods of preparation of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I) and intermediates therefor.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: January 3, 2017
    Assignee: Sanofi
    Inventors: Zhongli Gao, Daniel Hall, David Stefany
  • Publication number: 20140315923
    Abstract: The present disclosure relates to a series of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I). Wherein R1, R2, Q1, Q2, Q3, Q4, X, m, n, p and s are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, this disclosure also relates to methods of preparation of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I) and intermediates therefor.
    Type: Application
    Filed: June 27, 2014
    Publication date: October 23, 2014
    Inventors: Zhongli GAO, Daniel HALL, David STEFANY
  • Patent number: 8859588
    Abstract: The present disclosure relates to a series of substituted N-heteroaryl bipyrrolidine carboxamides of formula (I). wherein R1, R2, R3, R4, Q1, Q2, Q3, Q4, X, m and p are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, this disclosure also relates to methods of preparation of substituted N-heteroaryl bipyrrolidine carboxamides of formula (I) and intermediates therefor.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: October 14, 2014
    Assignee: Sanofi
    Inventors: Zhongli Gao, Daniel Hall, David Stefany
  • Patent number: 8796278
    Abstract: The present disclosure relates to a series of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I). Wherein R1, R2, Q1, Q2, Q3, Q4, X, m, n, p and s are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, this disclosure also relates to methods of preparation of substituted N-heteroaryl spirolactam bipyrrolidines of formula (I) and intermediates therefor.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: August 5, 2014
    Assignee: Sanofi
    Inventors: Zhongli Gao, Daniel Hall, David Stefany
  • Patent number: 8383814
    Abstract: The present disclosure relates to a series of substituted N-phenyl-bipyrrolidine carboxamides of formula (I): wherein R1, R2, m, n and p are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, methods of preparation of substituted N-phenyl-bipyrrolidine carboxamides and intermediates therefore are disclosed.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: February 26, 2013
    Assignee: Sanofi
    Inventors: Zhongli Gao, Ryan Hartung, David Stefany
  • Publication number: 20130005728
    Abstract: The present invention is directed to a substituted pyrimidine compound of formula (I) or an enantiomer thereof, or a prodrug or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising such a compound. The invention also includes a method of treatment of a patient by the administration of a pharmaceutically effective amount of such a compound.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: AVENTIS PHARMACEUTICALS INC.
    Inventors: Keith J. HARRIS, Joacy C. AGUIAR, Patrick Wai-Kwok SHUM, Zhicheng ZHAO, Gregory B. POLI, Gregory STOKLOSA, Yong-Mi CHOI-SLEDESKI, Stephan REILING, David STEFANY, Charles GARDNER
  • Publication number: 20120238757
    Abstract: The present disclosure relates to a series of substituted N-phenyl-bipyrrolidine carboxamides of formula (I): wherein R1, R2, m, n and p are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, methods of preparation of substituted N-phenyl-bipyrrolidine carboxamides and intermediates therefore are disclosed.
    Type: Application
    Filed: May 30, 2012
    Publication date: September 20, 2012
    Applicant: SANOFI
    Inventors: Zhongli GAO, Ryan HARTUNG, David STEFANY
  • Patent number: 8217052
    Abstract: The present disclosure relates to a series of substituted N-phenyl-bipyrrolidine carboxamides of formula (I): wherein R1, R2, m, n and p are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, methods of preparation of substituted N-phenyl-bipyrrolidine carboxamides and intermediates therefore are disclosed.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: July 10, 2012
    Assignee: Sanofi
    Inventors: Zhongli Gao, Ryan Hartung, David Stefany
  • Patent number: 8193183
    Abstract: The present invention is directed to a compound of Formula (I) wherein Cy1, Cy2, L1, L2, and R1 are as defined herein, a pharmaceutical composition comprising a pharmaceutically effective amount of one or more compounds according to Formula (I) in admixture with a pharmaceutically acceptable carrier, and a method of treating a patient suffering from a PGD2-mediated disorder including, but not limited to, allergic disease (such as allergic rhinitis, allergic conjunctivitis, atopic dermatitis, bronchial asthma and food allergy), systemic mastocytosis, disorders accompanied by systemic mast cell activation, anaphylaxis shock, bronchoconstriction, bronchitis, urticaria, eczema, diseases accompanied by itch (such as atopic dermatitis and urticaria), diseases (such as cataract, retinal detachment, inflammation, infection and sleeping disorders) which is generated secondarily as a result of behavior accompanied by itch (such as scratching and beating), inflammation, chronic obstructive pulmonary diseases, ischem
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: June 5, 2012
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Sungtaek Lim, Keith John Harris, David Stefany, Charles J. Gardner, Bin Cao, Ray Boffey, Timothy A. Gillespy, Joacy C. Aguiar, Hazel J. Dyke, Elsa A. Dechaux
  • Publication number: 20110251225
    Abstract: The present disclosure relates to a series of substituted N-phenyl-bipyrrolidine carboxamides of formula (I): wherein R1, R2, m, n and p are as described herein. More specifically, the compounds of this invention are modulators of H3 receptors and are, therefore, useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases modulated by H3 receptors including diseases associated with the central nervous system. Additionally, methods of preparation of substituted N-phenyl-bipyrrolidine carboxamides and intermediates therefore are disclosed.
    Type: Application
    Filed: June 2, 2011
    Publication date: October 13, 2011
    Applicant: SANOFI
    Inventors: Zhongli GAO, Ryan HARTUNG, David STEFANY
  • Publication number: 20090036469
    Abstract: The present invention is directed to a compound of formula (I), wherein R1 and R2 are as defined herein, a pharmaceutical composition comprising a pharmaceutically effective amount of one or more compounds of the invention in admixture with a pharmaceutically acceptable carrier, and a method of treating a patient suffering from a PGD2-mediated disorder by administering to said patient a pharmaceutically effective amount of a compound of the invention.
    Type: Application
    Filed: October 7, 2008
    Publication date: February 5, 2009
    Applicant: SANOFI-AVENTIS
    Inventors: David STEFANY, Keith John HARRIS, Timothy Alan GILLESPY, Charles J. GARDNER, Joacy C. AGUIAR
  • Publication number: 20070244131
    Abstract: The present invention is directed to a compound of Formula (I) wherein Cy1, Cy2, L1, L2, and R1 are as defined herein, a pharmaceutical composition comprising a pharmaceutically effective amount of one or more compounds according to Formula (I) in admixture with a pharmaceutically acceptable carrier, and a method of treating a patient suffering from a PGD2-mediated disorder including, but not limited to, allergic disease (such as allergic rhinitis, allergic conjunctivitis, atopic dermatitis, bronchial asthma and food allergy), systemic mastocytosis, disorders accompanied by systemic mast cell activation, anaphylaxis shock, bronchoconstriction, bronchitis, urticaria, eczema, diseases accompanied by itch (such as atopic dermatitis and urticaria), diseases (such as cataract, retinal detachment, inflammation, infection and sleeping disorders) which is generated secondarily as a result of behavior accompanied by itch (such as scratching and beating), inflammation, chronic obstructive pulmonary diseases, ische
    Type: Application
    Filed: April 16, 2007
    Publication date: October 18, 2007
    Applicant: AVENTIS PHARMACEUTICALS INC.
    Inventors: Sungtaek Lim, Keith Harris, David Stefany, Charles Gardner, Bin Cao, Ray Boffey, Timothy Gillespy, Joacy Aguiar, Hazel Dyke, Elsa Dechaux
  • Publication number: 20070032489
    Abstract: The present invention relates to a series of 2,3,5-substituted pyridone derivatives of formula I: wherein R, R1, R2, R3 and R4 are as defined herein. This invention also relates to methods of making these compounds. The compounds of this invention are inhibitors of poly(adenosine 5?-diphosphate ribose) polymerase (PARP) and are therefore useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of diseases, including diseases associated with the central nervous system and cardiovascular disorders.
    Type: Application
    Filed: September 26, 2006
    Publication date: February 8, 2007
    Applicant: AVENTIS PHARMACEUTICALS INC.
    Inventors: Philip Weintraub, Paul Eastwood, Shujaath Mehdi, David Stefany, Kwon Musick, Neil Moorcroft, Sungtaek Lim, John Jiang, Hartmut Rutten, Stefan Peukert, Uwe Schwahn