Patents by Inventor Denis Billen

Denis Billen 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).

  • Substituted arylpyrazoles
    Patent number: 7538134
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which the cyclopropyl ring is substituted at the angular position, and pharmaceutically acceptable salts and solvates thereof, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: May 26, 2009
    Assignees: Pfizer Inc., Pfizer Products Inc.
    Inventors: Denis Billen, Jessica Boyle, Douglas James Critcher, David Morris Gethin, Kim Thomas Hall, Graham Michael Kyne
  • Substituted arylpyrazoles
    Patent number: 7514464
    Abstract: This invention relates to a combination product comprising a compound of formula I wherein X, R1, R2, R3, R4, R5, R6, R7 and R9 are as described herein, and one or more further biologically active compounds as described herein, particularly anti-parasitic agents.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: April 7, 2009
    Assignee: Pfizer Limited
    Inventors: Denis Billen, Nathan Anthony Logan Chubb, David Morris Gethin, Kim Thomas Hall, Lee Richard Roberts, Nigel Derek Arthur Walshe
  • Substituted arylpyrazoles
    Patent number: 7435753
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which there is at least one fluorine attached to the cyclopropyl ring, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: October 14, 2008
    Assignee: Pfizer Limited
    Inventors: Denis Billen, Nathan Anthony Logan Chubb, David Morris Gethin, Kim Thomas Hall, Lee Richard Roberts, Nigel Derek Arthur Walshe
  • SUBSTITUTED ARYLPYRAZOLES
    Publication number: 20080176865
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which the cyclopropyl ring is substituted at the angular position, and pharmaceutically acceptable salts and solvates thereof, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Application
    Filed: December 13, 2007
    Publication date: July 24, 2008
    Applicant: PFIZER LIMITED
    Inventors: Denis Billen, Jessica Boyle, Douglas James Critcher, David Morris Gethin, Kim Thomas Hall, Graham Michael Kyne
  • COMBINATION
    Publication number: 20080146643
    Abstract: Compounds of formula (I) are used in combination with a second antiparasitic agent for the treatment of parasitic infestations in a host animal.
    Type: Application
    Filed: December 13, 2007
    Publication date: June 19, 2008
    Applicant: PFIZER LIMITED
    Inventors: Denis Billen, Jessica Boyle, Douglas James Critcher, David Morris Gethin, Kim Thomas Hall, Graham Michael Kyne
  • COMBINATION
    Publication number: 20070149464
    Abstract: Compounds of formula (I) are used in combination with a second antiparasitic agent for the treatment of parasitic infestations in a host animal.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Applicant: PFIZER INC.
    Inventors: Denis Billen, Jessica Boyle, Douglas Critcher, David Gethin, Kim Hall, Graham Kyne
  • SUBSTITUTED ARYLPYRAZOLES
    Publication number: 20070149550
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which the cyclopropyl ring is substituted at the angular position, and pharmaceutically acceptable salts and solvates thereof, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Applicant: PFIZER INC.
    Inventors: Denis Billen, Jessica Boyle, Douglas Critcher, David Gethin, Kim Hall, Graham Kyne
  • Substituted arylpyrazoles
    Publication number: 20060287365
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which the cyclopropyl ring is substituted at the angular position, and pharmaceutically acceptable salts and solvates thereof, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 21, 2006
    Inventors: Denis Billen, Jessica Boyle, Douglas Critcher, David Gethin, Kim Hall, Graham Kyne
  • Substituted arylpyrazoles
    Publication number: 20060014802
    Abstract: This invention relates to a combination product comprising a compound of formula I wherein X, R1, R2, R3, R4, R5, R6, R7 and R9 are as described herein, and one or more further biologically active compounds as desribed herein, particularly anti-parasitic agents.
    Type: Application
    Filed: June 15, 2005
    Publication date: January 19, 2006
    Inventors: Denis Billen, Nathan Logan Chubb, David Gethin, Kim Hall, Lee Roberts, Nigel Walshe
  • Substituted arylpyrazoles
    Publication number: 20050148649
    Abstract: This invention relates to a range of 1-aryl-4-cyclopropylpyrazoles in which there is at least one fluorine attached to the cyclopropyl ring, to compositions comprising such compounds, processes to their synthesis and their use as parasiticides.
    Type: Application
    Filed: December 15, 2004
    Publication date: July 7, 2005
    Inventors: Denis Billen, Nathan Chubb, David Gethin, Kim Hall, Lee Roberts, Nigel Walshe