Patents by Inventor Lee Richard Roberts

Lee Richard Roberts 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).

  • Publication number: 20090137524
    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: Application
    Filed: February 3, 2009
    Publication date: May 28, 2009
    Inventors: Denis Billen, Nathan Anthony Logan Chubb, David Morris Gethin, Kim Thomas Hall, Lee Richard Roberts, Nigel Derek Arthur Walshe
  • 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
  • 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
  • Publication number: 20080234252
    Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt, solvate, ester or amide thereof, wherein R1 represents [CH2]n—R2.
    Type: Application
    Filed: May 8, 2006
    Publication date: September 25, 2008
    Inventors: Justin Stephen Bryans, Patrick Stephen Johnson, Lee Richard Roberts, Thomas Ryckmans
  • Publication number: 20080188478
    Abstract: Compounds of formula (I), or pharmaceutically acceptable derivatives thereof, wherein: R1 represents a group selected from H, CF3, and C1-6 alkyl (optionally substituted by C1-6 alkyloxy or triazolyl); R2 represents halo; Ring A represents a 5- or 6-membered heterocyclic ring containing at least one N atom (the ring being optionally bridged with two or more carbon atoms); R3 represents a 5- or 6-membered heterocyclic ring containing at least one atom selected from N, O or S, the heterocyclic ring being optionally substituted by one or more groups selected from C1-6 alkyl oxo or NH2, the heterocyclic ring being further optionally fused to a 5- or 6-membered aryl or heterocyclic ring containing at least one atom selected from N, O or S, the fused aryl or heterocyclic ring being substituted by one or more halo atoms; are useful for treating a disorder for which a V1a antagonist is indicated, in particular, dysmenorrhea.
    Type: Application
    Filed: April 18, 2006
    Publication date: August 7, 2008
    Inventors: Justin Stephen Bryans, Mark Edward Bunnage, Patrick Stephen Johnson, Helen Janet Mason, Lee Richard Roberts, Thomas Ryckmans, Alan Stobie, Toby James Underwood
  • Patent number: 7271158
    Abstract: The invention described herein relates to: the use of an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase in the manufacture of a composition for the treatment of acidosis; a method of treatment of rumen acidosis which comprises administration of an effective amount of an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase to a ruminant; a formulation suitable for the treatment of acidosis in an animal which comprises an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase in admixture with a suitable excipient, diluent or carrier selected with regard to the intended route of administration and standard pharmaceutical/veterinary/farming practice; screening methods useful in the identification of a suitable inhibitor of a bacterial ?-amylase and/or ?-glucosidase for the treatment of acidosis in a ruminant; a process for improving ruminant milk quality and/or quantity which comprises treatment of a ruminant with an effective amount of an inhibitor of bacterial ?-amyla
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: September 18, 2007
    Assignee: Pfizer Inc.
    Inventors: Bernard Joseph Banks, Mark Andrew Haxell, Graham Lunn, Michael Stephen Pacey, Lee Richard Roberts
  • Patent number: 7022684
    Abstract: The invention described herein relates to: the use of an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase in the manufacture of a composition for the treatment of rumen acidosis; a method of treatment of rumen acidosis which comprises administration of an effective amount of an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase to a ruminant; a formulation suitable for the treatment of rumen acidosis in an animal which comprises an effective inhibitor of a bacterial ?-amylase and/or ?-glucosidase in admixture with a suitable excipient, diluent or carrier selected with regard to the intended route of administration and standard pharmaceutical/veterinary/farming practice; screening methods useful in the identification of a suitable inhibitor of a bacterial ?-amylase and/or ?-glucosidase for the treatment of acidosis in a ruminant; a process for improving ruminant milk quality and/or quantity which comprises treatment of a ruminant with an effective amount of an inhibitor of bacte
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: April 4, 2006
    Assignee: Pfizer Inc.
    Inventors: Bernard Joseph Banks, Mark Andrew Haxell, Graham Lunn, Michael Stephen Pacey, Lee Richard Roberts
  • Publication number: 20040167082
    Abstract: The invention described herein relates to: the use of an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase in the manufacture of a composition for the treatment of acidosis; a method of treatment of rumen acidosis which comprises administration of an effective amount of an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase to a ruminant; a formulation suitable for the treatment of acidosis in an animal which comprises an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase in admixture with a suitable excipient, diluent or carrier selected with regard to the intended route of administration and standard pharmaceutical/veterinary/farming practice; screening methods useful in the identification of a suitable inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase for the treatment of acidosis in a ruminant; a process for improving ruminant milk quality and/or quantity which comprises treatment of a ruminant with an effective amount of a
    Type: Application
    Filed: February 6, 2004
    Publication date: August 26, 2004
    Applicant: Pfizer Inc
    Inventors: Bernard Joseph Banks, Mark Andrew Haxell, Graham Lunn, Michael Stephen Pacey, Lee Richard Roberts
  • Publication number: 20030060424
    Abstract: The invention described herein relates to: the use of an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase in the manufacture of a composition for the treatment of acidosis; a method of treatment of rumen acidosis which comprises administration of an effective amount of an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase to a ruminant; a formulation suitable for the treatment of acidosis in an animal which comprises an effective inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase in admixture with a suitable excipient, diluent or carrier selected with regard to the intended route of administration and standard pharmaceutical/veterinary/farming practice; screening methods useful in the identification of a suitable inhibitor of a bacterial &agr;-amylase and/or &agr;-glucosidase for the treatment of acidosis in a ruminant; a process for improving ruminant milk quality and/or quantity which comprises treatment of a ruminant with an effective amount of a
    Type: Application
    Filed: January 29, 2002
    Publication date: March 27, 2003
    Applicant: Pfizer Inc.
    Inventors: Bernard Joseph Banks, Mark Andrew Haxell, Graham Lunn, Michael Stephen Pacey, Lee Richard Roberts