Patents by Inventor Robert Mark Pratt

Robert Mark Pratt 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: 20090181939
    Abstract: Compounds of formula (I) and their use in therapy, particularly for the treatment of a disorder mediated by CB1 receptors, such as obesity, wherein: R1 is aryl or heteroaryl; R2 is alkyl, aryl or heteroaryl; R3 is alkyl, aryl, heteroaryl, NR9R10, OR15, or NR16C(O)R17; Y is C?O, C?S, SO2, or (CR7R8)p; m=1 or 2; n=1 or 2; and p=1, 2, 3 or 4, R7 to R17 being as defined in the specification; wherein if —Y—R3 is C(O)NH(alkyl) then: R1 and/or R2 is selected from heteroaryl; and/or m and/or n is 2; and/or R11 and/or R12 is lower alkyl, or a pharmaceutically acceptable salt or prodrug thereof.
    Type: Application
    Filed: March 19, 2009
    Publication date: July 16, 2009
    Applicant: VERNALIS RESEARCH LIMITED.
    Inventors: James Edward Paul Davidson, Jonathan Mark Bentley, Claire Elizabeth Dawson, Kerry Harrison, Howard Langham Mansell, Alan Leslie Pither, Robert Mark Pratt, Jonathan Richard Anthony Roffey, Victoria Jane Ruston
  • Patent number: 7504522
    Abstract: Compounds of formula (I) and their use in therapy, particularly for the treatment of a disorder mediated by CB1 receptors such as obesity: Formula (I) wherein: R1 and R2 are independently selected from aryl; and R3 is hydrogen or alkyl; or a pharmaceutically acceptable salt or prodrug thereof, wherein at least one of R1 and R2 has a non-hydrogen substituent in the ortho-position(s) thereof relative to the point of attachment to the [—CH—O—] group.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: March 17, 2009
    Assignee: Vernalis Research Limited
    Inventors: James Edward Paul Davidson, Claire Elizabeth Dawson, Kerry Harrison, Howard Langham Mansell, Robert Mark Pratt, Sukhjit Sohal, Victoria Jane Ruston
  • Patent number: 7452894
    Abstract: Use of a compound of formula (I) wherein R1 is selected from alkyl, aryl, alkoxy, aryloxy, 0thioalkyl, thioaryl, CN, halo, NR5R6, NR4COR5, NR4CONR5R6, NR4CO2R7 and NR4SO2R7; R2 is selected from N, O or S-containing heteroaryl groups, wherein the heteroaryl group is attached via an unsaturated carbon atom which is adjacent to one or two N, O or S-heteroatom(s), other than ortho, ortho-disubstituted heteroaryl groups; R3 is selected from H, alkyl, COR8, CONR9R10, CONR8NR9R10, CO2R11 and SO2R11; R4, R5 and R6 are independently selected from H, alkyl and aryl or where R5 and R6 are in an (NR5R6) group then R5 and R6 may be linked to form a heterocyclic ring; R7 is selected from alkyl and aryl; R8, R9 and R10 are independently selected from H, alkyl and aryl, or R9 and R10 may be linked to form a heterocyclic ring, or where R8, R9 and R10 are in a (CONR8NR9R10) group, R8 and R9 may be linked to form a heterocyclic group; and R11, is selected from alkyl and aryl, or a pharmaceutically acceptable salt thereof or pro
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: November 18, 2008
    Assignee: Vernalis Research Limited
    Inventors: Roger John Gillespie, Joanne Lerpiniere, Claire Elizabeth Dawson, Suneel Gaur, Robert Mark Pratt, Gemma Caroline Stratton, Scott Murray Weiss
  • Publication number: 20080153820
    Abstract: A compound of formula (I), wherein X is S or O; R1 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, COR5, CO2R5, CONR5R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8, and NR5SO2R8; R2 is selected from aryl attached via an unsaturated carbon atom; R3 is selected from H, alkyl, hydroxy, alkoxy, halogen, CN and NO2; R3 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, NO2, COR5, CO2R5, CONR6R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8 and NR5SO2R8; R5, R6 and R7 are independently selected from H, alkyl and aryl or where R6 and R7 are in an (NR6R7) group, R6 and R7 may be linked to form a heterocyclic group, or where R5, R6 and R7 are in a (CONR5NR6R7) group, R5 and R6 may be linked to form a heterocyclic group; and R8 is selected from alkyl and aryl, or a pharmaceutically acceptable salt thereof or prodrug thereof, and the use thereof in therapy and in the treatment or prevention of a disorder in which the blockin
    Type: Application
    Filed: February 22, 2008
    Publication date: June 26, 2008
    Inventors: Roger John Gillespie, Joanne Lerpiniere, Claire Elizabeth Dawson, Suneel Gaur, Robert Mark Pratt
  • Patent number: 7384949
    Abstract: A compound of formula (I), wherein X is S or O; R1 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, COR5, CO2R5, CONR6R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8, and NR5SO2R8; R2 is selected from aryl attached via an unsaturated carbon atom; R3 is selected from H, alkyl, hydroxy, alkoxy, halogen, CN and NO2; R4 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, NO2, COR5, CO2R5, CONR6R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8 and NR5SO2R8; R5, R6 and R7 are independently selected from H, alkyl and aryl or where R6 and R7 are in an (NR6R7) group, R6 and R7 may be linked to form a heterocyclic group, or where R5, R6 and R7 are in a (CONR5NR6R7) group, R5 and R6 may be linked to form a heterocyclic group; and R8 is selected from alkyl and aryl, or a pharmaceutically acceptable salt thereof or prodrug thereof, and the use thereof in therapy and in the treatment or prevention of a disorder in which the blockin
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: June 10, 2008
    Assignee: Vernalis Research Limited
    Inventors: Roger John Gillespie, Joanne Lerpiniere, Claire Elizabeth Dawson, Suneel Gaur, Robert Mark Pratt
  • Patent number: 7323466
    Abstract: The present invention refers to chemical compounds of formula (I) as well as pharmaceutically acceptable salts and esters thereof, wherein R1 to R5 have the significance given in claim 1. These compounds can be used for the preparation of medicaments.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: January 29, 2008
    Assignees: Hoffman-La Roche Inc., Vernalis Research Limited
    Inventors: Jonathan Mark Bentley, Claire Elizabeth Dawson, Wolfgang Guba, Paul Hebeisen, Nathaniel Monck, Robert Mark Pratt, Hans Richter, Stephan Roever, Vicki Ruston
  • Patent number: 7022707
    Abstract: The present invention is a chemical compound of formula (I) or a pharmaceutically acceptable salts, solvates and esters thereof, wherein R1 to R4, A1, A2 m and n are as described in the specification.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: April 4, 2006
    Assignees: Hoffman-La Roche Inc., Vernalis Research Limited
    Inventors: David Reginald Adams, Jonathan Mark Bentley, James Edward Paul Davidson, Claire Elizabeth Dawson, Ashley Roger George, Howard Langham Mansell, Patrizio Mattei, Jacques Mizrahi, Matthias Heinrich Nettekoven, Robert Mark Pratt, Stephan Roever, Jonathan Richard Anthony Roffey, Jean-Luc Specklin, Henri Stalder, Kerry Wilkinson
  • Publication number: 20040235859
    Abstract: The present invention is a chemical compound of formula (I) 1
    Type: Application
    Filed: June 23, 2004
    Publication date: November 25, 2004
    Inventors: David Reginald Adams, Jonathan Mark Bentley, James Edward Paul Davidson, Claire Elizabeth Dawson, Ashley Roger George, Howard Langham Mansell, Patrizio Mattei, Jacques Mizrahi, Matthias Heinrich Nettekoven, Robert Mark Pratt, Stephan Roever, Jonathan Richard Anthony Roffey, Jean-Luc Specklin, Henri Stalder, Kerry Wilkinson
  • Publication number: 20040102459
    Abstract: Use of a compound of formula (I) wherein R1 is selected from alkyl, aryl, alkoxy, aryloxy, 0thioalkyl, thioaryl, CN, halo, NR5R6, NR4COR5, NR4CONR5R6, NR4CO2R7 and NR4SO2R7; R2 is selected from N, O or S-containing heteroaryl groups, wherein the heteroaryl group is attached via an unsaturated carbon atom which is adjacent to one or two N, O or S-heteroatom(s), other than ortho, ortho-disubstituted heteroaryl groups; R3 is selected from H, alkyl, COR8, CONR9R10, CONR8NR9R10, CO2R11 and SO2R11; R4, R5 and R6 are independently selected from H, alkyl and aryl or where R5 and R6 are in an (NR5R6) group then R5 and R6 may be linked to form a heterocyclic ring; R7 is selected from alkyl and aryl; R8, R9 and R10 are independently selected from H, alkyl and aryl, or R9 and R10 may be linked to form a heterocyclic ring, or where R8, R9 and R10 are in a (CONR8NR9R10) group, R8 and R9 may be linked to form a heterocyclic group; and R11, is selected from alkyl and aryl, or a pharmaceutically acceptable salt thereof or pro
    Type: Application
    Filed: November 13, 2003
    Publication date: May 27, 2004
    Inventors: Roger John Gillespie, Joanne Lerpiniere, Claire Elizabeth Dawson, Suneel Gaur, Robert Mark Pratt, Gemma Caroline Stratton, Scott Murray Weiss
  • Publication number: 20040097524
    Abstract: A compound of formula (I), wherein X is S or O; R1 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, COR5, CO2R5, CONR6R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8, and NR5SO2R8; R2 is selected from aryl attached via an unsaturated carbon atom; R3 is selected from H, alkyl, hydroxy, alkoxy, halogen, CN and NO2; R4 is selected from H, alkyl, aryl, hydroxy, alkoxy, aryloxy, thioalkyl, thioaryl, halogen, CN, NO2, COR5, CO2R5, CONR6R7, CONR5NR6R7, NR6R7, NR5CONR6R7, NR5COR6, NR5CO2R8 and NR5SO2R8; R5, R6 and R7 are independently selected from H, alkyl and aryl or where R6 and R7 are in an (NR6R7) group, R6 and R7 may be linked to form a heterocyclic group, or where R5, R6 and R7 are in a (CONR5NR6R7) group, R5 and R6 may be linked to form a heterocyclic group; and R8 is selected from alkyl and aryl, or a pharmaceutically acceptable salt thereof or prodrug thereof, and the use thereof in therapy and in the treatment or prevention of a disorder in which the blockin
    Type: Application
    Filed: November 4, 2003
    Publication date: May 20, 2004
    Inventors: Roger John Gillespie, Joanne Lerpiniere, Claire Elizabeth Dawson, Suneel Gaur, Robert Mark Pratt
  • Publication number: 20020143020
    Abstract: The present invention is a chemical compound of formula (I) 1
    Type: Application
    Filed: December 7, 2001
    Publication date: October 3, 2002
    Inventors: David Reginald Adams, Jonathan Mark Bentley, James Edward Paul Davidson, Claire Elizabeth Dawson, Ashley Roger George, Howard Langham Mansell, Patrizio Mattei, Jacques Mizrahi, Matthias Heinrich Nettekoven, Robert Mark Pratt, Stephan Roever, Jonathan Richard Anthony Roffey, Jean-Luc Specklin, Henri Stalder, Kerry Wilkinson
  • Patent number: 6380238
    Abstract: For use in therapy a chemical compound of formula (I), wherein R1 to R3 are independently selected from hydrogen and alkyl; R4 to R7 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, heterocyclyl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfoxyl, alkylsulfonyl, arylsulfoxyl, arylsulfonyl, amino, monoalkylamino, dialkylamino, nitro, cyano, carboxaldehyde, alkylcarbonyl, arylcarbonyl, aminocarbonyl, monoalkylaminocarbonyl, dialkylaminocarbonyl, alkoxycarbonylamino, aminocarbonyloxy, monoalkylaminocarbonyloxy, dialkylaminocarbonyloxy, monoalkylaminocarbonylamino and dialkylaminocarbonylamino, wherein at least one of R4 to R7 is a substituent group other than hydrogen, and pharmaceutically acceptable salts and prodrugs thereof, particularly for the treatment of disorders of the central nervous system; damage to the central nervous system; cardiovascular disorders; gastrointestinal disorders; diabetes insipidus, and sleep apnea, and especially for the treatment of obesit
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: April 30, 2002
    Assignee: Vernalis Research Limited
    Inventors: David Reginald Adams, Jonathan Mark Bentley, Jonathan Richard Anthony Roffey, Richard John Hamlyn, Suneel Gaur, Matthew Alexander James Duncton, David Bebbington, Nathaniel Julius Monck, Claire Elizabeth Dawson, Robert Mark Pratt, Ashley Roger George