Patents by Inventor David Charles Rees

David Charles Rees 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: 8895601
    Abstract: The invention relates to new quinoxaline derivative compounds, to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: November 25, 2014
    Assignee: Astex Therapeutics Ltd
    Inventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Christopher Norbert Johnson, Steven John Woodhead, David Charles Rees, Laurence Anne Mevellec, Patrick René Angibaud, Eddy Jean Edgard Freyne, Timothy Pietro Suren Perera, Ronaldus Arnodus Hendrika Joseph Gilissen, Berthold Wroblowski, Jean Fernand Armand Lacrampe, Alexandra Papanikos, Oliver Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
  • Publication number: 20140288040
    Abstract: The invention provides compounds of the formula (6): or a salt, N-oxide or tautomer thereof, wherein A is CH, CF or nitrogen; E is CH, CF or nitrogen; and R0 is hydrogen or C1-2 alkyl; R1a is selected from CONH2; CO2H; an optionally substituted acyclic C1-8 hydrocarbon group; and an optionally substituted monocyclic carbocyclic or heterocyclic group of 3 to 7 ring members, of which 0, 1, 2, 3 or 4 are heteroatom ring members selected from O, N and S; R2 is selected from hydrogen and a group R2a; R2a is selected from an optionally substituted acyclic C1-8 hydrocarbon group; an optionally substituted monocyclic carbocyclic or heterocyclic group of 3 to 7 ring members, of which 0, 1 or 2 ring members are heteroatom ring members selected from O, N and S; and an optionally substituted bicyclic heterocyclic group of 9 or 10 ring members, of which 1 or 2 ring members are nitrogen atoms; wherein at least one of R1 and R2 is other than hydrogen; R3 is an optionally substituted 3- to 10-membered monocyclic or bicyc
    Type: Application
    Filed: October 31, 2012
    Publication date: September 25, 2014
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Andrew James Woodhead, Gianni Chessari, Gilbert Ebai Besong, Maria Grazia Carr, Steven Douglas Hiscock, Michael Alistair O'Brien, David Charles Rees, Susanne Maria Saalau-Bethell, Hendrika Maria Gerarda Willems, Neil Thomas Thompson
  • Patent number: 8778936
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 15, 2014
    Assignee: Astex Therapeutics Limited
    Inventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
  • Publication number: 20140045831
    Abstract: The invention relates to bicyclic heterocycle compounds of formula (I): or tautomeric or stereochemically isomeric forms, N-oxides, pharmaceutically acceptable salts or the solvates thereof; wherein R1, R2, R3, A, W, U and V are as defined herein; to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
    Type: Application
    Filed: April 20, 2012
    Publication date: February 13, 2014
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Ildiko Maria Buck, Gianni Chessari, Steven Howard, David Charles Rees, Alison Jo-Anne Woolford
  • Patent number: 8497294
    Abstract: The invention provides a composition comprising (S)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S)2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, novel process intermediates and methods for making the novel process intermediates.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: July 30, 2013
    Assignees: Astex Therapeutics Limited, The Institute of Cancer Research: Royal Cancer Hospital, Cancer Research Technology Limtied
    Inventors: Steven John Woodhead, David Charles Rees, Kyla Merriom Grimshaw
  • Publication number: 20130072457
    Abstract: The invention relates to new quinoxaline derivative compounds, to pharmaceutical compositions comprising said compounds, to processes for the preparation of said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
    Type: Application
    Filed: April 28, 2011
    Publication date: March 21, 2013
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Christopher Norbert Johnson, Steven John Woodhead, Michael Reader, David Charles Rees, Laurence Anne Mevellec, Patrick René Angibaud, Eddy Jean Edgard Freyne, Tom Cornelis Hortense Govaerts, Johan Erwin Edmond Weerts, Timothy Pietro Suren Perera, Ronaldus Arnodus Hendrika Joseph Gilissen, Berthold Wroblowski, Jean Fernand Armand Lacrampe, Alexandra Papanikos, Oliver Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
  • Patent number: 8293767
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: October 23, 2012
    Assignee: Astex Therapeutics Limited
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
  • Publication number: 20120190673
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Application
    Filed: December 19, 2011
    Publication date: July 26, 2012
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Valerio BERDINI, Maria Grazia CARR, Adrian Liam GILL, Steven HOWARD, Eva Figueroa NAVARRO, Gary TREWARTHA, David Charles REES, Mladen VINKOVIC, Paul Graham WYATT
  • Patent number: 8110573
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: February 7, 2012
    Assignee: Astex Therapeutics Limited
    Inventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
  • Publication number: 20110274616
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Application
    Filed: July 22, 2011
    Publication date: November 10, 2011
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Paul Graham WYATT, David Charles REES, Mladen VINKOVIC, Gary TREWARTHA
  • Publication number: 20110269808
    Abstract: The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanok novel process intermediates and methods for making the novel process intermediates.
    Type: Application
    Filed: July 11, 2011
    Publication date: November 3, 2011
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED, THE INSTITUTE OF CANCER RESEARCH: ROYAL CANCER HOSPITAL
    Inventors: Steven John WOODHEAD, David Charles REES, Martyn FREDERICKSON, Kyla Merriom GRIMSHAW
  • Patent number: 8013163
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: September 6, 2011
    Assignee: Astex Therapeutics Limited
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
  • Publication number: 20100113551
    Abstract: The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, novel process intermediates and methods for making the novel process intermediates.
    Type: Application
    Filed: March 14, 2008
    Publication date: May 6, 2010
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Steven John Woodhead, David Charles Rees, Martyn Frederickson, Kyla Merriom Grimshaw
  • Publication number: 20090318500
    Abstract: The invention provides the compound of formula (I) 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide in a substantially crystalline form, therapeutic uses thereof and pharmaceutical compositions containing the crystalline compound. The invention also provides novel pharmaceutical formulations containing 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide and novel processes for preparing the compound.
    Type: Application
    Filed: May 4, 2007
    Publication date: December 24, 2009
    Applicant: Astex Therapeutics limited
    Inventors: Gary Trewartha, Eva Figueroa Navarro, David Charles Rees, Mladen Vinkovic, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20090012124
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Application
    Filed: January 20, 2006
    Publication date: January 8, 2009
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
  • Publication number: 20080132495
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Application
    Filed: December 30, 2005
    Publication date: June 5, 2008
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
  • Patent number: 5981755
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: November 9, 1999
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
  • Patent number: 5922681
    Abstract: Antagonists of endothelin are described, as well as methods of using them and pharmaceutical compositions containing them. These compounds are useful in controlling hypertension, myocardial infarction, pulmonary hypertension, angina, metabolic, endocrinological, and neurological disorders, congestive heart failure, septic or endotoxic shock, subarachnoid hemorrhage, arrhythmias, asthma, acute and chronic renal failure, preeclampsia, and diabetes.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: July 13, 1999
    Assignee: Warner-Lambert Company
    Inventors: Annette Marian Doherty, David Charles Rees
  • Patent number: 5856354
    Abstract: The invention concerns tachykinin antagonists. The compounds are neopeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: January 5, 1999
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
  • Patent number: 5716979
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: February 10, 1998
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees