Patents by Inventor Christopher Charles Frederick Hamlett

Christopher Charles Frederick Hamlett 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).

  • 4-AMINOBUT-2-ENAMIDE DERIVATIVES AND SALTS THEREOF
    Publication number: 20230023023
    Abstract: The present invention provides an antitumor agent comprising a compound or a pharmaceutically acceptable salt thereof that covalently binds to GTP-bound KRASG12C as an active ingredient.
    Type: Application
    Filed: October 29, 2020
    Publication date: January 26, 2023
    Inventors: KAZUAKI SHIBATA, YUICHI KAWAI, HIROKI ASAKURA, TETSUYA SUGIMOTO, NAOKI EGASHIRA, TOMOHIRO YAMAMOTO, TATSUYA SUZUKI, YUKI KATAOKA, TAKESHI SAGARA, TOSHIHIRO SAKAMOTO, HITOMI KONDO, CHRISTOPHER CHARLES FREDERICK HAMLETT, PATRICK SCHÖPF, DAVID GEOFFREY TWIGG
  • Pharmaceutical compounds
    Patent number: 11466016
    Abstract: The invention provides new pyrazine derivatives of formula (I): or a tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the substituents are as defined herein. The invention also provides pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: October 11, 2022
    Assignees: OTSUKA PHARMACEUTICAL CO., LTD., TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Christopher Norbert Johnson, Ildiko Maria Buck, Gianni Chessari, James Edward Harvey Day, Hideto Fujiwara, Christopher Charles Frederick Hamlett, Steven Douglas Hiscock, Rhian Sara Holvey, Steven Howard, John Walter Liebeschuetz, Nicholas John Palmer, Jeffrey David St Denis, David Geoffrey Twigg, Andrew James Woodhead
  • PYRAZOLYL QUINOXALINE KINASE INHIBITORS
    Publication number: 20220135544
    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: October 20, 2021
    Publication date: May 5, 2022
    Applicant: ASTEX THERAPEUTICS LTD
    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, Olivier Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
  • PHARMACEUTICAL COMPOUNDS
    Publication number: 20210107908
    Abstract: The invention provides new pyrazine derivatives of formula (I): or a tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the substituents are as defined herein. The invention also provides pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
    Type: Application
    Filed: March 1, 2019
    Publication date: April 15, 2021
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Christopher Norbert JOHNSON, Ildiko Maria BUCK, Gianni CHESSARI, James Edward Harvey DAY, Hideto FUJIWARA, Christopher Charles Frederick HAMLETT, Steven Douglas HISCOCK, Rhian Sara HOLVEY, Steven HOWARD, John Walter LIEBESCHUETZ, Nicholas John PALMER, Jeffrey David ST DENIS, David Geoffrey TWIGG, Andrew James WOODHEAD
  • PYRAZOLYL QUINOXALINE KINASE INHIBITORS
    Publication number: 20200131153
    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: October 25, 2019
    Publication date: April 30, 2020
    Applicant: ASTEX THERAPEUTICS LTD
    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, Olivier Alexis Georges QUEROLLE, Elisabeth Thérèse Jeanne PASQUIER, Isabelle Noëlle Constance PILATTE, Pascal Ghislain André BONNET, Werner Constant Johan EMBRECHTS, Rhalid AKKARI, Lieven MEERPOEL
  • Pteridines as FGFR inhibitors
    Patent number: 10272087
    Abstract: The invention relates to new pteridine derivative compounds, of formula (I), 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: July 6, 2016
    Date of Patent: April 30, 2019
    Assignee: ASTEX THERAPEUTICS LTD
    Inventors: Gordon Saxty, Christopher Charles Frederick Hamlett, Valerio Berdini, Christopher William Murray, Patrick René Angibaud, Olivier Alexis Georges Querolle, Virginie Sophie Poncelet
  • PYRAZOLYL QUINOXALINE KINASE INHIBITORS
    Publication number: 20180127397
    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: November 13, 2017
    Publication date: May 10, 2018
    Applicant: ASTEX THERAPEUTICS LTD
    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, Olivier Alexis Georges QUEROLLE, Elisabeth Thérèse Jeanne PASQUIER, Isabelle Noëlle Constance PILATTE, Pascal Ghislain André BONNET, Werner Constant Johan EMBRECHTS, Rhalid AKKARI, Lieven MEERPOEL
  • Substituted quinoxalines as FGFR kinase inhibitors
    Patent number: 9856236
    Abstract: The invention relates to new quinoxaline derivative compounds of formula (I), 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: August 3, 2015
    Date of Patent: January 2, 2018
    Assignee: ASTEX THERAPEUTICS LTD
    Inventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Steven John Woodhead, Yannick Aime Eddy Ligny, Patrick René Angibaud
  • Pyrazolyl quinoxaline kinase inhibitors
    Patent number: 9850228
    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, 2016
    Date of Patent: December 26, 2017
    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, 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, Olivier Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
  • PTERIDINES AS FGFR INHIBITORS
    Publication number: 20170000796
    Abstract: The invention relates to new pteridine 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: July 6, 2016
    Publication date: January 5, 2017
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Gordon SAXTY, Christopher Charles Frederick HAMLETT, Valerio BERDINI, Christopher William MURRAY, Patrick René ANGIBAUD, Olivier Alexis Georges QUEROLLE, Virginie Sophie PONCELET
  • PYRAZOLYL QUINOXALINE KINASE INHIBITORS
    Publication number: 20160311800
    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, 2016
    Publication date: October 27, 2016
    Applicant: ASTEX THERAPEUTICS LTD
    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, Olivier Alexis Georges QUEROLLE, Elisabeth Thérèse Jeanne PASQUIER, Isabelle Noëlle Constance PILATTE, Pascal Ghislain André BONNET, Werner Constant Johan EMBRECHTS, Rhalid AKKARI, Lieven MEERPOEL
  • Pyrazolyl quinoxaline kinase inhibitors
    Patent number: 9464071
    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: October 2, 2014
    Date of Patent: October 11, 2016
    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, 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, Olivier Alexis Georges Querolle, Elisabeth Thérèse Jeanne Pasquier, Isabelle Noëlle Constance Pilatte, Pascal Ghislain André Bonnet, Werner Constant Johan Embrechts, Rhalid Akkari, Lieven Meerpoel
  • Pteridines as FGFR inhibitors
    Patent number: 9447098
    Abstract: The invention relates to new pteridine derivative compounds of formula (I), 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.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: September 20, 2016
    Assignee: ASTEX THERAPEUTICS LTD
    Inventors: Gordon Saxty, Christopher Charles Frederick Hamlett, Valerio Berdini, Christopher William Murray, Patrick René Angibaud, Olivier Alexis Georges Querolle, Virginie Sophie Poncelet
  • Substituted quinoxalines as FGFR kinase inhibitors
    Patent number: 9290478
    Abstract: The invention relates to new quinoxaline derivative compounds of formula (I), 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: November 29, 2011
    Date of Patent: March 22, 2016
    Assignee: ASTEX THERAPEUTICS LTD
    Inventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Steven John Woodhead, Yannick Aime Eddy Ligny, Patrick René Angibaud
  • SUBSTITUTED QUINOXALINES AS FGFR KINASE INHIBITORS
    Publication number: 20160031856
    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: August 3, 2015
    Publication date: February 4, 2016
    Applicant: ASTEX THERAPEUTICS LTD
    Inventors: Gordon SAXTY, Christopher William MURRAY, Valerio BERDINI, Gilbert Ebai BESONG, Christopher Charles Frederick HAMLETT, Steven John WOODHEAD, Yannick Aime Eddy LIGNY, Patrick René ANGIBAUD
  • PTERIDINES AS FGFR INHIBITORS
    Publication number: 20150291589
    Abstract: The invention relates to new pteridine 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: May 30, 2013
    Publication date: October 15, 2015
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Gordon Saxty, Christopher Charles Frederick Hamlett, Valerio Berdini, Christopher William Murray, Patrick René Angibaud, Olivier Alexis Georges Querolle, Virginie Sophie Poncelet
  • Pharmaceutical compounds
    Patent number: 9145354
    Abstract: The invention provides compounds that are useful in the treatment of hepatitis C virus (HCV) infections.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: September 29, 2015
    Assignee: ASTEX THERAPEUTICS LIMITED
    Inventors: Andrew James Woodhead, Christopher Charles Frederick Hamlett, Gilbert Ebai Besong, Gianni Chessari, Maria Grazia Carr, Alessia Millemaggi, David Norton, Susanne Maria Saalau-Bethell, Hendrika Maria Gerarda Willems, Neil Thomas Thompson, Steven Douglas Hiscock
  • Substituted quinoxalines as FGFR kinase inhibitors
    Patent number: 9145394
    Abstract: The invention relates to new quinoxaline derivative compounds of formula (I), 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: November 29, 2011
    Date of Patent: September 29, 2015
    Assignee: ASTEX THERAPEUTICS LTD
    Inventors: Gordon Saxty, Christopher William Murray, Valerio Berdini, Gilbert Ebai Besong, Christopher Charles Frederick Hamlett, Steven John Woodhead, Yannick Aime Eddy Ligny, Patrick René Angibaud
  • PYRAZOLYL QUINOXALINE KINASE INHIBITORS
    Publication number: 20150105368
    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: October 2, 2014
    Publication date: April 16, 2015
    Applicant: ASTEX THERAPEUTICS LTD
    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
  • PHARMACEUTICAL COMPOUNDS
    Publication number: 20150051199
    Abstract: The invention provides compounds that are useful in the treatment of hepatitis C virus (HCV) infections.
    Type: Application
    Filed: October 31, 2012
    Publication date: February 19, 2015
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Andrew James Woodhead, Christopher Charles Frederick Hamlett, Gilbert Ebai Besong, Gianni Chessari, Maria Grazia Carr, Alessia Millemaggi, David Norton, Susanne Maria Saalau-Bethell, Hendrika Maria Gerarda Willems, Neil Thomas Thompson, Steven Douglas Hiscock