Patents by Inventor Peter John Sadler

Peter John Sadler 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: 9598448
    Abstract: The present invention relates to the use of certain osmium containing complexes such as cytotoxic agents particularly for the treatment of cancer. There is also provided novel osmium containing complexes, as well as pharmaceutical formulations comprising such complexes.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: March 21, 2017
    Assignee: University of Warwick
    Inventors: Ying Fu, Peter John Sadler, Abraha Habtemariam
  • Publication number: 20160272663
    Abstract: The present invention relates to the use of certain osmium containing complexes such as cytotoxic agents particularly for the treatment of cancer. There is also provided novel osmium containing complexes, as well as pharmaceutical formulations comprising such complexes.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 22, 2016
    Applicant: University of Warwick
    Inventors: Ying Fu, Peter John Sadler, Abraha Habtemariam
  • Patent number: 9408853
    Abstract: The present invention relates to novel iridium and/or rhodium containing complexes for use as a cytotoxic, such as an anti-cancer agent. There is also provided a method of preparing said compounds.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: August 9, 2016
    Assignee: University of Warwick
    Inventors: Abraha Habtemariam, Zhe Liu, Joan Josep Soldevila, Ana Maria Pizarro, Peter John Sadler
  • Patent number: 9296772
    Abstract: The present invention relates to the use of certain osmium containing complexes such as cytotoxic agents particularly for the treatment of cancer. There is also provided novel osmium containing complexes, as well as pharmaceutical formulations comprising such complexes.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 29, 2016
    Assignee: The University of Warwick
    Inventors: Ying Fu, Peter John Sadler, Abraha Habtemariam
  • Publication number: 20130065864
    Abstract: The present invention relates to novel iridium and/or rhodium containing complexes for use as a cytotoxic, such as an anti-cancer agent. There is also provided a method of preparing said compounds.
    Type: Application
    Filed: May 20, 2011
    Publication date: March 14, 2013
    Applicant: UNIVERSITY OF WARWICK
    Inventors: Abraha Habtemariam, Zhe Liu, Joan Josep Soldevila, Ana Maria Pizarro, Peter John Sadler
  • Publication number: 20130040925
    Abstract: The present invention relates to the use of certain osmium containing complexes such as cytotoxic agents particularly for the treatment of cancer. There is also provided novel osmium containing complexes, as well as pharmaceutical formulations comprising such complexes.
    Type: Application
    Filed: April 15, 2011
    Publication date: February 14, 2013
    Applicant: UNIVERSITY OF WARWICK
    Inventors: Ying Fu, Peter John Sadler, Abraha Habtemariam
  • Publication number: 20100291236
    Abstract: The present invention relates to osmium compounds of formula (I), their preparation and use in methods of treatment, particularly for cancer treatment.
    Type: Application
    Filed: August 10, 2007
    Publication date: November 18, 2010
    Applicant: THE UNIVERSITY OF WARWICK
    Inventors: Peter John Sadler, Anna Frances Acushla Peacock, Sabine Helena Van Rijt, Abraha Habtemariam
  • Publication number: 20090318402
    Abstract: A ruthenium (II) compound of formula (I) wherein X is halo or a neutral or negatively charged O, N- or S-donor ligand; Y is a counterion; m is 0 or 1; q is 1, 2 or 3; A is either: (i) (Ru)—NRN1RN2—RN3—(N), where RN1 and RN2 are independently selected from H, optionally substituted C1-7alkyl, C3-20 heterocyclyl and C5-20aryl, and RN3 is C1-2alkylene; or (ii) a nitrogen-containing C5-6aromatic ring, wherein the nitrogen ring atom is bound to the ruthenium atom, and the ring is also bound to the azo-nitrogen, either by a single bond wherein the bond is ? or ? to the nitrogen ring atom, or by a —CH2? group wherein the bond is x to the nitrogen ring atom; B is optionally substituted C1-7alkyl, C3-20heterocyclyl or C5-20aryl.
    Type: Application
    Filed: March 7, 2007
    Publication date: December 24, 2009
    Applicant: The University Court of the University of Edinburg
    Inventors: Sarah Dougan, Abraha Habtemariam, Michael Melchart, Peter John Sadler
  • Publication number: 20090186864
    Abstract: A ruthenium (II) compound of formula (I): or a solvate form thereof for use in a method of therapy, wherein: R1, R2, R3, R4, R5 and R6 are independently selected from H, C1-7 alkyl, C5-20 aryl, C3-20 heterocyclyl, halo, ester, amido, acyl, sulfo, sulfonamido, ether, thioether, azo and amino, or R1 and R2 together with the ring to which they are attached form a saturated or unsaturated carbocyclic or heterocyclic group containing up to three 3- to 8-membered carbocyclic or heterocyclic rings, wherein each carbocyclic or heterocyclic ring may be fused to one or more other carbocyclic or heterocyclic rings; X is halo or a neutral or negatively charged O, N— or S— donor ligand; Y is a counterion; m is ?1, 0, 1 or 2; q is 1, 2 or 3; RC1 and RC2 independently represent one or more optional substituents selected from hydroxy, C1-7 alkoxy, C5-20 aryloxy, C1-7 alkyl, carboxy, C1-7 alkyl ester and C5-20 aryl ester; RN1 and RN2 are independently selected from hydroxy, C1-7 alkoxy, C5-20 aryloxy, C1-7 alkyl, carbo
    Type: Application
    Filed: May 21, 2007
    Publication date: July 23, 2009
    Inventors: Abraha Habtemariam, Tijana Bugarcic, Peter John Sadler
  • Patent number: 7241913
    Abstract: Ruthenium (II) compounds of formula (I) are useful in the treatment and/or prevention of cancer
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: July 10, 2007
    Assignee: The University Court of the University of Edinburgh
    Inventors: Abraha Habtemariam, Peter John Sadler
  • Patent number: 7176327
    Abstract: The present invention provides a compound of formula (I): PtIV(N3)2X1X2Y1Y2, wherein X1 and X2 are the same or different and each one is a group NR1R2R3 wherein R1, R2 and R3 are the same or different and each can be any one of H and optionally substituted alkyl, aryl, aralkyl, acyl, cycloalkyl, heterocyclyl, alkenyl, aralkenyl, alkinyl, cycloalkenyl, or X1 and X2 together represent a group R1R2NR4NR1R2 wherein R1 and R2 have the same meaning as before, and R4 represents an optionally substituted divalent, saturated or unsaturated, alkyl chain, an optionally substituted divalent, saturated or unsaturated cycloalkyl or an optionally substituted divalent aryl, or R4 or two or more of R1, R2, R3 and R4 and the respective N atom(s) to which they are linked, represent an optionally substituted heterocyclyl having at least one ring containing said N atom(s); and Y1 and Y2 are the same or different or when cis together represent a divalent moiety Y3, wherein at least one of Y1 and Y2, or Y3, is a substantially labil
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: February 13, 2007
    Assignee: University Court of the University of Edinburgh
    Inventors: Peter John Sadler, Philippe Muller
  • Patent number: 6979681
    Abstract: Ruthenium (II) compounds of the formula: wherein: R1 is —CO2CH3; R2, R3, R4, R5 and R6 independently represent H, alkyl, cylcoalkyl, —CO2R?, aryl or alkylaryl, which latter two groups are optionally substituted on the aromatic ring; R? represents alkyl, cylcoalkyl, aryl or alkaryl; X is halo, H2O, (R?)(R?)SO, R?CO2? or (R?)(R?)C?O, where R? represents alkyl, cylcoalkyl, aryl or alkaryl; Y is a counterion; m is 0 or 1; q is 1, 2 or 3; C? is C1 to C12 alkylene, optionally substituted in or on the alkylene chain, bound to two A groups; p is 0 or 1 and r is 1 when p is 0 and r is 2 when p is 1; and A and B are: each independently R11—CN, where R? represents alkyl or cycloalkyl; or B is halo and A is 4-substitued pyridine; or p is 0, A is NR7R8 and B is NR9R10wherein R7, R8, R9 and R10 independently represent H, or alkyl, and A and B are linked by an alkylene chain, optionally substituted in or on the alkylene chain; or p is 1, A is NR7 and B is NR9R10, wherein R7, R9 and R10 are as previously defined, and A a
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: December 27, 2005
    Assignee: University Court, The University of Edinburgh
    Inventors: Robert Edward Morris, Peter John Sadler, Haimei Chen, Duncan Jodrell
  • Patent number: 6936634
    Abstract: Compounds which may be used in the treatment and/or prevention of cancer have the formula (I): wherein R1 and R2 together with the ring to which they are bound represent a saturated or unsaturated carbocyclic or heterocyclic group
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: August 30, 2005
    Assignee: The University Court, The University of Edinburgh (UK)
    Inventors: Robert Edward Morris, Peter John Sadler, Duncan Jodrell, Haimei Chen
  • Publication number: 20040248873
    Abstract: The present invention provides a compound of formula (I): PtIV(N3)2X1X2Y1Y2, wherein X1 and X2 are the same or different and each one is a group NR1R2R3 wherein R1, R2 and R3 are the same or different and each can be any one of H and optionally substituted alkyl, aryl, aralkyl, acyl, cycloalkyl, heterocyclyl, alkenyl, aralkenyl, alkinyl, cycloalkenyl, or X1 and X2 together represent a group R1R2NR4NR1R2 wherein R1 and R2 have the same meaning as before, and R4 represents an optionally substituted divalent, saturated or unsaturated, alkyl chain, an optionally substituted divalent, saturated or unsaturated cycloalkyl or an optionally substituted divalent aryl, or R4 or two or more of R1, R2, R3 and R4 and the respective N atom(s) to which they are linked, represent an optionally substituted heterocyclyl having at least one ring containing said N atom(s); and Y1 and Y2 are the same or different or when cis together represent a divalent moiety Y3, wherein at least one of Y1 and Y2, or Y3, is a substantially labil
    Type: Application
    Filed: February 24, 2004
    Publication date: December 9, 2004
    Inventors: Peter John Sadler, Philippe Muller
  • Publication number: 20040220166
    Abstract: Compounds which may be used in the treatment and/or prevention of cancer have the formula (I) wherein: R1, R2, R3, R4, R5 and R6 independently represents H, alkyl, —CO2R′, aryl or alkylaryl, which latter two groups are optionally substituted on the aromatic ring; R′ represent alkyl, aryl or alkaryl; X is halo, H2O, (R′)(R″)SO, R′CO2— or (R′)(R″)C═O, where R″ represents alkyl, aryl or alkaryl; Y is a counterion; m is 0 or 1; q is 1, 2 or 3; C′ is C1 to C12 alkylene, optionally substituted in or on the alkylene chain, bound to two A groups; p is 0 or 1 and r is 1 when p is 0 and r is 2 when p is 1; and A and B are: each independently N-donor nitrile ligands; or B is halo and A is an N-donor pyridine ligand, optionally substituted at one or more of the carbon atoms of the pyridine ring; or p is 0, A is NR7R8 and B is NR9R10, wherein R7, R8, R9 and R10 independently represent H or alkyl, and A and B are linked by an alkylene chain, optionally
    Type: Application
    Filed: May 18, 2004
    Publication date: November 4, 2004
    Applicants: University Court, The University of Edinburgh, a United Kingdom corporation
    Inventors: Robert Edward Morris, Peter John Sadler, Haimei Chen, Duncan Jodrell
  • Patent number: 6750251
    Abstract: Compounds which may be used in the treatment and/or prevention of cancer have the formula (I) wherein: R1, R2, R3, R4, R5 and R6 independently represents H, alkyl, —CO2R′, aryl or akylaryl, which latter two groups are optionally substituted on the aromatic ring; R′ represent alkyl, aryl or alkaryl; X is halo, H2O, (R′)(R″)SO, R′CO2— or (R′)(R″)C═O, where R″ represents alkyl, aryl or alkaryl; Y is a counterion; m is 0 or 1; q is 1, 2 or 3; C′ is C1 to C12 alkylene, optionally substituted in or on the alkylene chain, bound to two A groups; p is 0 or 1 and r is 1 when p is 0 and r is 2 when p is 1; and A and B are: each independently N-donor nitrile ligands; or B is halo and A is an N-donor pyridine ligand, optionally substituted at one or more of the carbon atoms of the pyridine ring; or p is 0, A is NR7R8 and B is NR9R10, wherein R7, R8, R9 and R10 independently represent H or alkyl, and A and B are linked by an alkylene chain, optionally s
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: June 15, 2004
    Assignee: The University Court, The University of Edinburgh (UK)
    Inventors: Robert Edward Morris, Peter John Sadler, Haimei Chen, Duncan Jodrell
  • Publication number: 20040029852
    Abstract: Compounds which may be used in the treatment and/or prevention of cancer have the formula (I): wherein R1 and R2 together with the ring to which they are bound represent a saturated or unsaturated carbocyclic or heterocyclic group.
    Type: Application
    Filed: August 15, 2003
    Publication date: February 12, 2004
    Inventors: Robert Edward Morris, Peter John Sadler, Duncan Jodrell, Haimei Chen
  • Publication number: 20030023088
    Abstract: Compounds which may be used in the treatment and/or prevention of cancer have the formula (I) wherein: R1, R2, R3, R4, R5 and R6 independently represents H, alkyl, —CO2R′, aryl or akylaryl, which latter two groups are optionally substituted on the aromatic ring; R′ represent alkyl, aryl or alkaryl; X is halo, H2O, (R′)(R″)SO, R′CO2— or (R′)(R″)C═O, where R″ represents alkyl, aryl or alkaryl; Y is a counterion; m is 0 or 1; q is 1, 2 or 3; C′ is C1 to C12 alkylene, optionally substituted in or on the alkylene chain, bound to two A groups; p is 0 or 1 and r is 1 when p is 0 and r is 2 when p is 1; and A and B are: each independently N-donor nitrite ligands; or B is halo and A is an N-donor pyridine ligand, optionally substituted at one or more of the carbon atoms of the pyridine ring; or p is 0, A is NR7R8 and B is NR9R10, wherein R7, R8, R9 and R10 independently represent H or alkyl, and A and B are linked by an alkylene chain, optionally s
    Type: Application
    Filed: April 26, 2002
    Publication date: January 30, 2003
    Inventors: Robert Edward Morris, Peter John Sadler, Haimei Chen, Duncan Jodrell