Patents by Inventor Haimei Chen

Haimei Chen 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: 20210251897
    Abstract: The present invention relates to nanoparticle encapsulated arsenic and platinum compositions and methods of use thereof. In particular, the present invention provides co-encapsulation of active forms of arsenic and platinum drugs into liposomes, and methods of using such compositions for the diagnosis and treatment of cancer.
    Type: Application
    Filed: October 3, 2019
    Publication date: August 19, 2021
    Inventors: Thomas V. O'Halloran, Haimei Chen, Andrew Mazar
  • Publication number: 20200214980
    Abstract: The present invention relates to nanoparticle encapsulated arsenic and platinum compositions and methods of use thereof. In particular, the present invention provides co-encapsulation of active forms of arsenic and platinum drugs into liposomes, and methods of using such compositions for the diagnosis and treatment of cancer.
    Type: Application
    Filed: October 3, 2019
    Publication date: July 9, 2020
    Inventors: Thomas V. O'Halloran, Haimei Chen, Andrew Mazar
  • Publication number: 20140220115
    Abstract: The present invention relates to nanoparticle encapsulated arsenic and platinum compositions and methods of use thereof. In particular, the present invention provides co-encapsulation of active forms of arsenic and platinum drugs into liposomes, and methods of using such compositions for the diagnosis and treatment of cancer.
    Type: Application
    Filed: April 7, 2014
    Publication date: August 7, 2014
    Applicant: NORTHWESTERN UNIVERSITY
    Inventors: Thomas V. O'Halloran, Haimei Chen, Andrew Mazar
  • Patent number: 8246983
    Abstract: The present invention relates to methods and compositions for the treatment of cancer and for research and analysis of cancer. In particular, the present invention provides encapsulated arsenic anti-cancer compositions with improved properties.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: August 21, 2012
    Assignee: Northwestern University
    Inventors: Thomas O'Halloran, Haimei Chen
  • Publication number: 20110020434
    Abstract: The present invention relates to nanoparticle encapsulated arsenic and platinum compositions and methods of use thereof. In particular, the present invention provides co-encapsulation of active forms of arsenic and platinum drugs into liposomes, and methods of using such compositions for the diagnosis and treatment of cancer.
    Type: Application
    Filed: September 8, 2010
    Publication date: January 27, 2011
    Inventors: Thomas V. O'Halloran, Haimei Chen, Andrew Mazar
  • Publication number: 20070065498
    Abstract: The present invention relates to methods and compositions for the treatment of cancer and for research and analysis of cancer. In particular, the present invention provides encapsulated arsenic anti-cancer compositions with improved properties.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 22, 2007
    Applicant: Northwestern University
    Inventors: Thomas O'Halloran, Haimei Chen
  • 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
  • Publication number: 20050239765
    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 substituted in or on the alkylene chain, or p is 1, A is NR7 and B is NR
    Type: Application
    Filed: June 23, 2005
    Publication date: October 27, 2005
    Inventors: Robert Morris, Peter 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: 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