Patents by Inventor Carmen Leung

Carmen Leung 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).

  • Compounds
    Patent number: 7868181
    Abstract: The present invention relates to new compounds of formula I, where R1 and R2 are independently halo or C1-3haloalkyl, X is ethenyl or ethynyl, or a salt thereof.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: January 11, 2011
    Assignee: AstraZeneca AB
    Inventors: Carmen Leung, Miroslaw Tomaszewski, Simon Woo
  • Use of Spiro [Imidazolidine-4, 3' -Indole] 2, 2', 5' (1H) Triones for Treatment of Conditions Associated with Vanilloid Receptor 1
    Publication number: 20090176851
    Abstract: The present invention relates to a new use of spiro-hydantoin derivatives of formula (I), or salts, solvates or solvated salts thereof, as well as to new compounds, a process for their preparation and new intermediates used in the preparation thereof, pharmaceutical compositions containing said therapeutically active compounds and to the use of said active compounds in therapy.
    Type: Application
    Filed: February 6, 2007
    Publication date: July 9, 2009
    Applicant: AstraZeneca AB
    Inventors: Lucy Horoszok, Carmen Leung, Miroslaw Tomaszewski, Christopher Walpole
  • New Compounds
    Publication number: 20090137650
    Abstract: The present invention relates to new compounds of formula I, where R1 and R2 are independently halo or C1-3haloalkyl, X is ethenyl or ethynyl, or a salt thereof.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 28, 2009
    Inventors: Carmen Leung, Miroslaw Tomaszewski, Simon Woo
  • Novel Spiro [Imidazolidine-4, 3' -Indole] 2, 2', 5' (1H) Triones for Treatment of Conditions Associated with Vanilloid Receptor 1
    Publication number: 20090076049
    Abstract: The present invention relates to new compounds of formula (I), wherein R1 to R9 and X are as defined as in formula I, or salts, solvates or solvated salts thereof, processes for their preparation and to new intermediates used in the preparation thereof, pharmaceutical formulations containing said compounds and to the use of said compounds in therapy.
    Type: Application
    Filed: February 6, 2007
    Publication date: March 19, 2009
    Applicant: AstraZeneca AB
    Inventors: Lucy Horoszok, Carmen Leung, Miroslaw Tomaszewski, Christopher Walpole
  • Benzodiazepine derivatives, preparation thereof and use thereof
    Patent number: 7375101
    Abstract: Compounds of Formula (I) wherein R1, R3, R4, R5 and X are as defined in the specification, as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared.
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: May 20, 2008
    Assignee: AstraZeneca AB
    Inventors: Carmen Leung, Vijayaratnam Santhakumar, Miroslaw Tomaszewski, Simon Woo
  • Cb 1/cb 2 receptor ligands and their use in the treatment of pain
    Publication number: 20060052315
    Abstract: Compounds of formula (I) or pharmaceutically acceptable salts thereof wherein Ar1?, Ar2?, R1?, R2?, n and X are as defined in the specifications well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: December 29, 2003
    Publication date: March 9, 2006
    Applicant: AstraZeneca AB
    Inventors: Carmen Leung, Miroslaw Tomaszewski, Simon Woo
  • Benzodiazepine derivatives, preparation thereof and use thereof
    Publication number: 20050176699
    Abstract: Compounds of Formula (I) wherein R1, R3, R4, R5 and X are as defined in the specification, as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: December 11, 2002
    Publication date: August 11, 2005
    Applicant: AstraZeneca AB
    Inventors: Carmen Leung, Vijayaratnam Santhakumar, Miroslaw Tomaszewski, Simon Woo