Patents by Inventor Emad El Sayed

Emad El Sayed 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).

  • Synthetic methods for spiro-oxindole compounds
    Patent number: 9695185
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: July 4, 2017
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Jacques Alexandre Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • SYNTHETIC METHODS FOR SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20160326184
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Application
    Filed: January 6, 2016
    Publication date: November 10, 2016
    Inventors: Jean-Jacques Alexandre Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin FU, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • Synthetic methods for spiro-oxindole compounds
    Patent number: 9260446
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: February 16, 2016
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Jacques Alexandre Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Ji, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • SYNTHETIC METHODS FOR SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20140336390
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Application
    Filed: May 7, 2014
    Publication date: November 13, 2014
    Applicant: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Jacques Alexandre Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Ji, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • Synthetic methods for spiro-oxindole compounds
    Patent number: 8742109
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 3, 2014
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Jacques Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • Synthetic methods for spiro-oxindole compounds
    Patent number: 8445696
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: May 21, 2013
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Jean-Jacques Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • SYNTHETIC METHODS FOR SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20130072686
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 21, 2013
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Jean-Jacques Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • SYNTHETIC METHODS FOR SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20110087027
    Abstract: This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 14, 2011
    Applicant: XENON PHARMACEUTICALS INC.
    Inventors: Jean-Jacques Cadieux, Mikhail Chafeev, Sultan Chowdhury, Jianmin Fu, Qi Jia, Stefanie Abel, Emad El-Sayed, Elke Huthmann, Thomas Isarno
  • Process for producing (1RS,3RS,6RS)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol
    Patent number: 7763754
    Abstract: A process for producing (1R,3R,6R)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol or (1S,3S,6S)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol or mixtures thereof.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: July 27, 2010
    Assignee: Gruenenthal GmbH
    Inventors: Helmut Heinrich Buschmann, Wolfgang Hell, Joerg Holenz, Oswald Zimmer, Irene Vaulont, Dieter Haag, Emad El Sayed, Robert Hett, Alfed Olbrich, Lars Pumpenmeier
  • Process for Producing (1RS,3RS,6RS)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol
    Publication number: 20090253936
    Abstract: A process for producing (1R,3R,6R)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol or (1S,3S,6S)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol or mixtures thereof.
    Type: Application
    Filed: February 27, 2009
    Publication date: October 8, 2009
    Applicant: Gruenenthal GmbH
    Inventors: Helmut Heinrich BUSCHMANN, Wolfgang Hell, Joerg Holenz, Oswald Zimmer, Irene Vaulont, Dieter Haag, Emad El Sayed, Robert Hett, Alfed Olbrich, Lars Pumpenmeier