Patents by Inventor Anokha RATNAYAKE

Anokha RATNAYAKE 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).

  • Spliceostatin analogs and methods for their preparation
    Patent number: 9764040
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: September 19, 2017
    Assignee: Pfizer Inc.
    Inventors: Chakrapani Subramanyam, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang
  • SPLICEOSTATIN ANALOGS AND METHOS FOR THEIR PREPARATION
    Publication number: 20170014523
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 19, 2017
    Inventors: Chakrapani SUBRAMANYAM, Frank Erich KOEHN, Kenneth John DIRICO, Alessandra S. EUSTAQUIO, Michael Eric GREEN, Haiyin HE, Min HE, Christopher John O'DONNELL, Sujiet PUTHENVEETIL, Anokha RATNAYAKE, Jesse Alexander TESKE, Hui Yu YANG
  • Spliceostatin analogs and methods for their preparation
    Patent number: 9504669
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: November 29, 2016
    Assignee: Pfizer Inc.
    Inventors: Chakrapani Subramanyam, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang
  • SPLICEOSTATIN ANALOGS AND METHODS FOR THEIR PREPARATION
    Publication number: 20160022626
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Application
    Filed: August 5, 2015
    Publication date: January 28, 2016
    Inventors: Chakrapani SUBRAMANYAM, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang
  • Spliceostatin analogs and methods for their preparation
    Patent number: 9169264
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: October 27, 2015
    Assignee: Pfizer Inc.
    Inventors: Chakrapani Subramanyam, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang
  • SPLICEOSTATIN ANALOGS AND METHODS FOR THEIR PREPARATION
    Publication number: 20140134193
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Application
    Filed: October 31, 2013
    Publication date: May 15, 2014
    Applicant: PFIZER INC.
    Inventors: Chakrapani SUBRAMANYAM, Frank Erich KOEHN, Kenneth John DIRICO, Alessandra S. EUSTAQUIO, Michael Eric GREEN, Haiyin HE, Min HE, Christopher John O'DONNELL, Sujiet PUTHENVEETIL, Anokha RATNAYAKE, Jesse Alexander TESKE, Hui Yu YANG