Patents by Inventor Chaminda Priyapushpa Gamage

Chaminda Priyapushpa Gamage 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: 10100028
    Abstract: Methods of synthesizing prostaglandins, prostaglandin analogs and their synthetic intermediates are described. The methods can comprise metal-catalyzed metathesis reactions. Also provided are synthetic intermediates that can be used in the synthesis of the prostaglandins and prostaglandin analogs.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 16, 2018
    Assignee: Patheon API Services Inc.
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Denis Viktorovich Arefyev
  • Publication number: 20160237056
    Abstract: Methods of synthesizing prostaglandins, prostaglandin analogs and their synthetic intermediates are described. The methods can comprise metal-catalyzed metathesis reactions. Also provided are synthetic intermediates that can be used in the synthesis of the prostaglandins and prostaglandin analogs.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 18, 2016
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Denis Viktorovich Arefyev
  • Patent number: 9388154
    Abstract: The presently disclosed subject matter provides methods of preparing synthetic prostacyclin analogs, including Beraprost, either as racemic mixtures or as single stereoisomers. Also provided are novel synthetic intermediates for use in these methods.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: July 12, 2016
    Assignee: Lund Biotechnology PBC
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Denis Viktorovich Arefyev
  • Publication number: 20150025255
    Abstract: The presently disclosed subject matter provides methods of preparing synthetic prostacyclin analogues, including Beraprost, either as racemic mixtures or as single stereoisomers. Also provided are novel synthetic intermediates for use in these methods.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 22, 2015
    Applicant: Lung Biotechnology Inc.
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Denis Viktorovich Arefyev
  • Patent number: 8476471
    Abstract: The presently disclosed subject matter provides a method of synthesizing prostaglandins and prostaglandin analogs comprising the ring closing metathesis of compounds of Formula (I). Also provided are novel compounds of Formula (I) and Formula (II). In addition to their use as synthetic intermediates in the presently disclosed methods, compounds of Formula (II) can be used as prostaglandin and/or prostaglandin analog prodrugs.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: July 2, 2013
    Assignee: Irix Pharmaceuticals, Inc.
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Stephanie Bosse Abernathy
  • Publication number: 20120165293
    Abstract: The presently disclosed subject matter provides a method of synthesizing prostaglandins and prostaglandin analogs comprising the ring closing metathesis of compounds of Formula (I). Also provided are novel compounds of Formula (I) and Formula (II). In addition to their use as synthetic intermediates in the presently disclosed methods, compounds of Formula (II) can be used as prostaglandin and/or prostaglandin analog prodrugs.
    Type: Application
    Filed: July 13, 2010
    Publication date: June 28, 2012
    Inventors: George Petros Yiannikouros, Panos Kalaritis, Chaminda Priyapushpa Gamage, Stephenie Bosse Abernathy