Patents by Inventor Ajith Nissanka

Ajith Nissanka 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).

  • Method for the prevention and treatment of chronic venous insufficiency
    Publication number: 20010000731
    Abstract: The present invention provides a method for the prevention and treatment of chronic venous insufficiency. Specifically, the present invention provides a method for the prevention and treatment of varicose veins, particularly hemorrhoids by application of an effective amount of an isoquinoline alkaloid. Included in this invention is an improved method for isolating and purifying alkaloids, particularly isoquinoline alkaloids from plants.
    Type: Application
    Filed: December 19, 2000
    Publication date: May 3, 2001
    Inventors: Qi Jia, Zhihua Qiu, Ajith Nissanka, Belaid Mahiou, Thomas M. Farrow
  • Method for the prevention and treatment of chronic venous insufficiency
    Patent number: 6210680
    Abstract: The present invention provides a method for the prevention and treatment of chronic venous insufficiency. Specifically, the present invention provides a method for the prevention and treatment of varicose veins, particularly hemorrhoids by application of an effective amount of an isoquinoline alkaloid. Included in this invention is an improved method for isolating and purifying alkaloids, particularly isoquinoline alkaloids from plants.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: April 3, 2001
    Assignee: Univera Pharmaceuticals, Inc.
    Inventors: Qi Jia, Zhihua Qiu, Ajith Nissanka, Belaid Mahiou, Thomas M. Farrow