Patents by Inventor Sivaraj Shanker

Sivaraj Shanker 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 OF WATER PURIFICATION
    Publication number: 20080099403
    Abstract: The invention provides a method for the removal of biological species, such as Cryptosporidium, from water using aluminum based media which contains surface Al—OH groups.
    Type: Application
    Filed: December 28, 2007
    Publication date: May 1, 2008
    Applicant: SYDNEY WATER CORPORATION
    Inventors: Marilyn KARAMAN, Sivaraj Shanker, Heriberto Bustamante, Richard Pashley
  • Method of water purification
    Patent number: 7332088
    Abstract: The invention provides a method for the removal of biological species, such as Cryptosporidium, from water using aluminium based media which contains surface Al—OH groups.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: February 19, 2008
    Assignee: Sydney Water Corporation
    Inventors: Marilyn E. Karaman, Sivaraj Shanker, Heriberto Alejandro Bustamante, Richard Mark Pashley
  • Method for the destruction of oocysts
    Publication number: 20040202728
    Abstract: A method is provided for destroying oocysts, and destroying or inactivating sporozoites contained within the oocysts, by contacting the oocysts with a composition comprising surface-exposed AlOH groups to cause (a) the oocysts to rupture and the contained sporozoites to be released and/or (b) the oocysts to flatten resulting in destruction of the contained sporozoites. Also provided are pharmaceutical compositions, food supplements and items of clothing comprising a composition comprising surface-exposed AlOH groups.
    Type: Application
    Filed: May 18, 2004
    Publication date: October 14, 2004
    Inventors: Sivaraj Shanker, Heriberto Alejandro Bustamante, Marilyn Karaman, Richard Mark Pashley