Patents by Inventor Ashok Jagannth Gadgil

Ashok Jagannth Gadgil 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).

  • Compositions and methods for removing arsenic in water
    Patent number: 7892436
    Abstract: Compositions and methods and for contaminants from water are provided. The compositions comprise ferric hydroxide and ferric oxyhydride coated substrates for use in removing the contaminant from the water. Contacting water bearing the contaminant with the substrates can substantially reduce contaminant levels therein. Methods of oxidizing the contaminants in water to facilitate their removal by the ferric hydroxide and ferric oxyhydride coated substrates are also provided. The contaminants include, but are not limited to, arsenic, selenium, uranium, lead, cadmium, nickel, copper, zinc, chromium and vanadium, their oxides and soluble salts thereof.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: February 22, 2011
    Assignee: The Regents of the University of California
    Inventor: Ashok Jagannth Gadgil
  • Compositions and Methods For Removing Arsenic in Water
    Publication number: 20080197081
    Abstract: Compositions and methods and for contaminants from water are provided. The compositions comprise ferric hydroxide and ferric oxyhydride coated substrates for use in removing the contaminant from the water Contacting water bearing the contaminant with the substrates can substantially reduce contaminant levels therein. Methods of oxidizing the contaminants in water to facilitate their removal by the ferric hydroxide and ferric oxyhydride coated substrates are also provided. The contaminants include, but are not limited to, arsenic, selenium, uranium, lead, cadmium, nickel, copper, zinc, chromium and vanadium, their oxides and soluble salts thereof.
    Type: Application
    Filed: April 25, 2006
    Publication date: August 21, 2008
    Applicant: The Regents of the University of California
    Inventor: Ashok Jagannth Gadgil