Patents by Inventor Hafiz Zahid Shafi

Hafiz Zahid Shafi 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).

  • Development of zwitterionic coatings that confer ultra anti-biofouling properties to commercial reverse osmosis membranes
    Patent number: 9598598
    Abstract: Disclosed are methods of preparing antifouling coatings on reverse osmosis membranes with initiated chemical vapor deposition. The coatings enhance the stability and lifetime of membranes without sacrificing performance characteristics, such as permeability or salt retention.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: March 21, 2017
    Assignees: Massachusetts Institute of Technology, King Fahd University of Petroleum and MInerals
    Inventors: Karen K. Gleason, Zafarullah Khan, Hafiz Zahid Shafi, Rong Yang
  • Development of Zwitterionic Coatings that Confer Ultra Anti-Biofouling Properties to Commercial Reverse Osmosis Membranes
    Publication number: 20160002489
    Abstract: Disclosed are methods of preparing antifouling coatings on reverse osmosis membranes with initiated chemical vapor deposition. The coatings enhance the stability and lifetime of membranes without sacrificing performance characteristics, such as permeability or salt retention.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 7, 2016
    Inventors: Karen K. Gleason, Zafarullah Khan, Hafiz Zahid Shafi, Rong Yang