Patents by Inventor Natalia Vainrot

Natalia Vainrot 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).

  • Polysulfone polymers and membranes for reverse osmosis, nanofiltration and ultrafiltration
    Patent number: 8944257
    Abstract: The invention provides modified polysulfones substituted in one or more of the phenyl rings by functional groups and membranes composed of the modified polysulfones. Also provided are methods for the preparation of monodispersed nanoporous polymeric membranes. The membranes are useful for reverse osmosis, nanofiltration, and ultrafiltration, particularly for purification of water.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: February 3, 2015
    Assignee: Technion Research and Development Foundation Ltd.
    Inventors: Moris S. Eisen, Raphael Semiat, Natalia Vainrot
  • POLYSULFONE POLYMERS AND MEMBRANES FOR REVERSE OSMOSIS, NANOFILTRATION AND ULTRAFILTRATION
    Publication number: 20110174728
    Abstract: The invention provides modified polysulfones substituted in one or more of the phenyl rings by functional groups and membranes composed of the modified polysulfones. Also provided are methods for the preparation of monodispersed nanoporous polymeric membranes. The membranes are useful for reverse osmosis, nanofiltration, and ultrafiltration, particularly for purification of water.
    Type: Application
    Filed: August 20, 2008
    Publication date: July 21, 2011
    Applicant: TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.
    Inventors: Moris S. Eisen, Raphael Semiat, Natalia Vainrot