Patents by Inventor Elisheva Zisner

Elisheva Zisner 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).

  • Separation of components of organic liquids
    Patent number: 6913696
    Abstract: A pervaporation process for separating organic liquid mixtures of components having differing polarities, uses an ion exchange membrane which comprises a polymerized alkene including pendant groups of formula SO2N(R)—A—QX where R is H or alkyl, A is alkylene, Q is quaternary ammonium, and X is a negatively-charged counter-ion, the sulfur content of the membrane being in the range 3-10 wt. %.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: July 5, 2005
    Assignee: Pervasiv LTD
    Inventors: Emanuel Korngold, Elisheva Zisner, Reuven Wachs