Patents Represented by Attorney Laura Scalise

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  • Hydrophilic cross-linked polymeric membranes and sorbents
    Patent number: 7622045
    Abstract: Hydrophilic cross-linked polymeric membranes, when prepared according to the process of the present invention, are unique in character in as much as the steady state permeability of the membrane has been altered by blending and cross-linking polyalkyl amines and polyalcohols. To obtain desired results, the compositions must contain at least 10% polyalkyl amines, with preferred amounts of polyalkyl amines in the composition being in excess of 40%, with over 50% polyalkyl amine concentration by weight.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: November 24, 2009
    Assignee: The United States of America as represented by the Admin. of Environmental Prot. Agcy
    Inventors: Leland Vane, Ravi Ponangi, Vasudevan Namboodiri