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    Mixed matrix membranes

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    7109140.pdf (1.376Mb)
    Downloads: 48
    Publication Date
    2006-09-19
    Filing Date
    2003-04-10
    Inventor
    Tsapatsis, Michael
    Marand, Eva
    Pechar, Todd W.
    Metadata
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    Abstract
    Mixed matrix membranes are prepared from zeolites and polymers, such as polyimides, in a void free fashion where either no voids or voids of less than several Angstroms are present at the interface of the polymer and the zeolite by bonding (hydrogen, ionic, or covalent) functional groups on the zeolite with functional groups on the polymer. The mixed matrix membranes may be cast or formed by ISAM processes, and may be present on a variety of supports including hollow fibers.
    Assignee
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    7109140
    Application Number
    10410599
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/40/091/071/0.pdf
    Primary/U.S. Class
    502/4
    Other/U.S. Class
    502/64
    502/77
    CPC Class
    B01J31/1616
    B01D53/228
    B01D67/0079
    B01D69/147
    B01D69/148
    B01D71/64
    B01J31/1608
    B01J31/1633
    B01J31/1805
    B01J35/065
    B01J37/0219
    B01J37/0244
    B01J37/0246
    B01D2323/21
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72535
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    • Virginia Tech Patents [619]

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