Catalyst – solid sorbent – or support therefor: product or process – In form of a membrane
Reexamination Certificate
2011-05-17
2011-05-17
Clemente, Robert A (Department: 1775)
Catalyst, solid sorbent, or support therefor: product or process
In form of a membrane
C096S004000, C095S045000, C095S051000
Reexamination Certificate
active
07943543
ABSTRACT:
New ionic liquid-solid-polymer mixed matrix membranes were proposed for gas separations such as CO2removal from natural gas or N2. For the new mixed matrix membranes, the solids such as carbon molecular sieves, microporous molecular sieves, MCM-41 type of mesoporous molecular sieves, or polymer of intrinsic microporosity (PIM) are coated (or impregnated) with ionic liquids such as 1-butyl-3-methyl imidazolium bis[trifluoromethylsulfonyl]amide. The ionic liquids coated or impregnated solids are then dispersed in the continuous polymer matrix to form mixed matrix membranes. These hybrid mixed matrix membranes will combine the properties of the continuous polymer phase, the ionic liquids, and the dispersed ionic liquids coated or impregnated solids phase, which will possibly open up new opportunities for gas separation processes such as CO2separation from natural gas or flue gas.
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Kulprathipanja Santi
Liu Chunqing
Schott Mark E.
Wilson Stephen T.
Clemente Robert A
Goldberg Mark
UOP LLC
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