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Polymers containing quaternized nitrogen
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Patent number 7,763,687
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Issue date Jul 27, 2010
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Cornell Research Foundation, Inc.
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Christopher K. Ober
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Membranes containing microporous structure
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Patent number 4,775,474
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Issue date Oct 4, 1988
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The Dow Chemical Company
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Chieh-Chun Chau
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Membranes comprising microporous structure
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Patent number 4,595,707
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Issue date Jun 17, 1986
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The Dow Chemical Company
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Kathleen M. McCreedy
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...