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Acid stable membranes for nanofiltration
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Patent number 7,138,058
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Issue date Nov 21, 2006
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GE Osmonics, Inc.
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Christopher J. Kurth
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Modified sulfonamide polymers
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Patent number 6,987,150
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Issue date Jan 17, 2006
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Osmonics, Inc.
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Christopher J. Kurth
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polysulfonamide matrices
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Patent number 6,837,996
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Issue date Jan 4, 2005
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GE Osmonics, Inc.
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Christopher J. Kurth
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Fire-resistant material and process
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Patent number 4,246,358
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Issue date Jan 20, 1981
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Monsanto Research Corporation
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James A. Ellard
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3873353
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Patent number 3,873,353
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Issue date Mar 25, 1975
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3202567
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Patent number 3,202,567
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Issue date Aug 24, 1965
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B32 - LAYERED PRODUCTS