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Ultrafiltration membrane and process
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Patent number 7,784,621
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Issue date Aug 31, 2010
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Membrane Technology and Research, Inc.
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Ingo Pinnau
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Reverse osmosis membrane and process
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Patent number 7,490,725
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Issue date Feb 17, 2009
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Membrane Technology & Research
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Ingo Pinnau
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas separation using coated membranes
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Patent number 6,896,717
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Issue date May 24, 2005
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Membrane Technology and Research, Inc.
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Ingo Pinnau
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filled superglassy membrane
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Patent number 6,316,684
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Issue date Nov 13, 2001
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Membrane Technology and Research, Inc.
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Ingo Pinnau
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C07 - ORGANIC CHEMISTRY
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Membrane-augmented polypropylene manufacturing
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Patent number 6,271,319
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Issue date Aug 7, 2001
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Membrane Technology and Research, Inc.
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Richard W. Baker
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Hydrogen recovery process
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Patent number 6,159,272
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Issue date Dec 12, 2000
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Membrane Technology and Research, Inc.
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Richard W. Baker
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C01 - INORGANIC CHEMISTRY
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Ethylene/nitrogen separation process
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Patent number 5,879,431
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Issue date Mar 9, 1999
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Membrane Technology and Research, Inc.
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Richard W. Baker
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Methane/nitrogen separation process
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Patent number 5,669,958
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Issue date Sep 23, 1997
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Membrane Technology and Research, Inc.
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Richard W. Baker
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Olefin separation membrane and process
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Patent number 5,670,051
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Issue date Sep 23, 1997
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Membrane Technology and Research, Inc.
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Ingo Pinnau
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas-separation process
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Patent number 5,281,255
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Issue date Jan 25, 1994
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Membrane Technology and Research, Inc.
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Lora G. Toy
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL