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Enhanced gas dissolution
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Patent number 6,135,430
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Issue date Oct 24, 2000
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Praxair Technology, Inc.
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Thomas John Bergman
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Cryogenic rectification regenerator system
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Patent number 5,740,683
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Issue date Apr 21, 1998
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Praxair Technology, Inc.
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John Fredric Billingham
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Oxygen enrichment method and system
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Patent number 5,356,600
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Issue date Oct 18, 1994
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Praxair Technology, Inc.
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Kazuo Kiyonaga
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Oxygen bleaching of textiles
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Patent number 5,244,466
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Issue date Sep 14, 1993
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Praxair Technology, Inc.
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Lawrence M. Litz
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Waste treatment oxidation operations
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Patent number 5,200,080
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Issue date Apr 6, 1993
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Praxair Technology, Inc.
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Thomas J. Bergman
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Gas-liquid mixing process and apparatus
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Patent number 5,108,662
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Issue date Apr 28, 1992
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Union Carbide Industrial Gases Technology Corporation
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Lawrence M. Litz
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas dispersion process and system
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Patent number 4,867,918
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Issue date Sep 19, 1989
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Union Carbide Corporation
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Kazuo Kiyonaga
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL