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Process for NOx and CO control
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Patent number 4,980,137
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Issue date Dec 25, 1990
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Sanitech, Inc.
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Sidney G. Nelson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for Nox control
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Patent number 4,806,320
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Issue date Feb 21, 1989
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Sanitech, Inc.
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Sidney G. Nelson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for absorbing toxic gas
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Patent number 4,786,484
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Issue date Nov 22, 1988
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Sanitech, Inc.
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Sidney G. Nelson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Ion-selective water filter
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Patent number 4,711,718
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Issue date Dec 8, 1987
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Sanitech, Inc.
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Sidney G. Nelson
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...