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David O. Owen
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Aurora, IL, US
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last 30 patents
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Patent Grant
Method of forming ore pellets with superabsorbent polymer
Patent number
5,112,391
Issue date
May 12, 1992
Nalco Chemical Company
David O. Owen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Mixed polymers for preventing scale caused by mineral processing water
Patent number
5,080,801
Issue date
Jan 14, 1992
Nalco Chemical Company
Kent E. Molter
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Thickening of gold process slurries
Patent number
4,786,318
Issue date
Nov 22, 1988
Nalco Chemical Company
David O. Owen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Use of surfactants in alumina precipitation in the bayer process
Patent number
4,737,352
Issue date
Apr 12, 1988
Nalco Chemical Company
David O. Owen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Iron removal from bayer process liquor
Patent number
4,713,222
Issue date
Dec 15, 1987
Nalco Chemical Company
David O. Owen
C01 - INORGANIC CHEMISTRY