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Nancy L. Casselman
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Wheaton, IL, US
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last 30 patents
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Patent Grant
Method and composition for inhibiting growth of microorganisms incl...
Patent number
5,980,758
Issue date
Nov 9, 1999
Nalco Chemical Company
Judy G. LaZonby
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and composition for inhibiting growth of microorganisms incl...
Patent number
5,785,867
Issue date
Jul 28, 1998
Nalco Chemical Company
Judy G. LaZonby
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and composition for inhibiting growth of microorganisms incl...
Patent number
5,658,467
Issue date
Aug 19, 1997
Nalco Chemical Company
Judy G. LaZonby
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Synergy biocides for use in aqueous ore slurries
Patent number
5,637,587
Issue date
Jun 10, 1997
Nalco Chemical Company
Anthony E. Gross
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING