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Philip R. Engelhardt
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Lake Zurich, IL, US
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last 30 patents
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Patent Grant
Removal of iron fouling in cooling water systems
Patent number
4,721,532
Issue date
Jan 26, 1988
W. R. Grace & Co.
Vincent R. Kuhn
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...