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Dennis C. Kowalczyk
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Gibsonia, PA, US
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Patent Grant
FCC metals passivation additives applied to catalyst
Patent number
5,972,208
Issue date
Oct 26, 1999
The M. W. Kellogg Company
Terry L. Goolsby
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...