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Metals passivation
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Patent number 5,096,568
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Issue date Mar 17, 1992
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Phillips Petroleum Company
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Ted H. Cymbaluk
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Treatment of spent cracking catalysts
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Patent number 4,929,336
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Issue date May 29, 1990
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Phillips Petroleum Company
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Richard E. Lowery
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalytic cracking processes
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Patent number 4,663,025
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Issue date May 5, 1987
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Phillips Petroleum Company
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Chia-Min Fu
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Cracking process
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Patent number 4,632,748
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Issue date Dec 30, 1986
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Phillips Petroleum Co.
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Brent J. Bertus
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL