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Air purification process
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Patent number 6,238,460
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Issue date May 29, 2001
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The BOC Group, Inc.
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Shuguang Deng
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air purification process
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Patent number 5,980,611
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Issue date Nov 9, 1999
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The BOC Group, Inc.
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Ravi Kumar
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Preparation of ion-exchanged zeolites
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Patent number 5,932,509
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Issue date Aug 3, 1999
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The BOC Group, Inc.
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Vijay Ramanand Balse
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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