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Phosphorus zeolites/molecular sieves
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Patent number 5,378,670
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Issue date Jan 3, 1995
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W. R. Grace & Co.-Conn.
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Ranjit Kumar
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalytic cracking catalysts
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Patent number 5,079,202
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Issue date Jan 7, 1992
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W. R. Grace & Co.-Conn.
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Ranjit Kumar
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Corrosion inhibitor
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Patent number 5,017,306
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Issue date May 21, 1991
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W. R. Grace & Co.-Conn.
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Donald A. Bansleben
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C07 - ORGANIC CHEMISTRY
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Inhibiting corrosion in aqueous systems
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Patent number 4,981,648
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Issue date Jan 1, 1991
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W. R. Grace & Co.-Conn.
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Ranjit Kumar
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...