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Corrosion inhibitor
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Patent number 4,970,026
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Issue date Nov 13, 1990
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Drew Chemical Corporation
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Michael A. Mullins
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Corrosion inhibitor
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Patent number 4,806,310
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Issue date Feb 21, 1989
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Drew Chemical Corporation
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Michael A. Mullins
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Corrosion inhibitor
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Patent number 4,664,884
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Issue date May 12, 1987
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Drew Chemical Corporation
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Michael A. Mullins
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Rinse water additive
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Patent number 4,647,314
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Issue date Mar 3, 1987
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Drew Chemical Corporation
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Michael A. Mullins
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...