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Corrosion inhibitors and methods of use
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Patent number 6,866,797
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Issue date Mar 15, 2005
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BJ Services Company
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Richard L. Martin
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Settling aids for solids in hydrocarbons
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Patent number 5,481,059
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Issue date Jan 2, 1996
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Betz Laboratories, Inc.
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Gene F. Brock
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Method of inhibiting reservoir scale
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Patent number 5,409,062
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Issue date Apr 25, 1995
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Betz Laboratories, Inc.
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J. Michael Brown
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE