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Polyalkanolamines
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Patent number 4,840,748
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Issue date Jun 20, 1989
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polyalkanolamines
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Patent number 4,731,481
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Issue date Mar 15, 1988
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Water soluble biocides
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Patent number 4,671,815
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Issue date Jun 9, 1987
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Petrolite Corporation
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Thomas J. Bellos
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C07 - ORGANIC CHEMISTRY
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Polyalkanolamines
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Patent number 4,505,839
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Issue date Mar 19, 1985
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Thioureylenes
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Patent number 4,492,658
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Issue date Jan 8, 1985
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Petrolite Corporation
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Thomas J. Bellos
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C07 - ORGANIC CHEMISTRY
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Block polymers of alkanolamines
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Patent number 4,404,362
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Issue date Sep 13, 1983
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Flotation processes using ureylenes
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Patent number 4,376,708
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Issue date Mar 15, 1983
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ureylenes and uses thereof
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Patent number 4,303,780
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Issue date Dec 1, 1981
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Petrolite Corporation
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Thomas J. Bellos
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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