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Multi-stage membrane separation process
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Patent number 8,419,828
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Issue date Apr 16, 2013
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Shell Oil Company
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Zaida Diaz
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Removal of lithium from polymer cements
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Patent number 5,847,072
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Issue date Dec 8, 1998
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Shell Oil Company
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Zaida Diaz
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Removal of lithium from polymer cements
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Patent number 5,767,207
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Issue date Jun 16, 1998
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Shell Oil Company
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John David Wilkey
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Removal of lithium from polymer cements
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Patent number 5,750,032
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Issue date May 12, 1998
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Shell Oil Company
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Zaida Diaz
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Composition for H.sub.2 S removal
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Patent number 5,149,460
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Issue date Sep 22, 1992
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Shell Oil Company
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Donald C. Olson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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