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Demulsification of water-in-oil emulsion
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Patent number 8,093,304
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Issue date Jan 10, 2012
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Exxonmobil Upstream Research Company
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Ramesh Varadaraj
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Upgrading asphaltene containing oils
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Patent number 7,435,333
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Issue date Oct 14, 2008
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ExxonMobil Research and Engineering Company
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Ramesh Varadaraj
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Crude oil desalting method
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Patent number 6,228,239
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Issue date May 8, 2001
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Exxon Research and Engineering Company
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Pacifico V. Manalastas
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Chemical demulsifier for desalting heavy crude
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Patent number 6,168,702
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Issue date Jan 2, 2001
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Exxon Research and Engineering Company
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Ramesh Varadaraj
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Clarifying a contaminated fluid
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Patent number 4,634,510
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Issue date Jan 6, 1987
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Exxon Research and Engineering Company
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Donald J. Mintz
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL