US Patent 7718841 Extractive distillation
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Patent abstract
A method for reducing corrosion in a diolefin extractive distillation process comprising preventing the formation of ammonium carbonate by promoting the formation of a carbonate salt that does not dissociate in the ammonium carbonate dissociation temperature range of that extractive distillation process.
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US Patent 07718841 Extractive distillation US Patent 7718841 Extractive distillation
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Patent Number
0771884100
Patent Number
771884100
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Patent Jurisdiction
Patent Number
077188410
Date of Patent
May 18, 2010
0Patent Application Number
121573000
Date Filed
June 9, 2008
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
077188410
Date of Patent
May 18, 2010
0Patent Application Number
121573000
Date Filed
June 9, 2008
0Official Website
Patent Primary Examiner
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US Patent 07718841 Extractive distillation
Infobox
Is a
Patent jurisdiction
Patent number
07718841
Date of patent
May 18, 2010
Patent application number
12157300
Date Filed
June 9, 2008
Patent primary examiner
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