US Patent 7431845 Method of clarifying oily waste water
Patent 7431845 was granted and assigned to Nalco (company) on October, 2008 by the United States Patent and Trademark Office.
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Patent abstract
A method of clarifying oily waste water comprising adding to the waste water an effective clarifying amount of one or more demulsifiers selected from the group consisting of dendritic polyamines, dendritic polyamidoamines and hyperbranched polyethyleneimines and the reaction products thereof with gluconolactone, alkylene oxides, salts of 3-chloro-2-hydroxypropanesulfonic acid, alkyl halides, benzyl halides and dialkyl sulfates.
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US Patent 07431845 Method of clarifying oily waste water US Patent 7431845 Method of clarifying oily waste water
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Patent Number
0743184500
Patent Number
743184500
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074318450
Date of Patent
October 7, 2008
0Patent Application Number
111594980
Date Filed
June 23, 2005
0Official Website
Patent Primary Examiner
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074318450
Date of Patent
October 7, 2008
0Patent Application Number
111594980
Date Filed
June 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07431845 Method of clarifying oily waste water
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07431845
Date of patent
October 7, 2008
Patent application number
11159498
Date Filed
June 23, 2005
Patent primary examiner
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