US Patent 7566744 Environmentally friendly demulsifiers for crude oil emulsions
Patent 7566744 was granted and assigned to Nalco (company) on July, 2009 by the United States Patent and Trademark Office.
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Patent Citations Received
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Patent Inventor Names
Carl Hahn0
Robert D. McClain0
Steven P. Newman0
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Patent abstract
The present invention provides environmentally friendly demulsifiers for the break down of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol copolymer linked to the poly(tetramethylene glycol) by a difunctional coupling agent.
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US Patent 07566744 Environmentally friendly demulsifiers for crude oil emulsions US Patent 7566744 Environmentally friendly demulsifiers for crude oil emulsions
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Patent Number
07566744
Patent Number
7566744
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Official Website
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US Patent 07566744 Environmentally friendly demulsifiers for crude oil emulsions
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Is a
Current assignee
Patent jurisdiction
Patent number
07566744
Date of patent
July 28, 2009
Patent application number
11017390
Date Filed
December 20, 2004
Patent primary examiner
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