US Patent 7528287 Preparation of poly(tetramethylene) glycol
Patent 7528287 was granted and assigned to E.I. Du Pont De Nemours And Company on May, 2009 by the United States Patent and Trademark Office.
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Patent abstract
This invention relates to a process comprising using ionic liquids for preparing poly(tetramethylene) glycol from tetrahydrofuran.
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US Patent 07528287 Preparation of poly(tetramethylene) glycol US Patent 7528287 Preparation of poly(tetramethylene) glycol
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Patent Number
0752828700
Patent Number
752828700
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075282870
Date of Patent
May 5, 2009
0Patent Application Number
115253310
Date Filed
September 22, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075282870
Date of Patent
May 5, 2009
0Patent Application Number
115253310
Date Filed
September 22, 2006
0Official Website
Patent Primary Examiner
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Golden AI
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Website URL
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US Patent 07528287 Preparation of poly(tetramethylene) glycol
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07528287
Date of patent
May 5, 2009
Patent application number
11525331
Date Filed
September 22, 2006
Patent primary examiner
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