US Patent 7317121 Preparation of aliphatic oligocarbonate polyols
Patent 7317121 was granted and assigned to Bayer MaterialScience on January, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Herbert Witossek0
Lothar Bäcker0
Steffen Hofacker0
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Patent abstract
The present invention relates to an improved process for preparing aliphatic oligocarbonate polyols by transesterifying dimethyl carbonate (DMC) with an aliphatic polyol component.
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US Patent 07317121 Preparation of aliphatic oligocarbonate polyols US Patent 7317121 Preparation of aliphatic oligocarbonate polyols
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Patent Number
073171210
Patent Number
73171210
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073171210
Date of Patent
January 8, 2008
0Patent Application Number
109416560
Date Filed
September 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07317121 Preparation of aliphatic oligocarbonate polyols
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07317121
Date of patent
January 8, 2008
Patent application number
10941656
Date Filed
September 15, 2004
Patent primary examiner
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