Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhihong Wu0
Hari Babu Sunkara0
Howard C. Ng0
Wei Zheng0
Date of Patent
January 16, 2007
0Patent Application Number
113360040
Date Filed
January 20, 2006
0Patent Primary Examiner
Patent abstract
The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time.
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