Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hari Babu Sunkara0
Howard C. Ng0
Date of Patent
June 17, 2008
0Patent Application Number
115998610
Date Filed
November 15, 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 alkali metal carbonates are utilized during certain purification steps to reduce phase separation time.
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