US Patent 11578024 Method for refining bio-based propylene glycol
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US Patent 11578024 Method for refining bio-based propylene glycol
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The invention provides a process for refining bio-based propylene glycol, wherein impurities having boiling points close to that of propylene glycol are separated. In this process, C
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Patent Number
115780240
Date of Patent
February 14, 2023
0Patent Application Number
172805950
Date Filed
September 19, 2019
0Patent Citations
Patent Primary Examiner
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