Is a
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Patent Applicant
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1Current Assignee
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1Patent Jurisdiction
Patent Number
Patent Inventor Names
Erik Allen1
Christopher Lawrence Frank1
Eric Christopher Bohnert1
Timothy Walter Abraham1
John J. Hahn1
Paraskevas Tsobanakis1
Date of Patent
February 1, 2022
1Patent Application Number
166010341
Date Filed
October 14, 2019
1Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for recovering a composition enriched in 3-hydroxypropionic acid from a fermentation broth comprising 3-hydroxypropionic acid and/or salts thereof comprises the steps of: (a) providing the fermentation broth having a pH of from about 2 to about 8 comprising 3-hydroxypropionic acid and/or salts thereof (b) acidifying the fermentation broth; (c) reducing the total sulfate ion and phosphate ion (d) distilling the resulting reduced ion aqueous solution and (e) recovering the product.
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