Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-12-23
1994-04-05
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548496, 562443, 562445, C07D20920, C07C22936
Patent
active
053006534
ABSTRACT:
A method is provided for the separation of at least one aromatic amino acid from an aqueous solution of mixed amino acids including the aromatic amino acid. The aqueous solution is brought into contact with a strongly acidic gel-type cation exchange resin which has been converted into a salt with an alkali metal or an alkaline earth metal, whereby the aromatic amino acid is selectively sorbed by the cation exchange resin. The aromatic amino acid thus sorbed can then be desorbed from the ion exchange resin, preferably with water.
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Miyazaki Kiyoo
Murata Naohiro
Nozaki Shohei
Dees Jos,e G.
Frazier B.
Mitsui Toatsu Chemicals Incorporated
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