METHOD FOR PRODUCING A-HYDROXY CARBOXYLIC ACID COMPOSITION
A method for producing an a-hydroxycarboxylic acid compositions includes distilling a mixed solution containing an α-hydroxycarboxylic acid, water, and an organic impurity, wherein the distillation is performed under a condition that an upper limit temperature of a bottoms liquid is 140° C. or lower...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method for producing an a-hydroxycarboxylic acid compositions includes distilling a mixed solution containing an α-hydroxycarboxylic acid, water, and an organic impurity, wherein the distillation is performed under a condition that an upper limit temperature of a bottoms liquid is 140° C. or lower. |
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