Process for preparing pseudoephedrine tannate
The invention pertains to a process for preparing pseudoephedrine tannate. The invention pertains to a method for preparing pseudoephedrine tannate by reacting pseudoephedrine free base at a temperature of about 70 to about 110° C. with tannic acid neat or as an aqueous slurry containing about 5 to...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention pertains to a process for preparing pseudoephedrine tannate.
The invention pertains to a method for preparing pseudoephedrine tannate by reacting pseudoephedrine free base at a temperature of about 70 to about 110° C. with tannic acid neat or as an aqueous slurry containing about 5 to about 30 wt. % water. |
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