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US5223246A Effervescent composition, its production and use 失效
有效成分及其生产和使用

Effervescent composition, its production and use
摘要:
The present invention provides a water-soluble effervescent composition prepared by hot-melting (i) an active component and (ii) an acid and a carbonate for effervescing, both in powdery or granular state, with (iii) a water-soluble adjuvant whose melting point is not lower than 40.degree. C., for addition to drinking water.
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