发明名称 |
pH reducing formulation and delivery system for a tampon |
摘要 |
A formulation effective in reducing the pH in a menstruating vagina or in a tampon inserted therein to below pH 5.5, comprising (a) 3-80% by weight of a solid organic acid polymer; (b) 92-15% by weight of a solid organic acid; and (c) 5-30% of a wetting agent. Also disclosed is a delivery system for releasing an active agent comprising: (a) a deposition comprising the active agent; and (b) a polymeric support on which the deposition is deposited. The delivery system is especially useful in a catamenial tampon for insertion in a human vagina which comprises (a) an inner core comprising an absorbent material; (b) an outer layer comprising a liquid permeable material; and (c) the delivery system.
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申请公布号 |
US7138559(B2) |
申请公布日期 |
2006.11.21 |
申请号 |
US20030442817 |
申请日期 |
2003.05.21 |
申请人 |
HI-GIENIC LTD. |
发明人 |
KLUGER RAM;BENITA SIMON;STERN THEODOR |
分类号 |
A61F13/20;A61L15/20;A61L15/26;A61L15/42;A61L15/46;A61L15/48 |
主分类号 |
A61F13/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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