发明名称 |
Device for controlling relative humidity within a substantially sealed container. |
摘要 |
An insert 10 for inclusion in a substantially sealed container to control the relative humidity within the container is provided. The inset is a packet at least part of the surface of which is a membrane 13 capable of passing water vapor and which contains a buffering substance 14 which is a saturated salt solution selected according to the desired relative humidity, and modified by a nonelectrolyte, if necessary, to adjust the relative humidity.
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申请公布号 |
EP0363194(A2) |
申请公布日期 |
1990.04.11 |
申请号 |
EP19890310189 |
申请日期 |
1989.10.05 |
申请人 |
PHILIP MORRIS PRODUCTS INC. |
发明人 |
SPRUILL, DAVID B.;BANYASZ, JOSEPH L.;VAN AUKEN, THOMAS V. |
分类号 |
B65D81/22;A23L3/3427;A24F25/02;B01D53/26;B65D81/24;B65D81/26;B65D85/10 |
主分类号 |
B65D81/22 |
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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