发明名称 |
Process for heat sealing a water soluble film in the presence of water |
摘要 |
A process for heat sealing a water soluble film to a water soluble member, wherein an aqueous composition is applied to at least one of the surfaces of said film and said member before said surfaces are heat sealed together.
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申请公布号 |
US2004182049(A1) |
申请公布日期 |
2004.09.23 |
申请号 |
US20040483667 |
申请日期 |
2004.01.13 |
申请人 |
DUFFIELD PAUL JOHN |
发明人 |
DUFFIELD PAUL JOHN |
分类号 |
B29C65/00;(IPC1-7):B65B7/00;B65D85/808;B65D85/00;B65D79/00;B65D65/46 |
主分类号 |
B29C65/00 |
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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