发明名称 |
Package made of a water soluble film. |
摘要 |
<p>Provided are water soluble films comprising a modified polyvinyl alcohol containing 2-pyrrolidone ring. The films have excellent water solubility, which can be maintained over a long period of time and under the condition of being contacted with an alkaline or acid substance, and at the same time have an appropriate touch and flexibility.</p> |
申请公布号 |
EP0354410(A2) |
申请公布日期 |
1990.02.14 |
申请号 |
EP19890113784 |
申请日期 |
1989.07.26 |
申请人 |
KURARAY CO., LTD. |
发明人 |
TERADA, KAZUTOSHI;MIYAZAKI, HIROTOSHI;MARUYAMA, HITOSHI |
分类号 |
C08J5/18;C08F8/12;C08F16/02;C08F216/02 |
主分类号 |
C08J5/18 |
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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