发明授权
- 专利标题： Flexible packaging sheets and packages formed therefrom
- 专利标题（中）： 柔性包装片和由此形成的包装
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申请号： US174491申请日： 1988-03-28
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公开(公告)号： US4878765A公开(公告)日： 1989-11-07
- 发明人: James D. Watkins , David W. Andreas , David H. Cox
- 申请人： James D. Watkins , David W. Andreas , David H. Cox
- 申请人地址： MN Edina
- 专利权人： Golden Valley Microwave Foods, Inc.
- 当前专利权人： Golden Valley Microwave Foods, Inc.
- 当前专利权人地址： MN Edina
- 主分类号： B32B27/10
- IPC分类号： B32B27/10 ; B65D81/34
摘要：
The invention provides a flexible packaging sheet including one or more supporting sheets and a base sheet to which is applied a microwave interactive material in the form of a coating or film. The microwave interactive material can comprise any of several elemental metals or oxides such as iron oxide or tin oxide or a thin semiconductive metallic film applied by vacuum electrodeposition. The supporting sheets comprise non-thermoplastic fibrous sheet material such as paper. The base sheet can comprise a plastic resinous material such as polyester.
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