发明授权
- 专利标题： Process for controlling curl in polyester film
- 专利标题（中）： 控制聚酯薄膜卷曲的方法
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申请号： US463179申请日： 1990-01-10
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公开(公告)号： US5076977A公开(公告)日： 1991-12-31
- 发明人: Larry K. Maier , Michael J. Moszkowicz , Thomas M. Laney
- 申请人： Larry K. Maier , Michael J. Moszkowicz , Thomas M. Laney
- 申请人地址： NY Rochester
- 专利权人： Eastman Kodak Company
- 当前专利权人： Eastman Kodak Company
- 当前专利权人地址： NY Rochester
- 主分类号： B29C35/02
- IPC分类号： B29C35/02 ; B29C55/14 ; G03C1/81
摘要：
A process for controlling curl in polyester film is disclosed in which a cost sheet is heated assymetrically across its thickness during longitudinal stretching to product positive, negative or zero curl, as required for subsequent uses or treatments of the film formed by such stretching.
公开/授权文献
- US6001563A Methods for identifying chemosensitizers 公开/授权日：1999-12-14
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