发明名称 |
Polyvinyl butyral pellicle compositions |
摘要 |
An improved pellicle for use in projection printing comprises a pellicle in which the transparent film is formed from a specific polyvinyl butyral resin from a casting composition which is a mixture of the specific polyvinyl butyral resin and dimethylformamide. |
申请公布号 |
US5026775(A) |
申请公布日期 |
1991.06.25 |
申请号 |
US19890389280 |
申请日期 |
1989.08.03 |
申请人 |
WARD, IRL E. |
发明人 |
WARD, IRL E. |
分类号 |
C08F8/28;C08J3/09;G03F1/14 |
主分类号 |
C08F8/28 |
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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