发明授权
- 专利标题: Temporary barrier layer for photographic element
- 专利标题(中): 摄影元素临时屏障层
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申请号: US215109申请日: 1988-07-05
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公开(公告)号: US4865946A公开(公告)日: 1989-09-12
- 发明人: Wayne A. Bowman , Ronald L. Verhow
- 申请人: Wayne A. Bowman , Ronald L. Verhow
- 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: G03C8/54
- IPC分类号: G03C8/54
摘要:
A polymer composition of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, G, J, L, x, y, and z are as defined herein is useful as a temporary barrier between reactants in photographic materials. The barrier is particularly useful as a process timing layer in color image transfer film units.
公开/授权文献
- US5706465A Computers having cache memory 公开/授权日:1998-01-06
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