发明授权
- 专利标题: Photographic elements containing blocked photographic reagents and processes employing same
- 专利标题(中): 含有阻塞摄影试剂的摄影元件及其使用过程
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申请号: EP81109012.5申请日: 1981-10-27
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公开(公告)号: EP0056444B1公开(公告)日: 1984-05-09
- 发明人: Reczek, James Albert , Welter, Thomas Robert
- 申请人: EASTMAN KODAK COMPANY (a New Jersey corporation)
- 申请人地址: 343 State Street Rochester, New York 14650 US
- 专利权人: EASTMAN KODAK COMPANY (a New Jersey corporation)
- 当前专利权人: EASTMAN KODAK COMPANY (a New Jersey corporation)
- 当前专利权人地址: 343 State Street Rochester, New York 14650 US
- 代理机构: Brandes, Jürgen, Dr. rer. nat.
- 优先权: US220408 19801229
- 主分类号: G03C5/54
- IPC分类号: G03C5/54 ; G03C7/32
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