发明名称 |
Use of chain-extended acid processed ossein gelatin in the preparation of photographic elements |
摘要 |
This invention describes the advantages associated with the use of chain-extended acid processed ossein gelatin as the makeup gelatin, with emulsion precipitated in lime-processed ossein gelatin. Such photographic elements show a definite speed-fog advantage, compared to systems where standard lime-processed ossein gelatin is used solely.
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申请公布号 |
US5318889(A) |
申请公布日期 |
1994.06.07 |
申请号 |
US19920992302 |
申请日期 |
1992.12.21 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
BAGCHI, PRANAB;STERMAN, MELVIN;COHEN, JACOB |
分类号 |
G03C1/047;(IPC1-7):G03C1/005 |
主分类号 |
G03C1/047 |
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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