| 发明名称 |
PHOTOGRAPHIC ELEMENTS CONTAINING A METHINE DYE DERIVED FROM 1-ALKYL-3-ALKYL-8-ALKYL-9-ALKYLXANTHINE |
| 摘要 |
Methine dyes derived from 1-alkyl-3-alkyl-8-alkyl-9-alkylxanthine are advantageously used in photographic hydrophilic colloid layers as spectral sensitizers for silver halide and in hydrophilic colloid light filtering layers.
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| 申请公布号 |
US3576640(A) |
申请公布日期 |
1971.04.27 |
| 申请号 |
USD3576640 |
申请日期 |
1967.11.06 |
| 申请人 |
EASTMAN KODAK CO. |
发明人 |
EARL J. VAN LARE;LESLIE G.S. BROOKER |
| 分类号 |
C07D473/12;C09B23/04;C09B23/06;C09B23/08;G01T1/18;G03C1/12;G03C1/83;(IPC1-7):G03C1/12 |
主分类号 |
C07D473/12 |
| 代理机构 |
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代理人 |
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