| 发明名称 |
USE OF INDOLENINE-CYANINE DYESTUFFS |
| 摘要 |
The present invention relates to the use of dyestuffs of the general formula I <IMG> (I) in which R1 and R2 and M? are as defined in Claim 1, as infraredabsorbing agents in photographic recording materials based on silver halide, and to photographic recording materials based on silver halide comprising dyestuffs of the general formula I.
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| 申请公布号 |
CA2147450(A1) |
申请公布日期 |
1995.10.22 |
| 申请号 |
CA19952147450 |
申请日期 |
1995.04.20 |
| 申请人 |
RIEDEL-DE HAEN AKTIENGESELLSCHAFT |
发明人 |
LONSKY, RALPH;LEHMANN, LUTZ UWE |
| 分类号 |
C09B23/00;G03C1/20;G03C1/83;(IPC1-7):G03C1/20 |
主分类号 |
C09B23/00 |
| 代理机构 |
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