| 发明名称 |
PROCESS FOR STABILIZING MAGENTA COUPLERS AND THE CORRESPONDING IMAGE DYES IN PHOTOGRAPHIC MATERIALS |
| 摘要 |
A-18079/A Process for stabilizing magenta couplers and the corresponding image dyes in photographic materials Compounds of the formula in which R, R1 and R2 are as defined in claim 1 are highly suitable for stabilizing magenta couplers in photographic materials.
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| 申请公布号 |
CA2042568(A1) |
申请公布日期 |
1991.11.17 |
| 申请号 |
CA19912042568 |
申请日期 |
1991.05.14 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
LEPPARD, DAVID G.;STEINBERG, DAVID H.;DUBAS, HENRI |
| 分类号 |
C07C69/712;C07C69/017;C07C69/732;C07C69/734;C07C69/92;C07C309/73;G03C1/34;G03C7/34;G03C7/392;(IPC1-7):C07C69/732;C07C69/28;C07C69/84;G03C7/384 |
主分类号 |
C07C69/712 |
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