Color-photographic recording material for the silver dye bleach process
US4379819A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1981 |
| Grant date | Apr 12, 1983 |
| Priority date | — |
| Expiry date | Apr 28, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/29
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A color-photographic recording material for the silver dye bleach process, which contains oil-soluble azo dyes of the formula ##STR1## in which R.sub.1 is hydrogen, alkyl, alkoxy, alkenyl, acyl, carbalkoxy, acylamino, carbamide, sulfonamide, alkylsulfone, arylsulfone, aryloxy, arylsulfonic acid ester, hydroxyl, cyano, nitro or halogen, R.sub.2 is hydrogen, alkyl, alkoxy, carbalkoxy, carbamide, sulfonamide, alkylsulfone, arylsulfone, aryloxy, cyano, nitro or halogen, R.sub.3 is hydrogen, alkyl, alkoxy, phenoxy, sulfonamide, alkylsulfone, sulfonic acid ester, cyano, nitro, halogen, carbalkoxy, carbamide or phosphoric acid diester, R.sub.4 is hydrogen, alkyl, alkoxy, carbalkoxy, carbamide, sulfonamide, acylamino, alkylsulfone, arylsulfone, hydroxyl, cyano, nitro or halogen, R.sub.5 is hydrogen, alkyl or carbalkoxy, X.sub.1 is hydrogen, alkyl, alkoxy, acylamino, alkylsulfonamide or hydroxyl, Y.sub.1 is hydrogen, alkyl, alkoxy, amino, carbalkoxy, arylsulfonamide, acylamino, halogen, hydroxyl or phosphamic acid ester, Z.sub.1 is hydrogen, alkyl, alkoxy, acylamino, acyl, carbalkoxy, alkylsulfonamide or halogen or forms a ring with Y.sub.1, and W.sub.1 is hydrogen, alkyl, alkoxy or halogen…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.