Photographic color-developing chemicals in the form of granules
US5607822A · kind A · utility
1Cited by
10References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1996 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | May 3, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C5/265
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Color developing chemicals in the form of granules for a silver halide color photographic material containing a p-phenylenediamine compound, wherein the color developing chemicals further contain a compound represented by the following formula, the chemicals imparting a pH of 5.0 or less to an aqueous solution in which the chemicals are dissolved ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.