Color photographic element containing speed improving compound
US6455242B1 · kind B1 · utility
7Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Sep 18, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a color photographic element comprising at least one of (1) a light sensitive silver halide emulsion layer and (2) a non-silver containing light insensitive layer, said at least one layer containing a compound with a minimum of three heteroatoms that does not react with oxidized developer and that has a ClogP sufficient to increase the photographic speed of said element compared to the same element without the compound. The invention provides improved light sensitivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.