Reduction of the sensitometric toe area of photographic films
US6087080A · kind A · utility
2Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1995 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Mar 20, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A negative-acting silver halide photographic element comprising a hydrophilic colloidal binder containing a silver halide emulsion and from 50 to 1000 milligrams of an anthraquinone per mole of silver halide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.