Photographic emulsions and elements of increased sensitivity
US6090536A · kind A · utility
8Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1998 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Dec 17, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic emulsion is disclosed containing for enhanced imaging speed high bromide {111} tabular grain emulsion peptizer with a cationic starch and sensitized with a fragmentable electron donating sensitizer. The photographic emulsion is disclosed for use in black-and-white and color photographic elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.