Speed addendum for photographic emulsions
US6514682B1 · kind B1 · utility
0Cited by
23References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 2001 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Jun 20, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to an emulsion comprising chemically and spectrally sensitized silver halide grains having formate on the surface of said grams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.