Process and an apparatus for the production of photographic silver halide emulsions
US4758505A · kind A · utility
11Cited by
11References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1986 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Oct 28, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/0157
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Silver halide emulsions are prepared by precipitation, transfer of the silver halide emulsion from the precipitation chamber into a separate circuit comprising a cleaning stage for the removal of dispersion medium and compounds soluble therein and exit into a collecting vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.