Method and apparatus for photographic processing
US5387499A · kind A · utility
28Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1992 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | Aug 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/144
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of processing an imagewise exposed photographic material in a processing solution which is unstable to the extent that it deteriorates without external reaction in which the photographic material is passed through a tank containing the solution characterized in that the solution is circulated through the tank at a rate of from 0.1 to 10 tank volumes per minute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.