Filter for a photothermographic developer
US5469238A · kind A · utility
6Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1994 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Oct 13, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D13/002
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an alternative filtering system for use with a photothermographic developing apparatus. The inventive filtering system is a three stage system which provides for condensation of fatty acids and removal of particulates prior to absorbing odor causing by-products of photothermographic development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.