Ion exchange resin holder
US5188732A · kind A · utility
6Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1992 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Feb 7, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J47/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An ion-exchange resin holder (18) to recover silver from photographic rinsing water with a perforate inlet (37) and outlet (29) resin restrainer between which a mass (38) of ion-exchange resin is restrained in the holder and a liquid restrainer (32) near the inlet for deflecting part of the incoming water towards the bottom end, and for allowing another part of said incoming water to pass undeflectedly towards the outlet opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.