US3560378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion-exchange process
Assignee: Commonwealth Scientific and Industrial Research Organisation
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Filing: 1968-04-19
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Granted: 1971-02-02
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Expires: 1988-04-19
Abstract
Abstract AN ION EXCHANGE PROCESS UTILIZING AN ION EXCHANGE ADSORBENT HAVING A PARTICLE SIZE LESS THAN 210 MICRONS AND HAVING FERROMAGNETIC PROPERTIES. THE ADSORBENT, IN THE MAGNETIZED STATE, IS MIXED WITH LIQUID TO BE TREATED TO FORM AN AGITATED SUSPENSION. THE ADSORBENT IS SEPARATED FROM THE TREATED LIQUID BY ALLOWING THE SAME TO MAGNETICALLY FLOCCUALTE IN THE ABSENCE OF MIXING.
Inventors
- 👤 Donald Eric Weiss
- 👤 Brian Alfred Bolto
- 👤 Donald Willis
- 👤 Robert Mcneill
- 👤 Douglas Lyons Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:33
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/10; B01J47/018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |