Patent US3591415A successfully refreshed from Google Patents.
US3591415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion exchange regeneration
Assignee: Industrial Filter and Pump Manufacturing Co
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Filing: 1968-03-18
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Granted: 1971-07-06
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Expires: 1988-03-18
Abstract
Abstract A MAGNESIUM CATION EXCHANGE RESIN USED FOR POTASSIUM REMOVAL IN A SUGAR REFINING PROCESS IS REGENERATED WITH A SOLUTION OF MAGNESIUM CHLORIDE WHICH IS THEREAFTER USED TO REGENERATED AN ION EXCHANGE RESIN USED AS A DECOLORIZER IN THE SAME REFINING PROCESS.
Inventors
- 👤 James F Zievers
- 👤 Charles J Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:13
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/917
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |