US3394068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodialysis of pickle liquor using sequestrants
Assignee: Sybron Transition Corp
•
Filing: 1965-02-12
•
Granted: 1968-07-23
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Calmon Calvin
- 👤 Heit Allyn Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:06
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; C; C23; C23G; C23G1/00; C23G1/36; B01D2311/00; B01D2311/26; B01D2311/2642
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN AN ELECTRODIALYTIC PROCESS FOR SEPARATING A MIXTURE OF DIALIZABLE IONS THE PROCESS COMPRISING THE FOLLOWING STEPS: (A) CONFINING SAID MIXTURE BETWEEN SPACED ION PERMEABLE MEMBRANES, AT LEAST ONE OF SAID MEMBRANES BEING A PERMSELECTIVE MEMBRANE; (B) PROVIDING ON THE OPPOSITE SIDE OF THE PERMSELECTIVE MEMBRANE A FIRST ELECTROLYTE CONTAINING IONS THAT WILL FORM SUBSTANTIALLY INSOLUBLE PRODUCTS WITH IONS WITHIN SAID MIXTURE; (C) PROVIDING A SECOND ELECTROLTYE ON THE OPPOSITE SIDE OF THE OTHER MEMBRANE;
Claim 2
Dependent Claim
75 words
IN AN ELECTRODIALYTIC PROCESS FOR SEPARATING A MIXTURE OF DIALIZABLE IONS THE PROCESS COMPRISING THE FOLLOWING STEPS: (A) CONFINING SAID MIXTURE BETWEEN SPACED ION PERMEABLE MEMBRANES, AT LEAST ONE OF SAID MEMBRANES BEING A PERMSELECTIVE MEMBRANE; (B) PROVIDING ON THE OPPOSITE SIDE OF THE PERMSELECTIVE MEMBRANE A FIRST ELECTROLYTE CONTAINING IONS THAT WILL FORM SUBSTANTIALLY INSOLUBLE PRODUCTS WITH IONS WITHIN SAID MIXTURE; (C) PROVIDING A SECOND ELECTROLTYE ON THE OPPOSITE SIDE OF THE OTHER MEMBRANE;
References Cited (Backward Citations)
US2810686A
Cited
US3124520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |