US2767135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic transfer of salts
Assignee: Veolia WTS Systems USA Inc
•
Filing: 1951-01-23
•
Granted: 1956-10-16
•
Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 Juda Walter
- 👤 Wayne A Mcrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:14
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/50; B01D61/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A METHOD OF REMOVING SALT FROM A FIRST SOLUTION CONTAINING SAID SALT TO A SECOND SOLUTION COMPRISING: THE STEPS OF SUBJECTING SAID SOLUTIONS TO DIRECT CURRENT ELECTROLYSIS BETWEEN ELECTRODES ONE OF WHICH IS IN CONTACT WITH THE FIRST SOLUTION AND THE OTHER IS IN CONTACT WITH THE SECOND SOLUTION, SAID ELECTRODES BEING REVERSIBLY RETENTIVE AND EMISSIVE OF ONE OF THE IONIC SPECIES OF LIKE CHARGE IN SAID FIRST SOLUTION, SAID SOLUTIONS BEING SEPARATED BY AN ELECTROLYTICALLY CONDUCTIVE HYDRAULIC BARRIER PERMEABLE TO IONS HAVING A CHARGE OPPOSITE TO THAT OF THE IONS REVERSIBLY EMITTED AND RETAINED ON SAID ELECTRODES, THE ELECTRODE IN CONTACT WITH SAID FIRST SOLUTION HAVING A CHARGE OPPOSITE IN SIGN TO THAT OF SAID REVERSIBLE RETENTIVE AND EMISSIVE IONS, AND PERIODICALLY INTERCHANGING THE SOLUTIONS AND SIMULTANEOUSLY REVERSING THE DIRECTION OF ELECTROLYSIS TO PROVIDE FOR CONTINUOUS OPERATION.
Claim 2
Independent Claim
138 words
A METHOD OF REMOVING SALT FROM A FIRST SOLUTION CONTAINING SAID SALT TO A SECOND SOLUTION COMPRISING: THE STEPS OF SUBJECTING SAID SOLUTIONS TO DIRECT CURRENT ELECTROLYSIS BETWEEN ELECTRODES ONE OF WHICH IS IN CONTACT WITH THE FIRST SOLUTION AND THE OTHER IS IN CONTACT WITH THE SECOND SOLUTION, SAID ELECTRODES BEING REVERSIBLY RETENTIVE AND EMISSIVE OF ONE OF THE IONIC SPECIES OF LIKE CHARGE IN SAID FIRST SOLUTION, SAID SOLUTIONS BEING SEPARATED BY AN ELECTROLYTICALLY CONDUCTIVE HYDRAULIC BARRIER PERMEABLE TO IONS HAVING A CHARGE OPPOSITE TO THAT OF THE IONS REVERSIBLY EMITTED AND RETAINED ON SAID ELECTRODES, THE ELECTRODE IN CONTACT WITH SAID FIRST SOLUTION HAVING A CHARGE OPPOSITE IN SIGN TO THAT OF SAID REVERSIBLE RETENTIVE AND EMISSIVE IONS, AND PERIODICALLY INTERCHANGING THE SOLUTIONS AND SIMULTANEOUSLY REVERSING THE DIRECTION OF ELECTROLYSIS TO PROVIDE FOR CONTINUOUS OPERATION.
References Cited (Backward Citations)
US2014148A
Cited
US679985A
Cited
US698696A
Cited
GB190920192A
Cited
US1235063A
Cited
GB310099A
Cited
GB420402A
Cited
US2251082A
Cited
US2636851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |