US2860091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polyhydric solutions
Assignee: Veolia WTS Systems USA Inc
•
Filing: 1955-09-22
•
Granted: 1958-11-11
•
Expires: 1975-09-22
Abstract
No abstract record available.
Inventors
- 👤 Norman W Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:07
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; C; C13; C13B; C13B20/00; C13B20/18; B01D2311/00; B01D2311/26; B01D2311/2623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN THE DEMINERALIZATION OF SACCHARIFEROUS SOLUTIONS IN A MULTI-CHAMBER ELECTRODIALYSIS UNIT WHEREIN THE CHAMBERS THEREOF ARE SEPARATED BY PERMSELECTIVE ION-EXCHANGE MEMBRANES, SAID SOLUTIONS HAVING MINOR COMPONENTS OF ELECTROLYTES TO BE REMOVED THEREFROM, THE STEPS OF ADJUSTING SAID SOLUTIONS TO A CONCENTRATION IN THE RANGE OF ABOUT 20* TO ABOUT 40* BRIX AND TO A TEMPERATURE BELOW ABOUT 60*C., PASSING SAID SOLUTIONS AT A VELOCITY IN EXCESS OF 5 CENTIMETERS PER SECOND THROUGH THE DILUTING CHAMBERS OF SAID MULTICHAMBER ELECTRODIALYSIS UNIT, AND PASSING A DIRECT ELECTRIC CURRENT THROUGH SAID UNIT.
Claim 2
Dependent Claim
89 words
IN THE DEMINERALIZATION OF SACCHARIFEROUS SOLUTIONS IN A MULTI-CHAMBER ELECTRODIALYSIS UNIT WHEREIN THE CHAMBERS THEREOF ARE SEPARATED BY PERMSELECTIVE ION-EXCHANGE MEMBRANES, SAID SOLUTIONS HAVING MINOR COMPONENTS OF ELECTROLYTES TO BE REMOVED THEREFROM, THE STEPS OF ADJUSTING SAID SOLUTIONS TO A CONCENTRATION IN THE RANGE OF ABOUT 20* TO ABOUT 40* BRIX AND TO A TEMPERATURE BELOW ABOUT 60*C., PASSING SAID SOLUTIONS AT A VELOCITY IN EXCESS OF 5 CENTIMETERS PER SECOND THROUGH THE DILUTING CHAMBERS OF SAID MULTICHAMBER ELECTRODIALYSIS UNIT, AND PASSING A DIRECT ELECTRIC CURRENT THROUGH SAID UNIT.
References Cited (Backward Citations)
US751179A
Cited
US1577669A
Cited
US1972561A
Cited
US2671055A
Cited
US2708658A
Cited
US2694680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |