US2967825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the athermal removal of water from aqueous liquors by an organic solvent
Assignee: Individual
•
Filing: 1958-11-25
•
Granted: 1961-01-10
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 Baniel Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:09
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/16; B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/0488; B01D12/00; C; C01; C01C; C01C1/00; C01C1/16; C01C1/164; C01C1/24; C01D; C01D3/00; C01D3/04; C01D3/06; C01D3/12; C01D3/14; C01D3/18; C01D7/00; C01D7/18; C01F; C01F5/00; C01F5/26; C01F5/30; C01G; C01G3/00; C01G3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE ATHERMIC CONCENTRATION OF AN AQUEOUS DONOR LIQUOR CONTAINING A DISPERSE PHASE, WHEREIN AN ORGANIC SOLVENT OF LIMITED WATER-MISCIBILITY IN WHICH THE DISPERSED PHASE OF THE DONOR LIQUOR IS INSOLUBLE, IS CIRCULATED BETWEEN THE LATTER AND AN ACCEPTOR HAVING A LOWER PARTIAL WATER PRESSURE THAN THE DONOR LIQUOR, THEREBY TO CARRY WATER FROM THE DONOR LIQUOR TO THE ACCEPTOR.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE ATHERMIC CONCENTRATION OF AN AQUEOUS DONOR LIQUOR CONTAINING A DISPERSE PHASE, WHEREIN AN ORGANIC SOLVENT OF LIMITED WATER-MISCIBILITY IN WHICH THE DISPERSED PHASE OF THE DONOR LIQUOR IS INSOLUBLE, IS CIRCULATED BETWEEN THE LATTER AND AN ACCEPTOR HAVING A LOWER PARTIAL WATER PRESSURE THAN THE DONOR LIQUOR, THEREBY TO CARRY WATER FROM THE DONOR LIQUOR TO THE ACCEPTOR.
References Cited (Backward Citations)
USRE15783E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |