US3214371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalination by freezing
Assignee: Individual
•
Filing: 1962-05-09
•
Granted: 1965-10-26
•
Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Tuwiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/22; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A METHOD OF EXTRACTING WATER IN THE FORM OF ICE CRYSTALS FROM A GIVEN AQUEOUS SOLUTION, COMPRISING (A) FORMING A FIRST MAGMA (I), CONTAINING (1) A CHLAHRATE OF A PORTION OF THE WATER FROM SAID GIVEN AQUEOUS SOLUTION AND ALSO CONTAINING, (2) THE RESULTING AQUEOUS SOLUTION IN A MORE CONCENTRATED FORM THAN THE GIVEN AQUEOUS SOLUTION, THEN (B) DISPERSING THROUGH SAID FIRST MAGMA (I) AN ORGANIC LIQUID SUBSTANCE, WHICH IS LARGELY WATER IMMISCIBLE AND CAPABLE OF DISSOLVING THE NON-AQUEOUS COMPONENT OF SAID CLATHRATE, UNDER TEMPERATURE AND PRESSURE CONDITIONS TO FORM THEREBY A SECOND MAGMA (II), CONTAINING, (1) ICE CRYSTALS RESULTING FROM WATER IN THE FIRST MAGMA (I), AND CONTAINING ALSO, (2) THE RESULTING AQUEOUS SOLUTION IN A MORE CONCENTRATED FORM THAN IN SAID GIVEN AQUEOUS SOLUTION, AND (3) THE RESULTING SOLUTION OF THE NON-AQUEOUS COMPONENT OF SAID CLATHRATE IN SAID ORGANIC LIQUID SUBSTANCE, AND (C) SEPAARATING THE ICE CRYSTALS FROM THE REST OF THE LATTER MAGMA (II).
Claim 2
Independent Claim
157 words
A METHOD OF EXTRACTING WATER IN THE FORM OF ICE CRYSTALS FROM A GIVEN AQUEOUS SOLUTION, COMPRISING (A) FORMING A FIRST MAGMA (I), CONTAINING (1) A CHLAHRATE OF A PORTION OF THE WATER FROM SAID GIVEN AQUEOUS SOLUTION AND ALSO CONTAINING, (2) THE RESULTING AQUEOUS SOLUTION IN A MORE CONCENTRATED FORM THAN THE GIVEN AQUEOUS SOLUTION, THEN (B) DISPERSING THROUGH SAID FIRST MAGMA (I) AN ORGANIC LIQUID SUBSTANCE, WHICH IS LARGELY WATER IMMISCIBLE AND CAPABLE OF DISSOLVING THE NON-AQUEOUS COMPONENT OF SAID CLATHRATE, UNDER TEMPERATURE AND PRESSURE CONDITIONS TO FORM THEREBY A SECOND MAGMA (II), CONTAINING, (1) ICE CRYSTALS RESULTING FROM WATER IN THE FIRST MAGMA (I), AND CONTAINING ALSO, (2) THE RESULTING AQUEOUS SOLUTION IN A MORE CONCENTRATED FORM THAN IN SAID GIVEN AQUEOUS SOLUTION, AND (3) THE RESULTING SOLUTION OF THE NON-AQUEOUS COMPONENT OF SAID CLATHRATE IN SAID ORGANIC LIQUID SUBSTANCE, AND (C) SEPAARATING THE ICE CRYSTALS FROM THE REST OF THE LATTER MAGMA (II).
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |