US2583601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion
Assignee: Beazer East Inc
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Filing: 1947-05-07
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Granted: 1952-01-29
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Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 Schwertz Frederick Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:56
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22; B01D53/26; B01D53/268; Y; Y10; Y10S; Y10S159/00; Y10S159/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A METHOD OF SEPARATING THE COMPONENTS OF AN AZETROPIC MIXTURE OF WATER AND PYRIDINE, THE STEPS OF PASSING THE VAPOURS OF SAID AZEOTROPIC MIXTURE ACROSS ONE FACE OF A POROUS DIFFUSION BOUNDARY THROUGH A ZONE MAINTAINED AT A TEMPERATURE ABOVE THAT AT WHICH CONDENSATION OF SAID VAPORS OCCURS, PASSING A FIXED SWEEP GAS ACROSS THE OTHER FACE OF SAID POROUS DIFFUSION BOUNDARY THROUGH A ZONE MAINTAINED AT A TEMPERATURE LOW ENOUGH TO CONDENSE A SUBSTANTIAL PORTION OF THE VAPORS OF SAID AZEOTROPIC MIXTURE PASSING THROUGH SAID BOUNDARY TO THEREBY FORM IN SAID LOWER TEMPERATURE ZONE A CONDENSATE HAVING A SUBSTANTIALLY LARGER PROPORTION OF WATER THAN SAID AZEOTROPIC MIXTURE, REMOVING THE CONDEN-
Claim 2
Dependent Claim
112 words
IN A METHOD OF SEPARATING THE COMPONENTS OF AN AZETROPIC MIXTURE OF WATER AND PYRIDINE, THE STEPS OF PASSING THE VAPOURS OF SAID AZEOTROPIC MIXTURE ACROSS ONE FACE OF A POROUS DIFFUSION BOUNDARY THROUGH A ZONE MAINTAINED AT A TEMPERATURE ABOVE THAT AT WHICH CONDENSATION OF SAID VAPORS OCCURS, PASSING A FIXED SWEEP GAS ACROSS THE OTHER FACE OF SAID POROUS DIFFUSION BOUNDARY THROUGH A ZONE MAINTAINED AT A TEMPERATURE LOW ENOUGH TO CONDENSE A SUBSTANTIAL PORTION OF THE VAPORS OF SAID AZEOTROPIC MIXTURE PASSING THROUGH SAID BOUNDARY TO THEREBY FORM IN SAID LOWER TEMPERATURE ZONE A CONDENSATE HAVING A SUBSTANTIALLY LARGER PROPORTION OF WATER THAN SAID AZEOTROPIC MIXTURE, REMOVING THE CONDEN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |