US3205638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dehydration of gases
Assignee: Phillips Petroleum Co
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Filing: 1963-06-12
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Granted: 1965-09-14
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 Melvin G Hagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:46
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; F; F04; F04B; F04B39/00; F04B39/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A METHOD FOR REGENERATING A MOISTURE-LADEN DESICCANT WHEREIN A STREAM OF A GAS IS HEATED BY APPLICATION OF EXTERNAL HEAT THERETO, SAID HEATED GAS IS PASSED THROUGH BODY OF SAID MOISTURE-LADEN DESICCANT FOR A PERIOD OF TIME SUFFICIENT TO HEAT SAME TO A TEMPERATURE ABOVE ITS MOISTURE DESORBING TEMPERATURE AND EFFECT A REGENERATION THEREOF, AND SAID DESICCANT IS THEREAFTER COOLED, THE IMPROVEMENT COMPRISING: COMPRESSING SAID GAS HAVING A
Claim 2
Dependent Claim
69 words
IN A METHOD FOR REGENERATING A MOISTURE-LADEN DESICCANT WHEREIN A STREAM OF A GAS IS HEATED BY APPLICATION OF EXTERNAL HEAT THERETO, SAID HEATED GAS IS PASSED THROUGH BODY OF SAID MOISTURE-LADEN DESICCANT FOR A PERIOD OF TIME SUFFICIENT TO HEAT SAME TO A TEMPERATURE ABOVE ITS MOISTURE DESORBING TEMPERATURE AND EFFECT A REGENERATION THEREOF, AND SAID DESICCANT IS THEREAFTER COOLED, THE IMPROVEMENT COMPRISING: COMPRESSING SAID GAS HAVING A
References Cited (Backward Citations)
US2629460A
Cited
US3008539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |