US3626671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adsorber element and temperature controlled adsorber purification system
Assignee: Air Products and Chemicals Inc
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Filing: 1969-05-02
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Granted: 1971-12-14
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Expires: 1989-05-02
Abstract
Abstract A GAS PURIFICATION SYSTEM OF THE ADSORPTION TYPE IS DISCLOSED WHEREIN THE ADSORPTION BED COPRISES A PLURALITY OF ADSORBENT ELEMENTS DISPOSED IN SPACED RELATIONSHIP T ONE ANOTHER WITH CHANNELING PROVIDED TO CONDUCT GAS BETWEEN THE ELEMENTS. THERMOELECTRIC ELEMENTS, IN HEAT TRANSMITTING CONTACT WITH EACH OF THE ADSORBENT ELEMENTS, REMOVE HEAT THEREFROM TO COOL THE BED DURING THE ADSORPTION CYCLE AND INTRODUCE HEAT THERETO DURING REGENERATION.
Inventors
- 👤 Robert W Ebeling Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02
Claims Analysis
Total Claims: 0
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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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |