US3079238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas purification system
Assignee: STEARNS ROGER Manufacturing CO
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Filing: 1961-02-27
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Granted: 1963-02-26
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Handwerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:30
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/101; C07; C07C; C07C7/00; C07C7/11
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
THE PROCESS OF REMOVING HYDROGEN SULFIDE AND OTHER WATER SOULBLE GASEOUS CONTAMINANTS FROM NATURAL GAS AND THEREAFTER RECLAIMING THE SULFUR VALVUES THEREFRON WHICH COMPRISES THE STEPS OF WASHING THE SOUR NATURAL GAS WITH WATER AT AN ELEVATED PRESSURE OF 200 P.S.I. AND ABOVE AND AT A TEMPERATURE OF APPROXIMATELY 100*F. TO ABSORB THE WATER-SOLUBLE GASEOUS CONTAMINANTS THEREFROM, SEPARATING THE SWEETNED GAS FROM THE CONTAMINANT-LADEN WASH WATER, DESORBING THE MAJOR PORTION OF THE DISSOLVED CONTAMINANTS BY FLASJ STRIPPING THEM FROM THE WASH WATER AT A SUBSTANTIALLY REDUCED PRESSURE, SEPARATING THE DESORBED CONTAMINANTS FROM THE PARTIALLY DECONTAMINATED WASH WATER, ABSORBING THE RESIDUAL PORTION OF DISSOLVED CONTAMINANTS BY AIR STRIPPING SAME FROM THE PARTIALLY DECON-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |