US2826480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of oxygen or hydrogen from gases
Assignee: BOC Group Ltd
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Filing: 1954-01-12
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Granted: 1958-03-11
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Expires: 1974-01-12
Abstract
No abstract record available.
Inventors
- 👤 Webster Thomas John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; C; C01; C01B; C01B21/00; C01B21/04; C01B21/0405; C01B21/0411; C01B21/0416; C01B21/0422; C01B23/00; C01B2210/00; C01B2210/0043; C01B2210/0045; C01B2210/0053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A FLOW SYSTEM WHEREIN CRUDE GAS, CONSISTING OF A MIXTURE OF AN INERT GAS AS HEREINBEFORE DEFINED WITH ONE ELEMENT OF WATER PRESENT AS IMPURITY, IS INTRODUCED CONTINUOUSLY AT ONE POINT, IS PURIFIED, AND THEN IS WITHDRAWN AT ANOTHER POINT, A PROCESS FOR REMOVING THE IMPURITY CONTINUOUSLY WHICH COMPRISES, CONTINUOUSLY ADDING THE INCOMING CRUDE GAS AN AMOUNT OF THE OTHER ELEMENT OF WATER APPROXIMATELYY STOICHIOMERICALLY EQUIVALENT TO THE IMPURITY PRESENT THEREIN, THEREAFTER CONVERTING ENTRAINED HYDROGEN AND OXYGEN TO WATER TO PURIFY THE MIXTURE, WITHDRAWN TO DETECT THE PRESENCE OF ANY IM THE GAS AS WITHDRAWING TO DECECT THE PRESENCE OF ANY IMPURITY IN EXCESS OF THE STOICHIOMETRIC AMOUNT REQUIRED FOR CONVERSION TO WATER, AND IN RESPONCE TO ANY DETECT IMPURITY, RECYCLING A PORTION OF THE PURIFIED GAS INTO THE INCOMING CRUDE GAAS IN ADVANCE TO THE ADDITION OF THE ELEMENT OF WATER THERETO UNTIL THE PRESENCE OF IMPURITY IN THE PURIFIED GAS BEING WITHDRAWN FROM THE SYSTEM IS NO LONGER DETECTED
Claim 2
Dependent Claim
162 words
IN A FLOW SYSTEM WHEREIN CRUDE GAS, CONSISTING OF A MIXTURE OF AN INERT GAS AS HEREINBEFORE DEFINED WITH ONE ELEMENT OF WATER PRESENT AS IMPURITY, IS INTRODUCED CONTINUOUSLY AT ONE POINT, IS PURIFIED, AND THEN IS WITHDRAWN AT ANOTHER POINT, A PROCESS FOR REMOVING THE IMPURITY CONTINUOUSLY WHICH COMPRISES, CONTINUOUSLY ADDING THE INCOMING CRUDE GAS AN AMOUNT OF THE OTHER ELEMENT OF WATER APPROXIMATELYY STOICHIOMERICALLY EQUIVALENT TO THE IMPURITY PRESENT THEREIN, THEREAFTER CONVERTING ENTRAINED HYDROGEN AND OXYGEN TO WATER TO PURIFY THE MIXTURE, WITHDRAWN TO DETECT THE PRESENCE OF ANY IM THE GAS AS WITHDRAWING TO DECECT THE PRESENCE OF ANY IMPURITY IN EXCESS OF THE STOICHIOMETRIC AMOUNT REQUIRED FOR CONVERSION TO WATER, AND IN RESPONCE TO ANY DETECT IMPURITY, RECYCLING A PORTION OF THE PURIFIED GAS INTO THE INCOMING CRUDE GAAS IN ADVANCE TO THE ADDITION OF THE ELEMENT OF WATER THERETO UNTIL THE PRESENCE OF IMPURITY IN THE PURIFIED GAS BEING WITHDRAWN FROM THE SYSTEM IS NO LONGER DETECTED
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |