Patent US2958391A successfully refreshed from Google Patents.
US2958391A
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Purification of hydrogen utilizing hydrogen-permeable membranes
Assignee: Universal Oil Products Co
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Filing: 1958-04-10
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Granted: 1960-11-01
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Expires: 1978-04-10
Abstract
No abstract record available.
Inventors
- 👤 Armand J Derosset
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:43
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22; B01D53/228; B01D63/00; B01D63/08; C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B3/503; C01B3/505; B01D2313/00; B01D2313/14; C01B2203/00; C01B2203/04; C01B2203/0405; C01B2203/0465; C01B2203/048; C01B2203/0485
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
AN APPARATUS SUITABLE FOR EFFECTING THE SEPARATION OF HYDROGEN FROM A MIXTURE OF GASES WHICH COMPRISES A HOUSING CAPABLE OF CONFINING A MIXTURE OF GASES UNDER PRESSURE AND CONTAINING A HYDROGEN-DIFFUSION CELL WITHIN THE SAID HOUSING, A MIXED-GAS INLET TO SAID HOUSING, A NON-DIFFUSED GAS OUTLET FROM SAID HOUSING, AND A DIFFUSED HYDROGEN OUTLET, SAID CELL COMPRISING IN COMBINATION: A POROUS, ESSENTIALLY SOLID, SINTERED METAL MATRIX HAVING ON ONE EXTERIOR SIDE AND ON THE EXTERIOR SIDE OPPOSITE THERETO A HYDROGENPERMEABLE MEMBRANE COMPRISING A METAL SELECTED FROM THE ELEMENTS OF GROUP VII OF THE PERIODIC TABLE, SAID MATRIX BEING SEALED BY SAID MEMBRANE FROM SAID GAS MIXTURE, AND HAVING AN EXPOSED PORTION, FREE OF MEMBRANE, IN GASEOUS-FLOW COMMUNICATION WITH SAID HYDROGEN OUTLET.
References Cited (Backward Citations)
US1174631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |