US3795087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of hydrogen from liquid sodium
Assignee: Toshiba Corp
•
Filing: 1971-07-30
•
Granted: 1974-03-05
•
Expires: 1991-07-30
Abstract
Abstract Hydrogen is separated from a fluid, particularly molten sodium, by use of a hydrogen selective semi-permeable membrane. A method is provided whereby the membrane is constructed so as to replace a portion of a pipe for containing said molten sodium. In a second embodiment, the method is disclosed whereby a tank for containing said molten sodium, is provided with a hollow tube at least partly constructed with said membrane.
Inventors
- 👤 H Kamei
- 👤 M Ohno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:53
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/28; G21C19/30; G21C19/307; G21C19/31; C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B2203/00; C01B2203/04; C01B2203/0405; C01B2203/0465; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3155467A
Cited
US3192070A
Cited
US3620844A
Cited
US3487751A
Cited
US3452517A
Cited
US3494470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |