Patent US4142300A successfully refreshed from Google Patents.
US4142300A
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Lanthanum nickel aluminum alloy
Assignee: United States Department of Energy
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Filing: 1977-07-18
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Granted: 1979-03-06
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Expires: 1997-07-18
Abstract
Abstract A ternary intermetallic compound capable of reversible sorption of hydrogen having the chemical formula LaNi 5-x Al x , where x is in the range of about 0.01 to 1.5 and the method of storing hydrogen using the intermetallic compound.
Inventors
- 👤 Dieter M. Gruen
- 👤 Marshall H. Mendelsohn
- 👤 Austin E. Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:14
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/24; C01B3/00; C01B3/0005; C01B3/001; C01B3/0018; C01B3/0031; C01B3/0047; C01B3/0057; C22; C22C; C22C19/00; C22C19/03; C22C30/00; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S420/00; Y10S420/90
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
28 words
A ternary intermetallic compound capable of reversible sorption of hydrogen having the chemical formula LaNi 5-x Al x where x is in the range of 0.01 to 1.5.
Claim 2
Dependent Claim
28 words
A ternary intermetallic compound capable of reversible sorption of hydrogen having the chemical formula LaNi 5-x Al x where x is in the range of 0.01 to 1.5.
Claim 3
Independent Claim
41 words
The method of storing hydrogen comprising contacting a ternary intermetallic compound having the formula LaNi 5-x Al x where x is in the range of 0.01 to 1.5 with gaseous hydrogen at a pressure above the dissociation pressure of the hydride.
Claim 4
Independent Claim
41 words
The method of storing hydrogen comprising contacting a ternary intermetallic compound having the formula LaNi 5-x Al x where x is in the range of 0.01 to 1.5 with gaseous hydrogen at a pressure above the dissociation pressure of the hydride.
Claim 5
Dependent Claim
21 words
The method of storing hydrogen of claim 2 wherein the gaseous hydrogen is at a pressure of 300 to 800 psia.
References Cited (Backward Citations)
US3825418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-05 | 1982-09-04 | 1983-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-05 | 1986-09-04 | 1987-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-05 | 1990-09-04 | 1991-03-06 | $7700.00 | Window Closed / Lapsed |