US4147536A
Expired / Lapsed
US
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Alloy for occlusion of hydrogen
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1977-10-07
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Granted: 1979-04-03
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Expires: 1997-10-07
Abstract
Abstract An alloy comprising Mischmetal, cobalt and nickel is effectively usable for occlusion of hydrogen.
Inventors
- 👤 Yasuaki Osumi
- 👤 Hiroshi Suzuki
- 👤 Akihiko Kato
- 👤 Masanori Nakane
- 👤 Yoshizo Miyake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:06
CPC Classifications
C; C22; C22C; C22C19/00; C01; C01B; C01B3/00; C01B3/0005; C01B3/001; C01B3/0018; C01B3/0031; C01B3/0047; C01B3/0057; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S420/00; Y10S420/90
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
86 words
An alloy for the occlusion of hydrogen, which alloy is represented by the generic formula: MmNi 5-X Co X , wherein Mm represents Mischmetal and X a number having the value of from 0.1 to 4.9, Mm containing, by weight, 25 to 30% of La, 40 to 45% of Ce, 10 to 15% of Pr, 4 to 5% of Nd, 4 to 7% of Sm+Gd, 3 to 5% of Fe, 0.1 to 1% of Si, 0.1 to 2% of Mg and 0.1 to 1% of Al.
Claim 2
Dependent Claim
86 words
An alloy for the occlusion of hydrogen, which alloy is represented by the generic formula: MmNi 5-X Co X , wherein Mm represents Mischmetal and X a number having the value of from 0.1 to 4.9, Mm containing, by weight, 25 to 30% of La, 40 to 45% of Ce, 10 to 15% of Pr, 4 to 5% of Nd, 4 to 7% of Sm+Gd, 3 to 5% of Fe, 0.1 to 1% of Si, 0.1 to 2% of Mg and 0.1 to 1% of Al.
Claim 3
Dependent Claim
13 words
The alloy according to claim 1, wherein X has a value of 2.0.
Claim 4
Dependent Claim
13 words
The alloy according to claim 1, wherein X has a value of 2.5.
Claim 5
Dependent Claim
13 words
The alloy according to claim 1, wherein X has a value of 3.0.
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) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |