US3922872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron titanium manganase alloy hydrogen storage
Assignee: United States Department of Energy
•
Filing: 1975-02-04
•
Granted: 1975-12-02
•
Expires: 1995-02-04
Abstract
Abstract A three component alloy capable of reversible sorption of hydrogen having the chemical formula TiFe1 x Mnx where x is in the range of about 0.02 to 0.5 and the method of storing hydrogen using said alloy.
Inventors
- 👤 James J Reilly
- 👤 Jr Richard H Wiswall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
C; C22; C22C; C22C14/00; C01; C01B; C01B3/00; C01B3/0005; C01B3/001; C01B3/0018; C01B3/0031; F; F17; F17C; F17C11/00; F17C11/005; H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/383; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S148/00; Y10S148/153; Y10S420/00; Y10S420/90
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
27 words
A three component alloy capable of reversible sorption of hydrogen having the chemical formula TiFe1 xMnx where x is in the range of about 0.02 to 0.5.
Claim 2
Dependent Claim
27 words
A three component alloy capable of reversible sorption of hydrogen having the chemical formula TiFe1 xMnx where x is in the range of about 0.02 to 0.5.
Claim 3
Independent Claim
36 words
THE METHOD OF STORING HYDROGEN COMPRISING CONTACTING A SOLID ALLOY OF TIFE1-XMNX WHERE X IS IN THE RANGE OF ABOUT 0.02 TO 0.5 WITH GASEOUS H2 AT A PRESSURE ABOVE THE DISSOCIATION PRESSURE OF THE HYDRIDE.
Claim 4
Independent Claim
36 words
THE METHOD OF STORING HYDROGEN COMPRISING CONTACTING A SOLID ALLOY OF TIFE1-XMNX WHERE X IS IN THE RANGE OF ABOUT 0.02 TO 0.5 WITH GASEOUS H2 AT A PRESSURE ABOVE THE DISSOCIATION PRESSURE OF THE HYDRIDE.
Claim 5
Dependent Claim
28 words
The method of claim 2 in which the pressure of H2 during contacting is at least twice the dissociation pressure of the hydride for the temperature during contacting.
Claim 6
Dependent Claim
28 words
The method of claim 3 in which the pressure of H2 during contacting is about ten times the dissociation pressure of the hydride for the temperature during contacting.
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) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |