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US4430296A
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Molybdenum-based alloy
Assignee: Toshiba Corp
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Filing: 1982-06-24
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Granted: 1984-02-07
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Expires: 2002-06-24
Abstract
Abstract A molybdenum-based alloy improved in mechanical strength and hot workability, which consists of 0.01 to 5.0% by weight of vanadium, 10 to 100 ppm of boron, 10 to 1,000 ppm of carbon, and the balance of molybdenum.
Inventors
- 👤 Hideo Koizumi
- 👤 Hideo Ishihara
- 👤 Tatsuhiko Matsumoto
- 👤 Katsuhiko Kawakita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:14
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/06; C; C22; C22C; C22C27/00; C22C27/04; F16B12/44; F16B12/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
A molybdenum-based alloy resistant to embrittlement upon irradiation with neutrons and consisting of 0.1 to 2.5% by weight of vanadium, 10 to 100 ppm of boron, 10 to 1,000 ppm of carbon, and the balance of molybdenum.
Claim 2
Dependent Claim
37 words
A molybdenum-based alloy resistant to embrittlement upon irradiation with neutrons and consisting of 0.1 to 2.5% by weight of vanadium, 10 to 100 ppm of boron, 10 to 1,000 ppm of carbon, and the balance of molybdenum.
Claim 3
Dependent Claim
19 words
A molybdenum-based alloy according to claim 1, wherein boron is contained in an amount of 20 to 80 ppm.
Claim 4
Dependent Claim
20 words
A molybdenum-based alloy according to claim 1, wherein carbon is contained in an amount of not greater than 500 ppm.
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) | 1987-02-06 | 1987-08-08 | 1988-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-06 | 1991-08-08 | 1992-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-06 | 1995-08-08 | 1996-02-07 | $7700.00 | Window Closed / Lapsed |