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US4063937A
Expired / Lapsed
US
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Palladium-based alloy
Assignee: Individual
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Filing: 1976-12-27
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Granted: 1977-12-20
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Expires: 1996-12-27
Abstract
Abstract An alloy consists of 42.0 - 96.85% by weight of palladium 2.0 - 40.0% by weight of silver, 1.0 - 12.0% by weight of indium, 0.05 - 2.0% by weight of yttrium, 0.1 - 4.0% by weight of at least one element selected from the group consisting of niobium, molybdenum, tantalum, tungsten. The alloy according to the invention exhibits high hydrogen permeability and strength properties which enable the operation of the alloy at elevated temperatures.
Inventors
- 👤 Viktor Alexeevich Goltsov
- 👤 Nikolai Ivanovich Timofeev
- 👤 Sergei Grigorievich Guschin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B3/503; C01B3/505; C22; C22C; C22C5/00; C22C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
Palladium-based alloy consisting of 42.0-96.85% by weight of palladium 2-40% by weight of silver, 1-12% by weight of indium, 0.05-2% by weight of yttrium, 0.1-4% by weight of at least one element selected from the group including niobium, molybdenum, tantalum, tungsten.
Claim 2
Dependent Claim
41 words
Palladium-based alloy consisting of 42.0-96.85% by weight of palladium 2-40% by weight of silver, 1-12% by weight of indium, 0.05-2% by weight of yttrium, 0.1-4% by weight of at least one element selected from the group including niobium, molybdenum, tantalum, tungsten.
References Cited (Backward Citations)
US3713270A
Cited
US3804616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |