US4339270A
Expired / Lapsed
US
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Corrosion resistant amorphous noble metal-base alloys
Assignee: Tosoh Corp
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Filing: 1980-04-14
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Granted: 1982-07-13
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Expires: 2000-04-14
Abstract
Abstract An amorphous alloy is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent of P and/or Si (2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt. The amorphous alloy is used for an electrode for an electrolysis.
Inventors
- 👤 Koji Hashimoto
- 👤 Tsuyoshi Masumoto
- 👤 Motoi Hara
- 👤 Katsuhiko Asami
- 👤 Kazutaka Sakiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:26
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/003
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
50 words
An amorphous alloy which is prepared by rapid quenching at a cooling rate of higher than 10,000° C./sec. from the liquid state and consists of (1) 10 to 40 atomic percent of P and/or Si (2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.
Claim 2
Dependent Claim
50 words
An amorphous alloy which is prepared by rapid quenching at a cooling rate of higher than 10,000° C./sec. from the liquid state and consists of (1) 10 to 40 atomic percent of P and/or Si (2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.
Claim 3
Dependent Claim
49 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent of P and/or Si and (2) 90 to 60 atomic percent of Pd, Rh and Pt and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 4
Dependent Claim
49 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent of P and/or Si and (2) 90 to 60 atomic percent of Pd, Rh and Pt and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 5
Dependent Claim
45 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt and 2 to 80 atomic percent Ir and/or Ru.
Claim 6
Dependent Claim
45 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt and 2 to 80 atomic percent Ir and/or Ru.
Claim 7
Dependent Claim
55 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt, 2 to 80 atomic percent Ir and/or Ru and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 8
Dependent Claim
55 words
An amorphous alloy which is prepared by rapid quenching from the liquid state and consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt, 2 to 80 atomic percent Ir and/or Ru and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 9
Dependent Claim
34 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent of P and/or Si (2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.
Claim 10
Dependent Claim
34 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent of P and/or Si (2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.
Claim 11
Dependent Claim
42 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent of P and/or Si and (2) 90 to 60 atomic percent of Pd, Rh and Pt and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 12
Dependent Claim
42 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent of P and/or Si and (2) 90 to 60 atomic percent of Pd, Rh and Pt and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 13
Dependent Claim
38 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt and 2 to 80 atomic percent Ir and/or Ru.
Claim 14
Dependent Claim
38 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt and 2 to 80 atomic percent Ir and/or Ru.
Claim 15
Dependent Claim
48 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt, 2 to 80 atomic percent Ir and/or Ru and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
Claim 16
Dependent Claim
48 words
An amorphous alloy electrode for electrolysis which consists of (1) 10 to 40 atomic percent P and/or Si and (2) 90 to 60 atomic percent Pd, Rh and/or Pt, 2 to 80 atomic percent Ir and/or Ru and 1 to 25 atomic percent Ti, Zr, Nb and/or Ta.
References Cited (Backward Citations)
US3856513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |