Patent US5082622A successfully refreshed from Google Patents.
US5082622A
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Zinc alloy powder for alkaline batteries
Assignee: Umicore NV SA
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Filing: 1990-10-30
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Granted: 1992-01-21
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Expires: 2010-10-30
Abstract
Abstract A zinc base powder for alkaline batteries consisting of 0.005-2% aluminum, 0.005-2% lead, 0.003-2% bismuth and 0.001-2% indium, the rest being zinc and unavoidable impurities.
Inventors
- 👤 Marcel Meeus
- 👤 Yvan Strauven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:50
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; C; C22; C22C; C22C18/00; C22C18/04; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/42; B; B22; B22F; B22F2998/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
28 words
A zinc base powder for alkaline batteries consisting of 0.005-2% aluminum as well as besides zinc and unavoidable impurities, only 0.005-2% lead, 0.003-2% bismuth and 0.0001-2% of indium.
Claim 2
Dependent Claim
28 words
A zinc base powder for alkaline batteries consisting of 0.005-2% aluminum as well as besides zinc and unavoidable impurities, only 0.005-2% lead, 0.003-2% bismuth and 0.0001-2% of indium.
Claim 3
Dependent Claim
10 words
A powder according to claim 1 which contains 0.005-0.5% Al.
Claim 4
Dependent Claim
10 words
A powder according to claim 1 which contains 0.0025-0.2% In.
Claim 5
Dependent Claim
10 words
A powder according to claim 1 which contains 0.005-2% Pb.
Claim 6
Dependent Claim
10 words
A powder according to claim 1 which contains 0.003-2% Bi.
Claim 7
Dependent Claim
17 words
A powder according to claim 1, which contains 0.04% Al, 0.02% In, 0.05% Pb and 0.013% Bi.
Claim 8
Dependent Claim
17 words
A powder according to claim 1 which contains 0.05% Al, 0.015% In, 0.05% Pb and 0.03% Bi.
Claim 9
Dependent Claim
10 words
A powder according to claim 2 which contains 0.005-0.1% Al.
Claim 10
Dependent Claim
10 words
A powder according to claim 3 which contains 0.005-0.06% Al.
Claim 11
Dependent Claim
10 words
A powder according to claim 3 which contains 0.0025-0.05% In.
Claim 12
Dependent Claim
10 words
A powder according to claim 4 which contains 0.005-0.2% Pb.
Claim 13
Dependent Claim
10 words
A powder according to claim 4 which contains 0.003-2% Bi.
Claim 14
Dependent Claim
10 words
A powder according to claim 5 which contains 0.003-0.2% Bi.
Claim 15
Dependent Claim
10 words
A powder according to claim 9 which contains 0.02-0.06% Al.
Claim 16
Dependent Claim
10 words
A powder according to claim 11 which contains 0.01-0.1% Pb.
Claim 17
Dependent Claim
10 words
A powder according to claim 13 which contains 0.003-0.05% Bi.
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) | 1995-01-20 | 1995-07-22 | 1996-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-20 | 1999-07-22 | 2000-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-20 | 2003-07-22 | 2004-01-21 | $7700.00 | Window Closed / Lapsed |