US4122245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
AlCl3 /1-alkyl pyridinium chloride room temperature electrolytes
Assignee: United States Department of the Air Force
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Filing: 1977-08-19
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Granted: 1978-10-24
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Expires: 1997-08-19
Abstract
Abstract A room temperature electrolyte comprising a fused salt mixture of aluminum trichloride and an alkyl pyridinium chloride wherein the alkyl radical is selected from the group consisting of ethyl, methyl, 1-propyl and 1-butyl radicals.
Inventors
- 👤 John C. Nardi
- 👤 Charles L. Hussey
- 👤 Lowell A. King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:23
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M6/00; H01M6/14; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
37 words
A room temperature molten, fused salt electrolytic composition comprising a mixture of; (1) aluminum trichloride and (2) a 1-alkyl pyridinium chloride wherein said alkyl radical is selected from the group consisting of methyl, ethyl, 1-propyl and 1-butyl.
Claim 2
Dependent Claim
37 words
A room temperature molten, fused salt electrolytic composition comprising a mixture of; (1) aluminum trichloride and (2) a 1-alkyl pyridinium chloride wherein said alkyl radical is selected from the group consisting of methyl, ethyl, 1-propyl and 1-butyl.
Claim 3
Dependent Claim
21 words
A room temperature molten, fused salt electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and methyl pyridinium chloride.
Claim 4
Dependent Claim
21 words
A room temperature molten, fused salt electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and methyl pyridinium chloride.
Claim 5
Dependent Claim
21 words
A room temperature molten, fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and ethyl pyridinium chloride.
Claim 6
Dependent Claim
21 words
A room temperature molten, fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and ethyl pyridinium chloride.
Claim 7
Dependent Claim
21 words
A room temperature molten, fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and 1-propyl pyridinium chloride.
Claim 8
Dependent Claim
21 words
A room temperature molten, fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and 1-propyl pyridinium chloride.
Claim 9
Dependent Claim
21 words
A room temperature molten fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and 1-butyl pyridinium chloride.
Claim 10
Dependent Claim
21 words
A room temperature molten fused salt, electrolytic composition comprising a 2:1 molar ratio mixture of aluminum trichloride and 1-butyl pyridinium chloride.
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) | 1981-10-23 | 1982-04-24 | 1982-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-23 | 1986-04-24 | 1986-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-23 | 1990-04-24 | 1990-10-24 | $7700.00 | Window Closed / Lapsed |