US4402995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of lithium anodes
Assignee: Spectrum Brands Inc
•
Filing: 1982-01-28
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Granted: 1983-09-06
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Expires: 2002-01-28
Abstract
Abstract A method for reducing passivation of a lithium anode used in a cell having a liquid thionyl chloride cathode is disclosed, characterized in that the anode is coated before the assembly of the cell with a solution of an alkyl 2-cyanoacrylate, a solvent, and lithium perchlorate.
Inventors
- 👤 Niles A. Fleischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:04
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/12; H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M6/00; H01M6/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
The method for reducing passivation of a lithium electrode used in a cell having a thionyl chloride liquid cathode which comprises coating said lithium electrode before assembly into said cell with a solution of an alkyl 2-cyanoacrylate, a solvent and lithium perchlorate.
Claim 2
Independent Claim
42 words
The method for reducing passivation of a lithium electrode used in a cell having a thionyl chloride liquid cathode which comprises coating said lithium electrode before assembly into said cell with a solution of an alkyl 2-cyanoacrylate, a solvent and lithium perchlorate.
Claim 3
Dependent Claim
24 words
The method in accordance with claim 1 wherein lithium perchlorate is present in said solution in an effective concentration up to about 3 molar.
References Cited (Backward Citations)
US4002492A
Cited
US4170693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-05 | 1987-03-07 | 1987-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-05 | 1991-03-07 | 1991-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-05 | 1995-03-07 | 1995-09-06 | $7700.00 | Window Closed / Lapsed |