US5066554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire and moisture proof anode construction for alkaline metal or alkaline earth metal batteries
Assignee: NORSONS INTERNATIONAL LLC
•
Filing: 1990-03-26
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Granted: 1991-11-19
•
Expires: 2010-03-26
Abstract
Abstract Protection of anodes in alkaline metal or alkaline earth metal batteries is provided by covering the exposed side of the anode with a plastic film or metal foil that is coated with an adhesive composition, which plastic film and adhesive may be anhydrous.
Inventors
- 👤 Henry F. Hope
- 👤 Stephen F. Hope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:46
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/13; H01M4/36; H01M4/38; H01M4/381; H01M6/00; H01M6/02; H01M2004/026; H01M2004/027; H01M4/64; H01M4/66; H01M4/668; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
83 words
In an alkaline metal or alkaline earth metal battery which has an anode at least a portion of which is of alkaline metal or alkaline earth metal with at least one exposed surface not in contact with battery material the improvement for protection which compromises a layer of compatible protective material adjacent to and overlying said exposed surface of said anode, and a coating of compatible adhesive on said layer of material and in adherent contact with said exposed surface of said anode.
Claim 2
Dependent Claim
83 words
In an alkaline metal or alkaline earth metal battery which has an anode at least a portion of which is of alkaline metal or alkaline earth metal with at least one exposed surface not in contact with battery material the improvement for protection which compromises a layer of compatible protective material adjacent to and overlying said exposed surface of said anode, and a coating of compatible adhesive on said layer of material and in adherent contact with said exposed surface of said anode.
Claim 3
Dependent Claim
24 words
Protection of anodes as defined in claim 1 in which said anode is a layer of alkaline or alkaline earth metal in foil form.
Claim 4
Dependent Claim
28 words
Protection of anodes as defined in claim 1 in which said anode includes a layer of carbon or graphite and a layer of alkaline or alkaline earth metal.
Claim 5
Dependent Claim
17 words
Protection of anodes as defined in claim 1 in which said coating is an epoxide based composition.
Claim 6
Dependent Claim
17 words
Protection of anodes as defined in claim 1 in which said coating is an acrylic based composition.
Claim 7
Dependent Claim
17 words
Protection of anodes as defined in claim 1 in which said coating is a rubber based composition.
Claim 8
Dependent Claim
15 words
Protection of anodes as defined in claim 1 in which said adhesive coating is anhydrous.
Claim 9
Dependent Claim
18 words
Protection of anodes as defined in claim 1 in which said layer of material is a plastic film.
Claim 10
Dependent Claim
18 words
Protection of anodes as defined in claim 1 in which said layer of material is of metal foil.
Claim 11
Dependent Claim
16 words
Protection of anodes as defined in claim 1 in which said anode is of lithium metal.
Claim 12
Dependent Claim
18 words
Protection of anodes as defined in claim 1 in which said anode includes a layer of metal substrate.
Claim 13
Dependent Claim
14 words
Protection of anodes as defined in claim 8 in which said plastic is anhydrous.
Claim 14
Dependent Claim
17 words
Protection of anodes as defined in claim 9 in which said metal foil is coated with plastic.
Claim 15
Dependent Claim
14 words
Protection of anodes as defined in claim 13 in which said plastic is anhydrous.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-11-18 | 1995-05-20 | 1995-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-11-18 | 1999-05-20 | 1999-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-11-18 | 2003-05-20 | 2003-11-19 | $7700.00 | Window Closed / Lapsed |