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US4183988A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid ion-conductive electrolyte

Assignee: General Electric Co
•
Filing: 1978-11-16
•
Granted: 1980-01-15
•
Expires: 1998-11-16
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Abstract

Abstract A solid ion-conductive electrolyte is described which comprises a polymer film, a plurality of solid polycrystalline ion-conductive particles embedded therein, and the particles exposed at both opposite surfaces of the film.

Inventors

  • 👤 Gregory C. Farrington
  • 👤 Joseph L. Weininger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 04:03
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M50/00; H01M50/40; H01M50/489; H01M50/497

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 46 words
A solid ion-conductive electrolyte comprising a polymer film having opposite surfaces, a plurality of solid polycrystalline ion-conductive particles embedded therein, and the particles exposed at both opposite surfaces of the film said particles are selected from the group consisting of beta-aluminas, beta "-aluminas, and mixtures thereof.
Claim 2
Dependent Claim 46 words
A solid ion-conductive electrolyte comprising a polymer film having opposite surfaces, a plurality of solid polycrystalline ion-conductive particles embedded therein, and the particles exposed at both opposite surfaces of the film said particles are selected from the group consisting of beta-aluminas, beta "-aluminas, and mixtures thereof.
Claim 3
Dependent Claim 15 words
A solid ion-conductive electrolyte as in claim 1, in which the polymer film is polyester.
Claim 4
Dependent Claim 15 words
A solid ion-conductive electrolyte as in claim 1, in which the polymer film is polyurethane.

References Cited (Backward Citations)

US3997366A Cited
US3976505A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-01-14 1983-07-16 1984-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-01-14 1987-07-16 1988-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-01-14 1991-07-16 1992-01-15 $7700.00 Window Closed / Lapsed

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