Patent US3393096A successfully refreshed from Google Patents.
US3393096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a porous plaque
Assignee: Texas Instruments Inc
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Filing: 1965-10-24
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Granted: 1968-07-16
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:13
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/80; B; B22; B22F; B22F7/00; B22F7/002; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE METHOD OF MANUFACTURING A POROUS PLAQUE TYPE OF SUBSTRATE MATERIAL FOR ELECTROCHEMICAL APPARATUS, COMPRISING FORMING AND STIRRING A MIXTURE OF POLYETHYLENE OXIDE, A SOLVENT, NICKEL POWDER AND WATER TO FORM A SLURRY, THE POLYETHYLENE OXIDE AND SOLVENT BEING MIXED AND STIRRED TO FORM A LUMP-FREE DISPERSION BEFORE THE ADDITION OF THE WATER, THE WATER TRANSFORMING THE DISPERSION INTO A THICKENED SOLUTION OF VISCOSITY SUBSTANTIALLY GREATER THAN THAT OF THE DISPERSION, THE PRESENCE OF THE POWDER IN THE SLURRY PROVIDING ADDITIONAL VISCOSITY, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF METHYL ALCOHOL, ETHYL ALCOHOL AND ACETONE, APPLYING THE SLURRY TO A SUPPORTING MESH, LEVELING THE SLURRY ON THE MESH, DRYING THE LEVELED SLURRY ON THE MESH, THEREBY EVAPORATING THE WATER AND THE SOLVENT TO MAKE THE DRIED SLURRY SUBSTANTIALLY POROUS, AND SINTERING THE DRIED SLURRY CARRIED BY THE MESH.
Claim 2
Independent Claim
140 words
THE METHOD OF MANUFACTURING A POROUS PLAQUE TYPE OF SUBSTRATE MATERIAL FOR ELECTROCHEMICAL APPARATUS, COMPRISING FORMING AND STIRRING A MIXTURE OF POLYETHYLENE OXIDE, A SOLVENT, NICKEL POWDER AND WATER TO FORM A SLURRY, THE POLYETHYLENE OXIDE AND SOLVENT BEING MIXED AND STIRRED TO FORM A LUMP-FREE DISPERSION BEFORE THE ADDITION OF THE WATER, THE WATER TRANSFORMING THE DISPERSION INTO A THICKENED SOLUTION OF VISCOSITY SUBSTANTIALLY GREATER THAN THAT OF THE DISPERSION, THE PRESENCE OF THE POWDER IN THE SLURRY PROVIDING ADDITIONAL VISCOSITY, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF METHYL ALCOHOL, ETHYL ALCOHOL AND ACETONE, APPLYING THE SLURRY TO A SUPPORTING MESH, LEVELING THE SLURRY ON THE MESH, DRYING THE LEVELED SLURRY ON THE MESH, THEREBY EVAPORATING THE WATER AND THE SOLVENT TO MAKE THE DRIED SLURRY SUBSTANTIALLY POROUS, AND SINTERING THE DRIED SLURRY CARRIED BY THE MESH.
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |