Patent US3383247A successfully refreshed from Google Patents.
US3383247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a fuel cell electrode
Assignee: BASF Catalysts LLC
•
Filing: 1965-08-19
•
Granted: 1968-05-14
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Otto J Adlhart
- 👤 Antal J Hartner
- 👤 Robert C Langley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR PRODUCING A FUEL CELL ELECTRODE WHICH COMPRISES THE STEPS OF IMPREGNATING A POROUS PERFLUORINATED SUBSTRATE WITH AN ORGANIC SOLUTION OF A SILVER NAPHTHENATE-AMINE COMPLEX, HEATING SAID SUBSTRATE TO A TEMPERATURE BETWEEN 100 AND 150*C. TO DECOMPOSE SAID COMPLEX AND FORM A THIN COHERENT ELECTRICALLY CONDUCTIVE SILVER COATING ON SAID SUBSTRATE, AND APPLYING A METAL CATALYST TO THE COATED SUBSTRATE.
Claim 2
Dependent Claim
62 words
A PROCESS FOR PRODUCING A FUEL CELL ELECTRODE WHICH COMPRISES THE STEPS OF IMPREGNATING A POROUS PERFLUORINATED SUBSTRATE WITH AN ORGANIC SOLUTION OF A SILVER NAPHTHENATE-AMINE COMPLEX, HEATING SAID SUBSTRATE TO A TEMPERATURE BETWEEN 100 AND 150*C. TO DECOMPOSE SAID COMPLEX AND FORM A THIN COHERENT ELECTRICALLY CONDUCTIVE SILVER COATING ON SAID SUBSTRATE, AND APPLYING A METAL CATALYST TO THE COATED SUBSTRATE.
References Cited (Backward Citations)
US2689805A
Cited
US2898228A
Cited
US3276909A
Cited
US3171757A
Cited
US3235473A
Cited
US3234050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |