US3336423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a catalytic electrode
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-12-31
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Granted: 1967-08-15
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Clair Donald E Le
- 👤 Jerome C Dowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
B; B01; B01J; B01J37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A METHOD OF MAKING CATALYTIC ELECTRODES BY COLD PRESSING A WET MIXTURE OF THE COMPONENTS OF THE ELECTRODE IN A PRESS, THE IMPROVEMENT COMPRISING COLD PRESSING THE WET ELECTRODE MIXTURE BETWEN TWO ORGANIC POROUS MEMBERS EACH HAVING A THICKNESS LESS THAN 0.12 INCH AND SUBSTANTIALLY NO LTERAL EXPANSION WHEN SUBJECTED TO A PRESSURE UP TO ABOUT 10,000 P.S.I., THEREBY PRODUCING A CATALYTIC ELECTRODE WHICH HAS A SUBSTANTIALLY SMOOTH AND CRACK-FREE SURFACE.
Claim 2
Dependent Claim
72 words
IN A METHOD OF MAKING CATALYTIC ELECTRODES BY COLD PRESSING A WET MIXTURE OF THE COMPONENTS OF THE ELECTRODE IN A PRESS, THE IMPROVEMENT COMPRISING COLD PRESSING THE WET ELECTRODE MIXTURE BETWEN TWO ORGANIC POROUS MEMBERS EACH HAVING A THICKNESS LESS THAN 0.12 INCH AND SUBSTANTIALLY NO LTERAL EXPANSION WHEN SUBJECTED TO A PRESSURE UP TO ABOUT 10,000 P.S.I., THEREBY PRODUCING A CATALYTIC ELECTRODE WHICH HAS A SUBSTANTIALLY SMOOTH AND CRACK-FREE SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |