Patent US3279950A successfully refreshed from Google Patents.
US3279950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of using solid organic fuels in a fuel cell
Assignee: Union Carbide Corp
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Filing: 1962-08-20
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Granted: 1966-10-18
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Karl V Kordesch
- 👤 James O Koehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:14
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A METHOD OF ELECTROCHEMICALLY PRODUCING ELECTRICITY BY PROVIDING A FUEL CELL WHICH COMPRISES AN ANODE, AN OXYGEN GAS CATHODE, AN AQUEOUS ELECTROLYTE IN PHYSICAL CONTACT WITH BOTH SAID ANODE AND CATHODE, AND AN EXTERNAL CIRCUIT BETWEEN SAID ANODE AND CATHODE, AND INCLUDING THE STEPS OF SUPPLYING OXYGEN GAS TO SAID CATHODE AND SUPPLYING TO SAID ANODE FUEL WHICH ELECTROCHEMICALLY COMBINES WITH SAID OXYGEN GAS TO FORM WATER; THE IMPROVEMENT WHICH COMPRISES MAKING SAID ANODE OF ACTIVE CARBON AT LEAST ON THE ACTIVE SURFACES THEREOF AND DEPOSITING ON SAID CARBON A METAL CATALYST SELECTED FROM THE GROUP CONSISTING OF THE PLATINUM FAMILY METALS, IRON, NICKEL, AND MIXTURES THEREOF TO THE EXTENT OF ABOUT 1/4 TO 8 MILLIGRAMS PER CENTIMETER SQUARE OF APPARENT SURFACE AREA, AND SUPPLYING DIRECTLY TO SAID ANODE A FUEL CONSISTING ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF SUGAR AND PENTAERYTHRITOL DISSOLVED IN WATER, WHICH FUEL BY DISSOCIATION PROVIDES HYDROGEN IONS WITHOUT HYDROGEN MOLECULES AT THE SURFACE OF SAID ANODE.
Claim 2
Dependent Claim
164 words
IN A METHOD OF ELECTROCHEMICALLY PRODUCING ELECTRICITY BY PROVIDING A FUEL CELL WHICH COMPRISES AN ANODE, AN OXYGEN GAS CATHODE, AN AQUEOUS ELECTROLYTE IN PHYSICAL CONTACT WITH BOTH SAID ANODE AND CATHODE, AND AN EXTERNAL CIRCUIT BETWEEN SAID ANODE AND CATHODE, AND INCLUDING THE STEPS OF SUPPLYING OXYGEN GAS TO SAID CATHODE AND SUPPLYING TO SAID ANODE FUEL WHICH ELECTROCHEMICALLY COMBINES WITH SAID OXYGEN GAS TO FORM WATER; THE IMPROVEMENT WHICH COMPRISES MAKING SAID ANODE OF ACTIVE CARBON AT LEAST ON THE ACTIVE SURFACES THEREOF AND DEPOSITING ON SAID CARBON A METAL CATALYST SELECTED FROM THE GROUP CONSISTING OF THE PLATINUM FAMILY METALS, IRON, NICKEL, AND MIXTURES THEREOF TO THE EXTENT OF ABOUT 1/4 TO 8 MILLIGRAMS PER CENTIMETER SQUARE OF APPARENT SURFACE AREA, AND SUPPLYING DIRECTLY TO SAID ANODE A FUEL CONSISTING ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF SUGAR AND PENTAERYTHRITOL DISSOLVED IN WATER, WHICH FUEL BY DISSOCIATION PROVIDES HYDROGEN IONS WITHOUT HYDROGEN MOLECULES AT THE SURFACE OF SAID ANODE.
References Cited (Backward Citations)
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Cited
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |