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US3279950A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of using solid organic fuels in a fuel cell

Assignee: Union Carbide Corp
•
Filing: 1962-08-20
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Granted: 1966-10-18
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Expires: 1982-08-20
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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)

GB199736A Cited
US1243111A Cited
US2384463A Cited
US2925454A Cited
US2860175A Cited
US3097974A Cited

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

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