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US3839550A Expired / Lapsed US ⏱️ 0.0 years remaining

Closed-cycle thermochemical process for the decomposition of water

Assignee: General Electric Co
•
Filing: 1973-06-28
•
Granted: 1974-10-01
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Expires: 1993-06-28
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Abstract

Abstract 1. THE PROCESS FOR THE GENERATION OF HYDROGEN AND OXYGEN FROM WATER COMPRISING THE STEPS OF: (A) HYDROLYZING LITHIUM IODIDE TO PRODUCE LITHIUM HYDROXIDE AND HYDROIODIC ACID; (B) REMOVING THE HYDROIDIC ACID FROM THE HYDROLYSIS REACTION ZONE, (C) REACTING AQUEOUS LITHIUM HYDROXIDE FROM TEP (A) WITH IODINE TO PRODUCE AN AQUEOUS MIXTURE OF LITHIUM IODIDE AND LITHIUM IODATE, (D) SEPARATING THE LITHIUM IODIDE FROM THE LITHIUM IODATE, SAID LITHIUM IODIDE BEING USED FOR STEP (A), (E) REACTING THE LITHIUM IODATE IN THE PRESENCE OF WATER WITH THE IODIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF POTASSIUM, RUBIDIUM AND CESIUM, (F) SEPARATING IODATE OF THE METAL SELECTED FROM THE LITHIUM IODIDE AND WATER, (G) THERMALLY DECOMPOSING THE METAL OXIDE OIDATE SO SEPARATED TO YEILED OXYGEN AND THE IODIDE OF THE SELECTED METAL, AT LEAST SOME OF THE OXYGEN BEING CONTINOUSLU REMOVED FROM THE SYSTEM AND THE METAL IODIDE BEING USED IN STEP (E), (H) CONVERTING THE HYDROIDIC ACID TO HYDROGEN AND IODINE, THE HYDROGEN BEING CONTINOUSLY REMOVED FROM THE SYSTEM AND COLLECTED AND THE IODINE BEING USED IN STEP (C) AND (I) CONTINOUSLY INTRODUCING WATER INTO THE SYSTEM.

Inventors

  • 👤 R Wentorf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:32
CPC Classifications
G; G21; G21D; G21D9/00; C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0207; C01B3/00; C01B3/02; C01B3/06; C01B3/061; C01B3/08; C01B3/10; C01B3/103; C01D; C01D15/00; C01D15/02; C01D15/04; C01D3/00; C01D3/12; Y; Y02; Y02E; Y02E30/00; Y02E60/00; Y02E60/30; Y02E60/36

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 188 words
THE PROCESS FOR THE GENERATION OF HYDROGEN AND OXYGEN FROM WATER COMPRISING THE STEPS OF: (A) HYDROLYZING LITHIUM IODIDE TO PRODUCE LITHIUM HYDROXIDE AND HYDROIODIC ACID; (B) REMOVING THE HYDROIDIC ACID FROM THE HYDROLYSIS REACTION ZONE, (C) REACTING AQUEOUS LITHIUM HYDROXIDE FROM TEP (A) WITH IODINE TO PRODUCE AN AQUEOUS MIXTURE OF LITHIUM IODIDE AND LITHIUM IODATE, (D) SEPARATING THE LITHIUM IODIDE FROM THE LITHIUM IODATE, SAID LITHIUM IODIDE BEING USED FOR STEP (A), (E) REACTING THE LITHIUM IODATE IN THE PRESENCE OF WATER WITH THE IODIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF POTASSIUM, RUBIDIUM AND CESIUM, (F) SEPARATING IODATE OF THE METAL SELECTED FROM THE LITHIUM IODIDE AND WATER, (G) THERMALLY DECOMPOSING THE METAL OXIDE OIDATE SO SEPARATED TO YEILED OXYGEN AND THE IODIDE OF THE SELECTED METAL, AT LEAST SOME OF THE OXYGEN BEING CONTINOUSLU REMOVED FROM THE SYSTEM AND THE METAL IODIDE BEING USED IN STEP (E), (H) CONVERTING THE HYDROIDIC ACID TO HYDROGEN AND IODINE, THE HYDROGEN BEING CONTINOUSLY REMOVED FROM THE SYSTEM AND COLLECTED AND THE IODINE BEING USED IN STEP (C) AND (I) CONTINOUSLY INTRODUCING WATER INTO THE SYSTEM.
Claim 2
Dependent Claim 188 words
THE PROCESS FOR THE GENERATION OF HYDROGEN AND OXYGEN FROM WATER COMPRISING THE STEPS OF: (A) HYDROLYZING LITHIUM IODIDE TO PRODUCE LITHIUM HYDROXIDE AND HYDROIODIC ACID; (B) REMOVING THE HYDROIDIC ACID FROM THE HYDROLYSIS REACTION ZONE, (C) REACTING AQUEOUS LITHIUM HYDROXIDE FROM TEP (A) WITH IODINE TO PRODUCE AN AQUEOUS MIXTURE OF LITHIUM IODIDE AND LITHIUM IODATE, (D) SEPARATING THE LITHIUM IODIDE FROM THE LITHIUM IODATE, SAID LITHIUM IODIDE BEING USED FOR STEP (A), (E) REACTING THE LITHIUM IODATE IN THE PRESENCE OF WATER WITH THE IODIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF POTASSIUM, RUBIDIUM AND CESIUM, (F) SEPARATING IODATE OF THE METAL SELECTED FROM THE LITHIUM IODIDE AND WATER, (G) THERMALLY DECOMPOSING THE METAL OXIDE OIDATE SO SEPARATED TO YEILED OXYGEN AND THE IODIDE OF THE SELECTED METAL, AT LEAST SOME OF THE OXYGEN BEING CONTINOUSLU REMOVED FROM THE SYSTEM AND THE METAL IODIDE BEING USED IN STEP (E), (H) CONVERTING THE HYDROIDIC ACID TO HYDROGEN AND IODINE, THE HYDROGEN BEING CONTINOUSLY REMOVED FROM THE SYSTEM AND COLLECTED AND THE IODINE BEING USED IN STEP (C) AND (I) CONTINOUSLY INTRODUCING WATER INTO THE SYSTEM.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-09-30 1978-04-01 1978-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-30 1982-04-01 1982-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-30 1986-04-01 1986-10-01 $7700.00 Window Closed / Lapsed

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