Patent US3355249A successfully refreshed from Google Patents.
US3355249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing hydrogen and power
Assignee: Individual
•
Filing: 1966-06-29
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Granted: 1967-11-28
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Squires
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:31
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/12; C01B3/16; B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; B01J8/0496; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN IMPROVED PROCESS USEFUL IN THE PRODUCTION OF HYDROGEN AND POWER, COMPRISING: (A) SUPPLYING A PULVERULENT SOLID CONTAINING INTERMINGLED MICROSCOPIC CRYSTALLITES OF CALCIUM OXIDE AND MAGNESIUM OXIDE TO EACH OF AT LEAST TWO FLUIDIZED BEDS; (B) FLUIDIZING A FIRST BED AT ELEVATED TEMPERATURE WITH A GAS CONTAINING CARBON MONOXIDE AND STEAM; (C) SUBJECTING OFFGAS FROM SAID FIRST BED TO TREATMENT WHICH INCLUDES THE EMPLOYMENT OF AT LEAST PART OF SAID GAS TO FLUIDIZE A SECOND BED AT A LOWER TEMPERATURE WHICH IS BELOW THE EQUILIBRIUM DECOMPOSITION TEMPERATURE OF CALCIUM HYDROXIDE AT THE PARTIAL PRESSURE OF STEAM IN SAID GAS IN STEP (B); (D) WITHDRAWING HYDROGEN PRODUCT FROM SAID SECOND BED; AND (E) WITHDRAWING SOLID FROM EACH OF SAID FLUIDIZED BEDS, AND CALCINING THE SOLID WITHDRAWN FROM AT LEAST ONE
Claim 2
Dependent Claim
129 words
AN IMPROVED PROCESS USEFUL IN THE PRODUCTION OF HYDROGEN AND POWER, COMPRISING: (A) SUPPLYING A PULVERULENT SOLID CONTAINING INTERMINGLED MICROSCOPIC CRYSTALLITES OF CALCIUM OXIDE AND MAGNESIUM OXIDE TO EACH OF AT LEAST TWO FLUIDIZED BEDS; (B) FLUIDIZING A FIRST BED AT ELEVATED TEMPERATURE WITH A GAS CONTAINING CARBON MONOXIDE AND STEAM; (C) SUBJECTING OFFGAS FROM SAID FIRST BED TO TREATMENT WHICH INCLUDES THE EMPLOYMENT OF AT LEAST PART OF SAID GAS TO FLUIDIZE A SECOND BED AT A LOWER TEMPERATURE WHICH IS BELOW THE EQUILIBRIUM DECOMPOSITION TEMPERATURE OF CALCIUM HYDROXIDE AT THE PARTIAL PRESSURE OF STEAM IN SAID GAS IN STEP (B); (D) WITHDRAWING HYDROGEN PRODUCT FROM SAID SECOND BED; AND (E) WITHDRAWING SOLID FROM EACH OF SAID FLUIDIZED BEDS, AND CALCINING THE SOLID WITHDRAWN FROM AT LEAST ONE
References Cited (Backward Citations)
US2557680A
Cited
US2759799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |