US3577329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of high purity hydrogen
Assignee: Atlantic Richfield Co
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Filing: 1969-03-17
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Granted: 1971-05-04
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Expires: 1989-03-17
Abstract
Abstract AN IMPROVED PROCESS AND APPARATUS FOR THE PRODUCTION OF HYDROGEN OF HIGH PURITY WHEREBY A CARBONACEOUS FUEL IS REFORMED TO PRODUCE HYDROGEN AND SAID HYDROGEN IS RECOVERED ECONOMICALLY FROM SAID REFORMING OPERATION THROUGH THE USE OF AN ELECTROLYTIC PROCESS USING CHEMICAL ENERGY OF THE REFORMING PROCESS TO REDUCED ELECTRICAL ENERGY NEEDED AND WHEREIN A MOIST GAS IS ADDED TO THE ELECTROLYTE TO FACILITATE THE ELECTROLYTIC RECOVERY OF HYDROGEN AT THE CATHODE.
Inventors
- 👤 Harold Shalit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:36
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; C; C25; C25B; C25B1/00; C25B1/01; C25B1/02; C25B1/04; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36; Y02E60/50
Claims Analysis
Total Claims: 0
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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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |