Patent US3306706A successfully refreshed from Google Patents.
US3306706A
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Process for producing hydrogen and hydrogen carrier therefor
Assignee: HRI Inc
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Filing: 1962-10-17
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Granted: 1967-02-28
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Seymour C Schuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/26; C01B3/32; C01B3/34; C01B3/38; C01B2203/00; C01B2203/02; C01B2203/0266; C01B2203/0277; C01B2203/04; C01B2203/0465; C01B2203/048; C01B2203/06; C01B2203/066; C01B2203/08; C01B2203/0805; C01B2203/0838; C01B2203/0844; C01B2203/0872; C01B2203/0883; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1252; C01B2203/1258; C01B2203/14; C01B2203/146; C01B2203/147; C01B2203/148; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE PROCESS OF DEHYDROGENATION OF CYCLOHEXANE TO PRODUCE BENZENE AND HYDROGEN WHICH COMPRISES CONTACTING THE CYCLOHEXANE WITH A SUITABLE CATALYST AT SUBSTANTIALLY ATMOSPHERIC PRESSURE AND BELOW 1000*F. TO RELEASE HYDROGEN, COOLING AND CONDENSING THE EFFLUENT TO PRODUCE BENZENE AND LIQUEFIABLE CONSTITUENTS AS A LIQUEFIED PRODUCT AND RELATIVELY PURE HYDROGEN A S ASECOND PRODUCT AND RETURNING THE LIQUEFIED PRODUCT TO A REHYDROGENATION STEP, SAID COOLING BEING ACCOMPLISHED TO A TEMPERATURE IN THE ORDER OF 0*F. TO CONDENSE IN THE ORDER OF 97% OF THE BENZENE AND PRODUCE HYDROGEN OF ABOUT 99% PURITY.
Claim 2
Dependent Claim
91 words
THE PROCESS OF DEHYDROGENATION OF CYCLOHEXANE TO PRODUCE BENZENE AND HYDROGEN WHICH COMPRISES CONTACTING THE CYCLOHEXANE WITH A SUITABLE CATALYST AT SUBSTANTIALLY ATMOSPHERIC PRESSURE AND BELOW 1000*F. TO RELEASE HYDROGEN, COOLING AND CONDENSING THE EFFLUENT TO PRODUCE BENZENE AND LIQUEFIABLE CONSTITUENTS AS A LIQUEFIED PRODUCT AND RELATIVELY PURE HYDROGEN A S ASECOND PRODUCT AND RETURNING THE LIQUEFIED PRODUCT TO A REHYDROGENATION STEP, SAID COOLING BEING ACCOMPLISHED TO A TEMPERATURE IN THE ORDER OF 0*F. TO CONDENSE IN THE ORDER OF 97% OF THE BENZENE AND PRODUCE HYDROGEN OF ABOUT 99% PURITY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |