← Back to Patent Explorer
US3306706A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing hydrogen and hydrogen carrier therefor

Assignee: HRI Inc
•
Filing: 1962-10-17
•
Granted: 1967-02-28
•
Expires: 1982-10-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Seymour C Schuman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:44
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)

US2827504A Cited
US3111387A Cited
US3179500A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag