US3297545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation and recovery of hydrogen
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1964-08-21
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Granted: 1967-01-10
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Expires: 1984-08-21
Abstract
No abstract record available.
Inventors
- 👤 James E Zajic
- 👤 Dean A Mcgee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:48
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/26; C12N1/28; C12N1/30; C12P; C12P3/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR PREPARING ELEMENTAL HYDROGEN COMPRISING INTIMATELY CONTACTING A GASEOUS MIXTURE INCLUDING A NORMALLY GASEOUS HYDROCARBON AND ELEMENTAL OXYGEN WITH AN AQUEOUS MEDIUM, THE AQUEOUS MEDIUM BEING WITHIN A SYSTEM CLOSED TO THE OUTSIDE ATMOSPHERE, THE AQUEOUS MEDIUM CONTAINING AN ENZYME FOUND IN THE MICROORGANISM PSEUDOMONAS METHANICA VARIETY HYDROGENOSIS CAPABLE OF OXIDIZING THE GASEOUS HYDROCARBON IN THE PRESENCE OF THE ELEMENTAL OXYGEN AND PRODUCING ELEMENTAL HYDROGEN THEREFROM, THE GASEOUS HYDROCARBON BEING SUBJECTED TO THE ACTION OF THE ENZYME IN THE AQUEOUS MEDIUM UNTIL ELEMENTAL HYDROGEN IS PRODUCED AND RELEASED INTO THE GASEOUS MIXTURE, AND RECOVERING ELEMENTAL HYDROGEN THUS PRODUCED FROM THE GASEOUS MIXTURE.
Claim 2
Dependent Claim
104 words
A PROCESS FOR PREPARING ELEMENTAL HYDROGEN COMPRISING INTIMATELY CONTACTING A GASEOUS MIXTURE INCLUDING A NORMALLY GASEOUS HYDROCARBON AND ELEMENTAL OXYGEN WITH AN AQUEOUS MEDIUM, THE AQUEOUS MEDIUM BEING WITHIN A SYSTEM CLOSED TO THE OUTSIDE ATMOSPHERE, THE AQUEOUS MEDIUM CONTAINING AN ENZYME FOUND IN THE MICROORGANISM PSEUDOMONAS METHANICA VARIETY HYDROGENOSIS CAPABLE OF OXIDIZING THE GASEOUS HYDROCARBON IN THE PRESENCE OF THE ELEMENTAL OXYGEN AND PRODUCING ELEMENTAL HYDROGEN THEREFROM, THE GASEOUS HYDROCARBON BEING SUBJECTED TO THE ACTION OF THE ENZYME IN THE AQUEOUS MEDIUM UNTIL ELEMENTAL HYDROGEN IS PRODUCED AND RELEASED INTO THE GASEOUS MIXTURE, AND RECOVERING ELEMENTAL HYDROGEN THUS PRODUCED FROM THE GASEOUS MIXTURE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |