US2902440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for utilizing impure hydrogen stream in hydrogenation reactions
Assignee: Gulf Research and Development Co
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Filing: 1957-07-12
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Granted: 1959-09-01
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Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Beuther Harold
- 👤 Alfred M Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007; C11; C11C; C11C3/00; C11C3/12; C11C3/126; Y; Y10; Y10S; Y10S48/00; Y10S48/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
4. A PROCESS FOR HYDROGEN TREATING A HEAVY HYDROCARBON OIL UNDER CONDITIONS SUCH THAT AT LEAST A PORTION OF THE OIL IS IN THE LIQUID PHASE DURING THE HYDROGEN TREATMENT WHICH COMPRISES PARTIALLY VAPORIZING SAID OIL AND SEPARATING THE VAPOR AND LIQUID, PASSING A LOW PURITY HYDROGEN STREAM ABOVE AND IN CONCURRENT, HORIZONTAL LAMINAR FLOW WITH THE VAPORIZED PORTION OF SAID OIL THROUGH AN UNOBSTRUCTED, ISOTHERMAL DIFFUSION ZONE, WITHDRAWING UPPER AND LOWER GAS STREAM FROM SAID ZONE, SAID LOWER PAS STREAM COMPRISING SAID OIL VAPOR AND DIFFUSED HYDROGEN, MAINTAINING SAID OIL VAPOR AND DIFFUSED HYDROGEN IN THE VAPOR PHASE, MIXING THE UNVAPORIZED PORTION OF SAID OIL WHEN THE OIL VAPOR AND DIFFUSED HYDROGEN AND CONTACTING THE HYDROCARBON-HYDROGEN MIXTURE WITH A HYDROGENATING CATALYST AT ELEVATED TEMPERATURE AND PRESSURE.
Claim 2
Dependent Claim
127 words
4. A PROCESS FOR HYDROGEN TREATING A HEAVY HYDROCARBON OIL UNDER CONDITIONS SUCH THAT AT LEAST A PORTION OF THE OIL IS IN THE LIQUID PHASE DURING THE HYDROGEN TREATMENT WHICH COMPRISES PARTIALLY VAPORIZING SAID OIL AND SEPARATING THE VAPOR AND LIQUID, PASSING A LOW PURITY HYDROGEN STREAM ABOVE AND IN CONCURRENT, HORIZONTAL LAMINAR FLOW WITH THE VAPORIZED PORTION OF SAID OIL THROUGH AN UNOBSTRUCTED, ISOTHERMAL DIFFUSION ZONE, WITHDRAWING UPPER AND LOWER GAS STREAM FROM SAID ZONE, SAID LOWER PAS STREAM COMPRISING SAID OIL VAPOR AND DIFFUSED HYDROGEN, MAINTAINING SAID OIL VAPOR AND DIFFUSED HYDROGEN IN THE VAPOR PHASE, MIXING THE UNVAPORIZED PORTION OF SAID OIL WHEN THE OIL VAPOR AND DIFFUSED HYDROGEN AND CONTACTING THE HYDROCARBON-HYDROGEN MIXTURE WITH A HYDROGENATING CATALYST AT ELEVATED TEMPERATURE AND PRESSURE.
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |