US2692846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upgrading gasoline and naphtha
Assignee: Houdry Process Corp
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Filing: 1950-12-29
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Granted: 1954-10-26
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Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 Alex G Oblad
- 👤 Heinemann Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF UPGRADING THE QUALITY OF A NAPHTHA FRACTION CONTAINING NAPHTHENIC HYDROCARBONS BOILING IN THE RANGE OF GASOLINE, WHICH COMPRISES CONTACTING SUCH A FRACTION IN THE PRESENCE OF ADDED HYDROGEN WITH A CATALYST CONSISTING OF MOLYBDENUM OXIDE INCORPORATED IN AN INERT NON-ACIDIC CARRIER CONSISTING ESSENTIALLY OF GAMMA ALUMINA CONTAINING UP TO ABOUT 3% AMORPHOUS MAGNESIA INCORPORATED THEREIN AND BEING SUBSTANTIALLY FREE OF CRYSTALLINE MAGNESIUM ALUMINATE, SAID CATALYST HAVING BEEN PREPARED BY INCORPORATION OF THE MOLYBDENUM OXIDE INTO THE ALUMINA CARRIER WHICH HAS BEEN PREVIOUSLY IMPREGNATED WITH MAGNESIA; AND CONTACTING BEING PERFORMED UNDER CONDITIONS SUITABLE FOR DEHYDROGENATION OF NAPHTHENES IN SAID FRACTION, INCLUDING SUPER ATMOSPHERIC PRESSURE AND TEMPERATURES IN THE RANGE OF 850-1000* F.; AND RECOVERING A GASOLINE FRACTION OF DESIRED BOILING RANGE FROM THE REFORMATE THUS DISTRIBUTED.
Claim 2
Independent Claim
128 words
THE METHOD OF UPGRADING THE QUALITY OF A NAPHTHA FRACTION CONTAINING NAPHTHENIC HYDROCARBONS BOILING IN THE RANGE OF GASOLINE, WHICH COMPRISES CONTACTING SUCH A FRACTION IN THE PRESENCE OF ADDED HYDROGEN WITH A CATALYST CONSISTING OF MOLYBDENUM OXIDE INCORPORATED IN AN INERT NON-ACIDIC CARRIER CONSISTING ESSENTIALLY OF GAMMA ALUMINA CONTAINING UP TO ABOUT 3% AMORPHOUS MAGNESIA INCORPORATED THEREIN AND BEING SUBSTANTIALLY FREE OF CRYSTALLINE MAGNESIUM ALUMINATE, SAID CATALYST HAVING BEEN PREPARED BY INCORPORATION OF THE MOLYBDENUM OXIDE INTO THE ALUMINA CARRIER WHICH HAS BEEN PREVIOUSLY IMPREGNATED WITH MAGNESIA; AND CONTACTING BEING PERFORMED UNDER CONDITIONS SUITABLE FOR DEHYDROGENATION OF NAPHTHENES IN SAID FRACTION, INCLUDING SUPER ATMOSPHERIC PRESSURE AND TEMPERATURES IN THE RANGE OF 850-1000* F.; AND RECOVERING A GASOLINE FRACTION OF DESIRED BOILING RANGE FROM THE REFORMATE THUS DISTRIBUTED.
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |