US3761389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of converting aliphatics to aromatics
Assignee: Mobil Oil AS
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Filing: 1972-08-28
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Granted: 1973-09-25
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Expires: 1992-08-28
Abstract
Abstract IMPROVEMENTS IN THE KNOWN PROCESS FOR CONVERTING C2 TO 400*F. ALIPHATIC STREAMS BY CONTACTING SUCH STREAM WITH A ZSM-5 TYPE OF CATALYST AT ELEVATED TEMPERATURES AND UNDER RELATIVELY SEVERE REACTION CONDITIONS SUFFICIENT TO CONVERT AT LEAST 70% OF THE FEED TO A PRODUCT WITH AN AROMATICS YIELD OF AT LEAST 20 GRAMS PER 100 GRMAS OF AROMATIZABLE FEED; WHICH IMPROVEMENT ENVISIONS CARRYING OUT THE AROMATIZATION REACTION IN TWO STAGES IN ORDER TO INCREASE THE PROPORTION OF ALKYL SUBSTITUTED BENZENES AT THE EXPENSE OF BENZENE ITSELF THEREBY INCREASING THE WEIGHT YIELD OF HIGH OCTANE PRODUCTS.
Inventors
- 👤 L Rollmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
C; C10; C10G; C10G59/00; C10G59/02; C10G35/00; C10G35/04; C10G35/06; C10G35/095
Claims Analysis
Total Claims: 0
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |