Patent US3813330A successfully refreshed from Google Patents.
US3813330A
Expired / Lapsed
US
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Process for aromatizing olefins in the presence of easily cracked paraffins
Assignee: Mobil Oil AS
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Filing: 1973-03-05
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Granted: 1974-05-28
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Expires: 1993-03-05
Abstract
Abstract PROCESS FOR AROMATIZING A FEEDSTOCK, WHICH MAY BE LIQUID OR GASEOUS AND IS HYDROCARBON IN NATURE HAVING A BOILING RANGE OF ABOUT C2 TO 400*F. BY CONTACTING THE FEEDSTOCK WITH A ZSM-5 TYPE OF CATALYST UNDER AROMATIZATION CONDITIONS WHEREBY MAKING A MIXED GAS AND LIQUID PRODUCT, SEPARATING THE GAS AND LIQUID FRACTIONS OF THE PRODUCT, SUBJECTING THE GAS FRACTION OT DEHYDROGENATIVE CRACKING TO INCREASE THE PROPORTION OF OLEFINS AND LIGHT GASES THEREIN, SEPARATING AND RECYCLING THE OLEFIN RICH PORTION TO ADMIXTURE WITH THE ORIGINAL FEEDSTOCK, AND RECOVERING LIQUID GASOLINE OF VERY HIGH OCTANE.
Inventors
- 👤 E Givens
- 👤 C Plank
- 👤 E Rosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; C07C15/00; C07C9/00; C07C9/02; C07C9/04; C10; C10G; 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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |