US2861946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving gasoline quality
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-02-29
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Granted: 1958-11-25
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Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 Richard W Sage
- 👤 Clifton H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/40; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF STABILIZING A CRACKED GASOLINE, CONTAINING SUBSTANTIAL AMOUNTS OF MONO-OLEFINS AND DI-OLEFINS, WHICH COMPRISES CONTACTING, A PLATINUM GROUP METAL CATALYST CARRIED ON AN ADSORPTIVE SUPPORT WITH A GAS CONTAIN1200*F. AND A PRESSURE IN THE RANGE OF 0 TO 1500 P.S.I.G., WHEREBY THE SAID PLATINUM METAL GROUP CATALYST SELECTIVELY ABSORBS HYDROGEN, THERAFTER CONTACTING THE SAID GASOLINE CONTAINING OLEFINS WITH THE SAID CATALYST IN THE ABSENCE OF EXTRANEOUS HYDROGEN AT ELEVATED TEMPERATURES, WHEREBY THE MAJOR PORTION OF THE SAID DI-OLEFINS ARE HYDROGENATED BY THE HYDROGEN HELD BY THE CATALYST WITHOUT SUBSTANTIALLY HYDROGENATING THE MONO-OLEFINS AND THEREAFTER RECOVERING A GASOLINE OF IMPROVED STABILITY.
Claim 2
Independent Claim
102 words
THE METHOD OF STABILIZING A CRACKED GASOLINE, CONTAINING SUBSTANTIAL AMOUNTS OF MONO-OLEFINS AND DI-OLEFINS, WHICH COMPRISES CONTACTING, A PLATINUM GROUP METAL CATALYST CARRIED ON AN ADSORPTIVE SUPPORT WITH A GAS CONTAIN1200*F. AND A PRESSURE IN THE RANGE OF 0 TO 1500 P.S.I.G., WHEREBY THE SAID PLATINUM METAL GROUP CATALYST SELECTIVELY ABSORBS HYDROGEN, THERAFTER CONTACTING THE SAID GASOLINE CONTAINING OLEFINS WITH THE SAID CATALYST IN THE ABSENCE OF EXTRANEOUS HYDROGEN AT ELEVATED TEMPERATURES, WHEREBY THE MAJOR PORTION OF THE SAID DI-OLEFINS ARE HYDROGENATED BY THE HYDROGEN HELD BY THE CATALYST WITHOUT SUBSTANTIALLY HYDROGENATING THE MONO-OLEFINS AND THEREAFTER RECOVERING A GASOLINE OF IMPROVED STABILITY.
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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |