Patent US954510A successfully refreshed from Google Patents.
Patent US3034878A successfully refreshed from Google Patents.
US3034878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High octane motor fuels
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-12-26
•
Granted: 1962-05-15
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Patrick P Mccall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A HIGH OCTANE PREMIUM GASOLINE HAVING AN OCTANE NUMBER IN EXCESS OF 100 AND CONTAINING AS THE HYDROCARBON CONSTITUENTS THEREOF FROM ABOUT 50 TO 87.5% OF VOLUME OF (A) BLEND A CONTAINING 83% BY VOLUME OF AN ALKYLATE BOILING BETWEEN ABOUT 100*F. AND ABOUT 360*F. PRODUCED BY ALKYLATION OF LOW MOLECULAR WEIGHT ISOPARAFFIN WITH A C3 TO C5 OLEFIN AND ABOUT 17% BY VOLUME OF A CATALYTIC REFORMATE BOILING BETWEEN ABOUT 100* F. AND ABOUT 400* F. PRODUCED BY CONTACTING A NAPHTHA WITH A REFORMING CATALYST IN THE PRESENCE OF HYDROGEN UNDER REFORMING CONDITIONS; AND FROM 12.5 TO ABOUT 50.0% OF VOLUME OF (B) BLEND C CONTAINING ABOUT 34% BY VOLUME OF SAID ALKYLATE AND ABOUT 66% BY VOLUME OF CATALYTIC C5 HYDROCARBONS DERIVED FROM THE PRODUCT STREAM OF A CATALYTIC CRACKING UNIT, SAID HIGH OCTANE GASOLINE YIELDING A CRC RESEARCH OCTANE NUMBER HIGHER THAN THAT OF ANY INDIVIDUAL BLEND.
Claim 2
Dependent Claim
150 words
A HIGH OCTANE PREMIUM GASOLINE HAVING AN OCTANE NUMBER IN EXCESS OF 100 AND CONTAINING AS THE HYDROCARBON CONSTITUENTS THEREOF FROM ABOUT 50 TO 87.5% OF VOLUME OF (A) BLEND A CONTAINING 83% BY VOLUME OF AN ALKYLATE BOILING BETWEEN ABOUT 100*F. AND ABOUT 360*F. PRODUCED BY ALKYLATION OF LOW MOLECULAR WEIGHT ISOPARAFFIN WITH A C3 TO C5 OLEFIN AND ABOUT 17% BY VOLUME OF A CATALYTIC REFORMATE BOILING BETWEEN ABOUT 100* F. AND ABOUT 400* F. PRODUCED BY CONTACTING A NAPHTHA WITH A REFORMING CATALYST IN THE PRESENCE OF HYDROGEN UNDER REFORMING CONDITIONS; AND FROM 12.5 TO ABOUT 50.0% OF VOLUME OF (B) BLEND C CONTAINING ABOUT 34% BY VOLUME OF SAID ALKYLATE AND ABOUT 66% BY VOLUME OF CATALYTIC C5 HYDROCARBONS DERIVED FROM THE PRODUCT STREAM OF A CATALYTIC CRACKING UNIT, SAID HIGH OCTANE GASOLINE YIELDING A CRC RESEARCH OCTANE NUMBER HIGHER THAN THAT OF ANY INDIVIDUAL BLEND.
References Cited (Backward Citations)
US2376077A
Cited
GB578552A
Cited
US2394716A
Cited
US2678263A
Cited
US2761770A
Cited
US2852356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |