US2732329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
nisoi
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:04
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR THE CATALYTIC REFROMING OF GASOLINE BOILING RANGE HYDROCARBONS TO IMPROVE THE OCTANE RATING THEREOF WHICH COMPRISES CONTACTING SAID HYDROCARBONS AT A TEMPERATURE BETWEEN ABOUT 850* AND 1000* F. WITH HYDROGEN AND A CATALYST, SAID CATALYST CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF (1) BETWEEN ABOUT 0.4% AND 20% BY WEIGHT OF NICKEL, (2) BETWEEN ABOUT 0.6% AND 30% BY WEIGHT OF COMBINED SULFATE RADICALS, AND (3) A MAJOR PROPORTION OF A PREDOMINANTLY ALUMINA CARRIER, AND CONTINUING SAID CONTACTING FOR A SUFFICIENT LENGTH OF TIME TO EFFECT A SUBSTANTIAL IMPROVEMENT IN OCTANE RATING OF SAID HYDROCARBONS.
Claim 2
Dependent Claim
98 words
A PROCESS FOR THE CATALYTIC REFROMING OF GASOLINE BOILING RANGE HYDROCARBONS TO IMPROVE THE OCTANE RATING THEREOF WHICH COMPRISES CONTACTING SAID HYDROCARBONS AT A TEMPERATURE BETWEEN ABOUT 850* AND 1000* F. WITH HYDROGEN AND A CATALYST, SAID CATALYST CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF (1) BETWEEN ABOUT 0.4% AND 20% BY WEIGHT OF NICKEL, (2) BETWEEN ABOUT 0.6% AND 30% BY WEIGHT OF COMBINED SULFATE RADICALS, AND (3) A MAJOR PROPORTION OF A PREDOMINANTLY ALUMINA CARRIER, AND CONTINUING SAID CONTACTING FOR A SUFFICIENT LENGTH OF TIME TO EFFECT A SUBSTANTIAL IMPROVEMENT IN OCTANE RATING OF SAID HYDROCARBONS.
References Cited (Backward Citations)
US2227672A
Cited
US2273297A
Cited
US2267735A
Cited
US2366725A
Cited
US2426118A
Cited
US2500146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |