US2866748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum containing reforming catalyst
Assignee: Standard Oil Co
•
Filing: 1957-01-11
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Granted: 1958-12-30
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Feller Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:04
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A HYDROFORMING PROCESS WHICH COMPRISES CONTACTING A PETROLEUM NAPHTHA BOILING BETWEEN ABOUT 150 AND 400*F. WITH A PLATINUM-ALUMINA COMPOSITE, SAID COMPOSITE HAVING BETWEEN ABOUT 0.01 AND 1.0 PERCENT BY WEIGHT, BASED ON DRY AL2O3, OF PLATINUM, AT A TEMPERATURE OF BETWEEN ABOUT 800 AND 1050*F., A PRESSURE BETWEEN ABOUT 100 AND 1200 POUNDS PER SQUARE INCH, A HYDROGEN RATE IN THE RANGE OF ABOUT 1000 AND 10,000 STANDARD CUBIC FEET PER BARREL OF SAID PETROLEUM NAPHTHA, AND HOURLY WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.1 AND 10, AND COLLECTING A HYDROFORMATE THEREFROM, THE IMPROVEMENT WHICH COMPRISES MIXING WITH SAID PLATINUM-ALUMINA COMPOSITE BETWEEN ABOUT 10 TO 90 PERCENT BY WEIGHT, BASED ON DRY AL2O3, OF FREE ALUMINUM, WHEREBY A HIGHER RATIO OF BENZENE TO TOLUENE IN SAID HYDROFORMATE IS OBTAINED.
Claim 2
Dependent Claim
129 words
IN A HYDROFORMING PROCESS WHICH COMPRISES CONTACTING A PETROLEUM NAPHTHA BOILING BETWEEN ABOUT 150 AND 400*F. WITH A PLATINUM-ALUMINA COMPOSITE, SAID COMPOSITE HAVING BETWEEN ABOUT 0.01 AND 1.0 PERCENT BY WEIGHT, BASED ON DRY AL2O3, OF PLATINUM, AT A TEMPERATURE OF BETWEEN ABOUT 800 AND 1050*F., A PRESSURE BETWEEN ABOUT 100 AND 1200 POUNDS PER SQUARE INCH, A HYDROGEN RATE IN THE RANGE OF ABOUT 1000 AND 10,000 STANDARD CUBIC FEET PER BARREL OF SAID PETROLEUM NAPHTHA, AND HOURLY WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.1 AND 10, AND COLLECTING A HYDROFORMATE THEREFROM, THE IMPROVEMENT WHICH COMPRISES MIXING WITH SAID PLATINUM-ALUMINA COMPOSITE BETWEEN ABOUT 10 TO 90 PERCENT BY WEIGHT, BASED ON DRY AL2O3, OF FREE ALUMINUM, WHEREBY A HIGHER RATIO OF BENZENE TO TOLUENE IN SAID HYDROFORMATE IS OBTAINED.
References Cited (Backward Citations)
US2039259A
Cited
US2799626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |