Patent US3113931A successfully refreshed from Google Patents.
US3113931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activation of platinum type reforming catalysts
Assignee: Sunoco Inc
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Filing: 1960-03-15
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Granted: 1963-12-10
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Sterling E Voltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:54
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
METHOD OF ACTIVATING A GROUP VIII NOBLE METAL-ONALUMINA REFORMING CATALYST WHICH COMPRISES CONTACTING THE CATALYST WITH AN ORGANO-ALUMINUM COMPOUND HAVING THE EMPIRICAL FORMULA AIRNXM WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-10 CARBON ATOMS X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, FLUORINE AND BROMINE, N IS FROM 1 TO 3 AND M IS FROM 0 TO 2, THE SUM OF N AND M BEING 3, THE AMOUNT OF SAID ORGANO-SLUMINUM COMPOUND USED BEING IN THE RANGE OF 0.1-20% BY WEIGHT BASED ON THE CATALYST AND THEREAFTER DIRECTLY HEATING THE CATALYST HAVING SAID ORGANO-ALUMINUM COMPOUND ABSORBED THEREON SUBSTANTIALLY IN THE ABSENCE OF OXYGEN AND WATER TO A TEMPERATURE SUFFICIENT TO DECOMPOSE SAID COMPOUND.
Claim 2
Dependent Claim
114 words
METHOD OF ACTIVATING A GROUP VIII NOBLE METAL-ONALUMINA REFORMING CATALYST WHICH COMPRISES CONTACTING THE CATALYST WITH AN ORGANO-ALUMINUM COMPOUND HAVING THE EMPIRICAL FORMULA AIRNXM WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-10 CARBON ATOMS X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, FLUORINE AND BROMINE, N IS FROM 1 TO 3 AND M IS FROM 0 TO 2, THE SUM OF N AND M BEING 3, THE AMOUNT OF SAID ORGANO-SLUMINUM COMPOUND USED BEING IN THE RANGE OF 0.1-20% BY WEIGHT BASED ON THE CATALYST AND THEREAFTER DIRECTLY HEATING THE CATALYST HAVING SAID ORGANO-ALUMINUM COMPOUND ABSORBED THEREON SUBSTANTIALLY IN THE ABSENCE OF OXYGEN AND WATER TO A TEMPERATURE SUFFICIENT TO DECOMPOSE SAID COMPOUND.
References Cited (Backward Citations)
US2909512A
Cited
US3047514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |