US2943127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon isomerization process and catalyst treatment
Assignee: Pure Oil Co
•
Filing: 1957-11-05
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Granted: 1960-06-28
•
Expires: 1977-11-05
Abstract
No abstract record available.
Inventors
- 👤 Norman L Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:19
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/2213; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/28; C07C2523/30; C07C2523/70; C07C2523/74; C07C2523/76; C07C2523/84; C07C2523/85; C07C2523/88; C07C2523/883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A PROCESS FOR IMPROVING THE SELECTIVELY, YIELD AND STABILITY OF A HYDROISOMERIZATION CATALYST COMPOSITE CONSISTING ESSENTIALLY OF A MAJOR PORTION OF A REFRACTORY, ACIDIC OXIDE CATALYST SUPPORT, CONTAINING 50-95% WT. SILICA, COMPOSITED TO EVINCE ACIDIC PROPERTIES AND HYDROCARBON CRACKING ACTIVITY, AND A MINOR AMOUNT OF AT LEAST ONE PROMOTER SELECTED FROM THE GROUP CONSISTING OF GROUP VIII METALS OF THE IRON SERIES, SALTS OF GROUP VIII METALS OF THE IRON SERIES AND OXYACIDS OF MOLYBDENUM AND TUNGSTEN, AND OXIDES OF TUNGSTEN AND MOLYBDENUM, THE ULTIMATE STEP WHICH COMPRISES CONTACTING SAID CATALYST COMPOSITE WITH A HUMIDIFIED, HYDROGEN-RICH GAS, HAVING A PARTIAL PRESSURE OF WATER AND A TEMPERATURE WITHIN THE SHADED AREA OF FIG. 1, FOR A TIME SUFFICIENT TO PERMIT THE
Claim 2
Dependent Claim
121 words
IN A PROCESS FOR IMPROVING THE SELECTIVELY, YIELD AND STABILITY OF A HYDROISOMERIZATION CATALYST COMPOSITE CONSISTING ESSENTIALLY OF A MAJOR PORTION OF A REFRACTORY, ACIDIC OXIDE CATALYST SUPPORT, CONTAINING 50-95% WT. SILICA, COMPOSITED TO EVINCE ACIDIC PROPERTIES AND HYDROCARBON CRACKING ACTIVITY, AND A MINOR AMOUNT OF AT LEAST ONE PROMOTER SELECTED FROM THE GROUP CONSISTING OF GROUP VIII METALS OF THE IRON SERIES, SALTS OF GROUP VIII METALS OF THE IRON SERIES AND OXYACIDS OF MOLYBDENUM AND TUNGSTEN, AND OXIDES OF TUNGSTEN AND MOLYBDENUM, THE ULTIMATE STEP WHICH COMPRISES CONTACTING SAID CATALYST COMPOSITE WITH A HUMIDIFIED, HYDROGEN-RICH GAS, HAVING A PARTIAL PRESSURE OF WATER AND A TEMPERATURE WITHIN THE SHADED AREA OF FIG. 1, FOR A TIME SUFFICIENT TO PERMIT THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |