US2918509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and catalyst for the isomerization of hydrocarbons
Assignee: Pure Oil Co
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Filing: 1957-10-31
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Granted: 1959-12-22
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Expires: 1977-10-31
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Miller
- 👤 Hillis O Folkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/70; B01J23/89; B01J23/892; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2724; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
42 words
AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF A REFRACTORY MIXED OXIDES CATALYST COMPOSITED TO EVINCE ACIDIC PROPERTIES AND HYDROCARBONS CRACKING ACTIVITY AND CO-PROMOTED WITH 1-5% BY WEIGHT OF METALLIC NICKLE, AND 0.01-0.10% OF A GROUP VIII NOBLE METAL, BASED ON TOTAL CATALYST COMPOSITION.
Claim 2
Dependent Claim
42 words
AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF A REFRACTORY MIXED OXIDES CATALYST COMPOSITED TO EVINCE ACIDIC PROPERTIES AND HYDROCARBONS CRACKING ACTIVITY AND CO-PROMOTED WITH 1-5% BY WEIGHT OF METALLIC NICKLE, AND 0.01-0.10% OF A GROUP VIII NOBLE METAL, BASED ON TOTAL CATALYST COMPOSITION.
Claim 3
Dependent Claim
96 words
AN ISOMERIZATION PROCESS WHICH COMPRISE CONTACTING AN ISOMERIZABLE SATURATED HYDROCARBON HAVING 4-7 CARBON ATOMS MOLECULE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 6000 TO 8000*F., A PRESSURE WITHIN THE RANGE OF ABOUT 100 1000 P.S.I.A., LIQUID VOLUME HOURLY SPACED VELOCITY OF 1-4, AND A HYDROGEN/HYDROCARBON MOL RATIO WITHIN THE RANGE OF ABOUT 0.5 TO 5, IN THE ORESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A REFRACTORY, MIXED OXIDES CATALYST COMPOSITES TO ENVINCE ACIDIC PROPERTIES AND HYDROCARBONS CRACKING ACTIVITY AND CO-PROMOTED WITH 1-5% WT. OF METALLIC NICKLE AND 0.01-0.1% WT. OF A GROUP VIII NOBLE METAL.
Claim 4
Dependent Claim
96 words
AN ISOMERIZATION PROCESS WHICH COMPRISE CONTACTING AN ISOMERIZABLE SATURATED HYDROCARBON HAVING 4-7 CARBON ATOMS MOLECULE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 6000 TO 8000*F., A PRESSURE WITHIN THE RANGE OF ABOUT 100 1000 P.S.I.A., LIQUID VOLUME HOURLY SPACED VELOCITY OF 1-4, AND A HYDROGEN/HYDROCARBON MOL RATIO WITHIN THE RANGE OF ABOUT 0.5 TO 5, IN THE ORESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A REFRACTORY, MIXED OXIDES CATALYST COMPOSITES TO ENVINCE ACIDIC PROPERTIES AND HYDROCARBONS CRACKING ACTIVITY AND CO-PROMOTED WITH 1-5% WT. OF METALLIC NICKLE AND 0.01-0.1% WT. OF A GROUP VIII NOBLE METAL.
References Cited (Backward Citations)
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Cited
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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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |