Patent US3201493A successfully refreshed from Google Patents.
US3201493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of olefinic compounds
Assignee: Universal Oil Products Co
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Filing: 1963-09-25
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Granted: 1965-08-17
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Meisinger
- 👤 Herman S Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:54
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; C07C5/2206; C07C5/226; C07C2523/00; C07C2523/02; C07C2523/04; C07C2531/00; C07C2531/02; C07C2531/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
A PROCESS FOR THE SELECTIVE ISOMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS PER MOLECULE WHICH COMPRISES TREATING SAID HYDROCARBON AT A TEMPERATURE IN HE RANGE OF FROM ABOUT 0* TO ABOUT 25*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 200 ATMOSPHERES IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDROUS ALUMINA CONTAINING AN ALKALI METAL PROMOTER.
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE SELECTIVE ISOMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS PER MOLECULE WHICH COMPRISES TREATING SAID HYDROCARBON AT A TEMPERATURE IN HE RANGE OF FROM ABOUT 0* TO ABOUT 25*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 200 ATMOSPHERES IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDROUS ALUMINA CONTAINING AN ALKALI METAL PROMOTER.
Claim 3
Dependent Claim
105 words
A PROCESS FOR THE SELECTIVE ISOMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS PER MOLECULE WHICH COMPRISES TREATING SAID HYDROCARBON AT A TEMPERATURE IN THE RANGE OIF FROM ABOUT 0* TO ABOUT 25*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 200 ATMOSPHERES IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDROUS ALUMINA SUPPORT WHICH HAS BEEN PROMOTED WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALTS, ALKALI METAL HYDROXIDES, ALKALINE EARTH METAL SALTS AND ALKALINE EARTH METAL HYDROXIDES AND CALCINED.
Claim 4
Dependent Claim
105 words
A PROCESS FOR THE SELECTIVE ISOMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING FROM 4 TO ABOUT 20 CARBON ATOMS PER MOLECULE WHICH COMPRISES TREATING SAID HYDROCARBON AT A TEMPERATURE IN THE RANGE OIF FROM ABOUT 0* TO ABOUT 25*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 200 ATMOSPHERES IN THE PRESENCE OF A CATALYST COMPRISING AN ALKALI METAL AMIDE DISPOSED ON A HIGH SURFACE AREA SUBSTANTIALLY ANHYDROUS ALUMINA SUPPORT WHICH HAS BEEN PROMOTED WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALTS, ALKALI METAL HYDROXIDES, ALKALINE EARTH METAL SALTS AND ALKALINE EARTH METAL HYDROXIDES AND CALCINED.
References Cited (Backward Citations)
CA917358A
Cited
US3128318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |