US3094573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of methyl pentenes
Assignee: Sunoco Inc
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Filing: 1961-04-13
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Granted: 1963-06-18
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Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Lewis W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2523/00; C07C2523/02; C07C2523/04; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
METHOD OF PREPARING METHYL PENTENES WHICH COMPRISES CONTACTING PROPYLENE AT A TEMPERATURE IN THE RANGE OF 100 TO 250*C. WITH A CATALYST SYSTEM PREPARED BY ADMIXING AN ALKALI METAL, SELECTED FROM THE GROUP CONSISTING ING OF SODIIUM, POTASSIUM, RUBIDIUM AND CESIUM, DISTENDED ON AN INERT SUPPORT WITH AN ORGANO METALLIC COMPOUND HAVING THE FORMULA R2M WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS HAVING 1-10 CARBON ATOMS, PHENYL AND BENZYL, AND M IS A METAL SELECTED FROM THE GROUP CONSISTING OF MERCURY, ZINC AND CADMIUM, THE MOLAR RATIO OF ORGANO METALLIC COMPOUND TO ALKALI METAL BEING IN THE RANGE OF 5:1 TO 1:5.
Claim 2
Dependent Claim
106 words
METHOD OF PREPARING METHYL PENTENES WHICH COMPRISES CONTACTING PROPYLENE AT A TEMPERATURE IN THE RANGE OF 100 TO 250*C. WITH A CATALYST SYSTEM PREPARED BY ADMIXING AN ALKALI METAL, SELECTED FROM THE GROUP CONSISTING ING OF SODIIUM, POTASSIUM, RUBIDIUM AND CESIUM, DISTENDED ON AN INERT SUPPORT WITH AN ORGANO METALLIC COMPOUND HAVING THE FORMULA R2M WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS HAVING 1-10 CARBON ATOMS, PHENYL AND BENZYL, AND M IS A METAL SELECTED FROM THE GROUP CONSISTING OF MERCURY, ZINC AND CADMIUM, THE MOLAR RATIO OF ORGANO METALLIC COMPOUND TO ALKALI METAL BEING IN THE RANGE OF 5:1 TO 1:5.
References Cited (Backward Citations)
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US2450451A
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US2548803A
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |