US3170000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary olefin separation via etherification with small surface area catalysts
Assignee: Sinclair Research Inc
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Filing: 1962-10-24
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Granted: 1965-02-16
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Verdol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:28
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C7/00; C07C7/148; C07C7/14875; C07C7/14891; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/10; C07C2521/12; C07C2523/00; C07C2523/16; C07C2523/20; C07C2523/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PROCESS FOR THE SEPARATION OF TERTIARY MONOOLEFIN OF 4 TO 7 CARBON ATOMS IN ADMIXTURE WITH ANOTHER MONOOLEFIN HYDROCARBON IN APPROXIMATELY THE SAME BOILING RANGE, THE STEPS WHICH COMPRISE REACTING SELECTIVELY TERTIARY MONOOLEFIN OF THE MIXTURE WITH A PRIMARY ALCOHOL OF 1 TO 6 CARBON ATOMS TO OBTAIN THE CORRESPONDING TERTIARY ETHER, SEPARATING THE TERTIARY ETHER FROM UNREACTED HYDROCARBONS, DECOMPOSING THE TERTIARY ETHER TO SAID TERTIARY MONOOLEFIN AND PRIMARY ALCOHOL BY CONTACT WITH AN ACID-ACTING SOLID METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA, AND OXIDES OF METALS OF GROUPS IVA, VA AND VIA OF THE PERIODIC TABLE, AT A TEMPERATURE OF ABOUT 350*F. TO 1000*F. AND RECOVERING TERTIARY MOOLEFIN PRODUCT, SAID CATALYST HAVING A SURFACE AREA OF LESS THAN 25 SQUARE METERS PER GRAM.
Claim 2
Dependent Claim
130 words
IN A PROCESS FOR THE SEPARATION OF TERTIARY MONOOLEFIN OF 4 TO 7 CARBON ATOMS IN ADMIXTURE WITH ANOTHER MONOOLEFIN HYDROCARBON IN APPROXIMATELY THE SAME BOILING RANGE, THE STEPS WHICH COMPRISE REACTING SELECTIVELY TERTIARY MONOOLEFIN OF THE MIXTURE WITH A PRIMARY ALCOHOL OF 1 TO 6 CARBON ATOMS TO OBTAIN THE CORRESPONDING TERTIARY ETHER, SEPARATING THE TERTIARY ETHER FROM UNREACTED HYDROCARBONS, DECOMPOSING THE TERTIARY ETHER TO SAID TERTIARY MONOOLEFIN AND PRIMARY ALCOHOL BY CONTACT WITH AN ACID-ACTING SOLID METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA, AND OXIDES OF METALS OF GROUPS IVA, VA AND VIA OF THE PERIODIC TABLE, AT A TEMPERATURE OF ABOUT 350*F. TO 1000*F. AND RECOVERING TERTIARY MOOLEFIN PRODUCT, SAID CATALYST HAVING A SURFACE AREA OF LESS THAN 25 SQUARE METERS PER GRAM.
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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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |