US3121124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary olefin separation via etherification
Assignee: Sinclair Research Inc
•
Filing: 1959-05-04
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Granted: 1964-02-11
•
Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Verdol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C7/00; C07C7/148; C07C7/14875; C07C7/14891; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 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 MONO OLEFIN OF THE MIXTURE WITH A PRIMARY ALCOHOL OF 1 TO 6 CARBON ATOMS TO OBTAIN THE CORRESPONDING PRIMARY TERTIARY ETHER, SEPARATING THE PREMARY TERTIARY ETHER FROM UNRECTED HYDROCARBONS, DECOMPOSING THE ETHER BY CONTACT WITH A STRONG ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF A SOLID PHOSPHORIC ACID CATALYST AND A SOLID POLYSTYRENE SULFONIC ACID RESIN CATALYST AT A TEMPERATURE OF ABOUT 100 TO 400*F. AND RECOVERING TERTIARY MONO OLEFIN PRODUCT AND PRMARY ALCOHOL OF 1 TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
116 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 MONO OLEFIN OF THE MIXTURE WITH A PRIMARY ALCOHOL OF 1 TO 6 CARBON ATOMS TO OBTAIN THE CORRESPONDING PRIMARY TERTIARY ETHER, SEPARATING THE PREMARY TERTIARY ETHER FROM UNRECTED HYDROCARBONS, DECOMPOSING THE ETHER BY CONTACT WITH A STRONG ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF A SOLID PHOSPHORIC ACID CATALYST AND A SOLID POLYSTYRENE SULFONIC ACID RESIN CATALYST AT A TEMPERATURE OF ABOUT 100 TO 400*F. AND RECOVERING TERTIARY MONO OLEFIN PRODUCT AND PRMARY ALCOHOL OF 1 TO 6 CARBON ATOMS.
References Cited (Backward Citations)
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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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |