US3223742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of alkyl aromatic hydrocarbons
Assignee: Sunoco Inc
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Filing: 1965-01-26
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Granted: 1965-12-14
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Gert G Eberhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:05
CPC Classifications
C; C07; C07F; C07F1/00; C07C; C07C2/00; C07C2/54; C07C2/72; C07C2523/00; C07C2523/02; C07C2523/04; C07C2531/00; C07C2531/02; C07C2531/12; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
METHOD WHICH COMPRISES CONTACTING AN ALPHA OLEFIN HYDROCARBON WITH A BENZENOID HYDROCARBON CONTAINING AT LEAST ONE SATURATED HYDROCARBON SUBSTITUENT GROUP HAVING BENZYLIC HYDROGEN AT A TEMPERATURE IN THE RANGE OF ABOUT 80-160*C. IN THE PRESENCE OF A CATALYST SYSTEM PREPARED BY REACTING IN A HYDROCARBON MEDIUM A MEMBER OF THE GROUP CONSISTING OF K,KH AND KR'' WITH LIR WHEREIN R AND R'' ARE HYDROCARBON RADICALS HAVING 1-10 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL AND RECOVERING FROM THE REACTION MIXTURE AN ALKYLATION PRODUCT INCLUDING A CYCLIZATION PRODUCT RESULTING FROM ALKYLATION BY SAID OLEFIN AT A BENZYLIC POSITION OF THE BENZENOID HYDROCARBON FOLLOWED BY RING CLOSURE OF THE RESULTING SUBSTITUENT WITH THE BENZENOID NUCLEUS.
Claim 2
Dependent Claim
119 words
METHOD WHICH COMPRISES CONTACTING AN ALPHA OLEFIN HYDROCARBON WITH A BENZENOID HYDROCARBON CONTAINING AT LEAST ONE SATURATED HYDROCARBON SUBSTITUENT GROUP HAVING BENZYLIC HYDROGEN AT A TEMPERATURE IN THE RANGE OF ABOUT 80-160*C. IN THE PRESENCE OF A CATALYST SYSTEM PREPARED BY REACTING IN A HYDROCARBON MEDIUM A MEMBER OF THE GROUP CONSISTING OF K,KH AND KR'' WITH LIR WHEREIN R AND R'' ARE HYDROCARBON RADICALS HAVING 1-10 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARYL AND ARALKYL AND RECOVERING FROM THE REACTION MIXTURE AN ALKYLATION PRODUCT INCLUDING A CYCLIZATION PRODUCT RESULTING FROM ALKYLATION BY SAID OLEFIN AT A BENZYLIC POSITION OF THE BENZENOID HYDROCARBON FOLLOWED BY RING CLOSURE OF THE RESULTING SUBSTITUENT WITH THE BENZENOID NUCLEUS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |