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US3223742A Expired / Lapsed US ⏱️ 0.0 years remaining

Alkylation of alkyl aromatic hydrocarbons

Assignee: Sunoco Inc
•
Filing: 1965-01-26
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Granted: 1965-12-14
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Expires: 1985-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 Gert G Eberhardt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 04:53
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)

US2548803A Cited
US2769850A Cited
US2823240A Cited
US3006976A Cited

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

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