US3206519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyl aromatic hydrocarbons
Assignee: Sunoco Inc
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Filing: 1963-11-19
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Granted: 1965-09-14
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Gert G Eberhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
C; C07; C07F; C07F1/00; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/72; C07C2531/00; C07C2531/02; C07C2531/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
62 words
METHOD OF PRODUCING ALKYL AROMATIC HYDROCARBONS WHICH COMPRISES CONTACTING ETHYLENE WITH A BENZENOID HYDROCARBON AT A TEMPERATURE IN THE RANGE OF 50-180*C. IN THE PRESENCE OF A CATALYST SYSTEM WHICH IS A COMBINATION OF NON-AROMATIC TERTIARY AMNINE WITH LIR WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OR ALKYL, CYCLOALKYL, ALKENYL, PHENYL, ALKYLPHENYL AND PHENYLALKYL.
Claim 2
Dependent Claim
62 words
METHOD OF PRODUCING ALKYL AROMATIC HYDROCARBONS WHICH COMPRISES CONTACTING ETHYLENE WITH A BENZENOID HYDROCARBON AT A TEMPERATURE IN THE RANGE OF 50-180*C. IN THE PRESENCE OF A CATALYST SYSTEM WHICH IS A COMBINATION OF NON-AROMATIC TERTIARY AMNINE WITH LIR WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OR ALKYL, CYCLOALKYL, ALKENYL, PHENYL, ALKYLPHENYL AND PHENYLALKYL.
Claim 3
Dependent Claim
50 words
A CATALYST SYSTEM CONSISTING ESSENTIALLY OF A COMBINATION OF NON-AROMATIC TERTIARY AMINE, SELECTED FROM THE GROUP CONSISTING OF AMINES CONTAINING BRIDGEHEAD NITROGEN AND CHELATING DIAMINES, WITH LIR WHEREIN R IS A HYTDROCARBON RADICAL HAVING 1-30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKENYL, PHENYL, ALKYLPHENL AND PHENYLALKYL.
Claim 4
Dependent Claim
50 words
A CATALYST SYSTEM CONSISTING ESSENTIALLY OF A COMBINATION OF NON-AROMATIC TERTIARY AMINE, SELECTED FROM THE GROUP CONSISTING OF AMINES CONTAINING BRIDGEHEAD NITROGEN AND CHELATING DIAMINES, WITH LIR WHEREIN R IS A HYTDROCARBON RADICAL HAVING 1-30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKENYL, PHENYL, ALKYLPHENL AND PHENYLALKYL.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |