US3251847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of heterocyclic compounds
Assignee: ExxonMobil Oil Corp
•
Filing: 1963-05-21
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Granted: 1966-05-17
•
Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Phillip S Landis
- 👤 Paul B Venuto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:25
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/323; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/082; B01J29/084; C07C; C07C209/00; C07C209/68; C07C37/00; C07C37/11; C07C37/14; C07C37/16; C07C37/18; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D307/00; C07D307/02; C07D307/34; C07D307/36; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PROCESS FOR ALKYLATING HETEROCYCLIC COMPOUNDS WHICH COMPRISES EFFECTING REACTION OF A HETEROCYCLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONO- AND POLY-CYCLIC COMPOUNDS HAVING FROM THREE TO EIGHT CYCLIC MEMBERS, ONE OF SAID MEMBERS BEING SELECTED FROM THE GROUP CONSISTING OF NITROGEN, OXYGEN, AND SULPHUR WITH AN ALKYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF OLEFINS CONTAINING FORM 3 TO ABOUT 12 CARBON ATOMS, ALKYL HALIDES AND ALIPHATIC ALCOHOLS CONTAINING FROM 1 TO ABOUT 10 CARBON ATOMS IN THE ALKYL GROUP, AND CYCLIC UNSATURATED HYDROCARBONS AND ARYL ALKYL ESTERS CONTAINING FROM 6 TO ABOUT 12 CARBON ATOMS UNDER CONVERSION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE HAVING EXCHANGEABLE CATIONS WHICH PROVIDE ACID SITES WITHIN AN ORDERED INTERNAL STRUCTURE, SAID ORDERED INTERNAL STRUCTURE HAVING A DEFINED PORE SIZE OF AT LEAST 6 A.
Claim 2
Dependent Claim
137 words
A PROCESS FOR ALKYLATING HETEROCYCLIC COMPOUNDS WHICH COMPRISES EFFECTING REACTION OF A HETEROCYCLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONO- AND POLY-CYCLIC COMPOUNDS HAVING FROM THREE TO EIGHT CYCLIC MEMBERS, ONE OF SAID MEMBERS BEING SELECTED FROM THE GROUP CONSISTING OF NITROGEN, OXYGEN, AND SULPHUR WITH AN ALKYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF OLEFINS CONTAINING FORM 3 TO ABOUT 12 CARBON ATOMS, ALKYL HALIDES AND ALIPHATIC ALCOHOLS CONTAINING FROM 1 TO ABOUT 10 CARBON ATOMS IN THE ALKYL GROUP, AND CYCLIC UNSATURATED HYDROCARBONS AND ARYL ALKYL ESTERS CONTAINING FROM 6 TO ABOUT 12 CARBON ATOMS UNDER CONVERSION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE HAVING EXCHANGEABLE CATIONS WHICH PROVIDE ACID SITES WITHIN AN ORDERED INTERNAL STRUCTURE, SAID ORDERED INTERNAL STRUCTURE HAVING A DEFINED PORE SIZE OF AT LEAST 6 A.
References Cited (Backward Citations)
US3121754A
Cited
US2910515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |