US2592625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alkyl quinolines and alkenyl quinolines
Assignee: Phillips Petroleum Co
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Filing: 1949-06-14
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Granted: 1952-04-15
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Expires: 1969-06-14
Abstract
No abstract record available.
Inventors
- 👤 Cary R Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:08
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF AN ALKENYLQUINOLINE WHICH COMPRISES PASSING A MIXTURE OF AN OLEFIN HYDROCARBON AND QUINOLINE COMPRISING QUINOLINE IN MOLECULAR EXCESS INTO CONTACT WITH A SOLID ALKYLATION CATALYST OF THE SILICA-ALUMINA TYPE AT A TEMPERATURE WITHIN THE RANGE OF APPROXIMATELY 400* TO APPROXIMATELY 700* F., RECOVERING UNREACTED QUINOLINE AND RECHARGING IT TOGETHER WITH ADDITIONAL AMOUNTS OF OLEFIN HYDROCARBON TO THE ALKYLATION CATALYST, SEPARATING ALKYLATED QUINOLINE FROM THE ALKYLATION REACTION PRODUCT AND SUBJECTING IT TO DEHYDROGENATION IN THE PRESENCE OF A SOLID DEHYDROGENATION CATALYST AT A TEMPERATURE WITHIN THE RANGE OF APPROXIMATELY 800* TO APPROXIMATELY 1200* F., SEPARATING UNDEHYDROGENATED ALKYLCUINOLINE FROM THE PRODUCT OF THE DEHYDROGENA-
Claim 2
Dependent Claim
109 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF AN ALKENYLQUINOLINE WHICH COMPRISES PASSING A MIXTURE OF AN OLEFIN HYDROCARBON AND QUINOLINE COMPRISING QUINOLINE IN MOLECULAR EXCESS INTO CONTACT WITH A SOLID ALKYLATION CATALYST OF THE SILICA-ALUMINA TYPE AT A TEMPERATURE WITHIN THE RANGE OF APPROXIMATELY 400* TO APPROXIMATELY 700* F., RECOVERING UNREACTED QUINOLINE AND RECHARGING IT TOGETHER WITH ADDITIONAL AMOUNTS OF OLEFIN HYDROCARBON TO THE ALKYLATION CATALYST, SEPARATING ALKYLATED QUINOLINE FROM THE ALKYLATION REACTION PRODUCT AND SUBJECTING IT TO DEHYDROGENATION IN THE PRESENCE OF A SOLID DEHYDROGENATION CATALYST AT A TEMPERATURE WITHIN THE RANGE OF APPROXIMATELY 800* TO APPROXIMATELY 1200* F., SEPARATING UNDEHYDROGENATED ALKYLCUINOLINE FROM THE PRODUCT OF THE DEHYDROGENA-
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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |