Patent US2518307A successfully refreshed from Google Patents.
US2518307A
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Automatic control of catalyst promoter in a hydrocarbon conversion process
Assignee: Phillips Petroleum Co
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Filing: 1946-11-04
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Granted: 1950-08-08
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Expires: 1966-11-04
Abstract
No abstract record available.
Inventors
- 👤 John L Groebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/125; C07C2527/126; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE HYDROCARBON WITH AN OLEFIN IN THE PRESENCE OF AN ALKYLATION CATALYST WHICH IS PROMOTED BY THE PRESENCE OF A MINOR AMOUNT OF A HYDROGEN HALIDE IN THE REACTION MIXTURE, THE METHOD FOR CONTINUOUSLY CONTROLLING THE EXTENT OF ALKYLATION WHICH COMPRISES PASSING INFRARED LIGHT RAYS THROUGH THE ALKYLATION EFFLUENT UNDER CONDITIONS SUCH THAT AN ELECTRICAL IMPLUSE IS PRODUCED CORRESPONDING IN MAGNITUDE TO THE CONCENTRATION OF UNREACTED OLEFIN IN SAID EFFLUENT AND AUTOMATICALLY CONTROLLING THE AMOUNT OF HYDROGEN HALIDE PRESENT IN SAID REACTION MIXTURE IN RESPONSE TO THE MAGNITUDE OF SAID ELECTRICAL IMPULSE.
Claim 2
Dependent Claim
100 words
IN A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE HYDROCARBON WITH AN OLEFIN IN THE PRESENCE OF AN ALKYLATION CATALYST WHICH IS PROMOTED BY THE PRESENCE OF A MINOR AMOUNT OF A HYDROGEN HALIDE IN THE REACTION MIXTURE, THE METHOD FOR CONTINUOUSLY CONTROLLING THE EXTENT OF ALKYLATION WHICH COMPRISES PASSING INFRARED LIGHT RAYS THROUGH THE ALKYLATION EFFLUENT UNDER CONDITIONS SUCH THAT AN ELECTRICAL IMPLUSE IS PRODUCED CORRESPONDING IN MAGNITUDE TO THE CONCENTRATION OF UNREACTED OLEFIN IN SAID EFFLUENT AND AUTOMATICALLY CONTROLLING THE AMOUNT OF HYDROGEN HALIDE PRESENT IN SAID REACTION MIXTURE IN RESPONSE TO THE MAGNITUDE OF SAID ELECTRICAL IMPULSE.
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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |