Patent US1386207A successfully refreshed from Google Patents.
Patent US2615928A successfully refreshed from Google Patents.
US2615928A
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Elimination of condenser and accumulator in a hydrocarbon conversion process
Assignee: Phillips Petroleum Co
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Filing: 1948-09-23
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Granted: 1952-10-28
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Expires: 1968-09-23
Abstract
No abstract record available.
Inventors
- 👤 John V Jolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:16
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C9/16; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C7/00; C07C7/005; C07C7/04; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
IN A PROCESS FOR REACTING A LOW-BOILING PARAFFIN HYDROCARBON IN THE PRESENCE OF A CATALYST COMPRISING HYDROGEN FLUORIDE AND SUBSEQUENTLY DISTILLING IN A DISTILLATION ZONE A MIXTURE OF HYDROGEN FLUORIDE AND LOW-BOILING PARAFFIN HYDROCARBONS FROM A LIQUID HYDROCARBON MIXTURE CONTAINING DISSOLVED HYDROGEN FLUORIDE CHARGED TO SAID DISTILLATION ZONE FROM SAID REACTION, THE IMPROVEMENT WHICH COMPRISES SEPARATING DIRECTLY FROM SAID FRACTIONAL DISTILLATION ZONE A VAPOROUS LOW-BOILING FRACTION CONTAINING A LOW-BOILING PARAFFIN HYDROCARBON AND HYDROGEN FLUORIDE, PASSING SAID VAPOROUS FRACTION WITHOUT INTERMEDIATE CONDENSATION THEREOF DIRECTLY INTO A LIQUID HYDROCARBON-HYDROGEN FLUORIDE MIXTURE , AND PASSING A HYDROCARBON STREAM FROM SAID HYDROCARBON-HYDROGEN FLUORIDE MIXTURE TO SAID DISTILLATION ZONE AS SAID CHARGED MIXTURE.
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |