US3209051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of hydrocarbons by reducing organic fluoride content of a stream in the operation
Assignee: Phillips Petroleum Co
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Filing: 1962-04-17
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Granted: 1965-09-28
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Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert D Bauer
- 👤 Joe Van Pool
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:04
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A METHOD OF ALKYLATING IN AN ALKYLATION REACTION ZONE AN ISOPARAFFIN WITH AN OLEFIN TO PRODUCE AN ALKYLATE, WHEREIN PROPANE IS FORMED, AND WHEREIN HYDROFLUORIC ACID IS USED AS A CATALYST, THE STEPS WHICH COMPRISE IN A FIRST ZONE FRACTIONATING THE ALKYLATE PRODUCED TO OBTAIN A FIRST ALKYLATE STREAM AND A SECOND STREAM COMPRISING PROPANE, ISOBUTANE, HYDROFLUORIC ACID AND ALKYL FLUORIDES, IN A SECOND ZONE FRACTIONATING SAID SECOND STREAM TO OBTAIN OVERHEAD COMPRISING PROPANE AND HYDROFLUORIC ACID VAPORS AND A BOTTOMS PRODUCT COMPRISING ISOBUTANE, IN SAID SECOND ZONE AT AN INTERMEDIATE LOCUS THEREOF CONCENTRATING
Claim 2
Dependent Claim
95 words
IN A METHOD OF ALKYLATING IN AN ALKYLATION REACTION ZONE AN ISOPARAFFIN WITH AN OLEFIN TO PRODUCE AN ALKYLATE, WHEREIN PROPANE IS FORMED, AND WHEREIN HYDROFLUORIC ACID IS USED AS A CATALYST, THE STEPS WHICH COMPRISE IN A FIRST ZONE FRACTIONATING THE ALKYLATE PRODUCED TO OBTAIN A FIRST ALKYLATE STREAM AND A SECOND STREAM COMPRISING PROPANE, ISOBUTANE, HYDROFLUORIC ACID AND ALKYL FLUORIDES, IN A SECOND ZONE FRACTIONATING SAID SECOND STREAM TO OBTAIN OVERHEAD COMPRISING PROPANE AND HYDROFLUORIC ACID VAPORS AND A BOTTOMS PRODUCT COMPRISING ISOBUTANE, IN SAID SECOND ZONE AT AN INTERMEDIATE LOCUS THEREOF CONCENTRATING
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |