Patent US3069483A successfully refreshed from Google Patents.
US3069483A
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Isobutane stripper-depropanizer operation
Assignee: Phillips Petroleum Co
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Filing: 1960-03-11
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Granted: 1962-12-18
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Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert D Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:24
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C7/00; C07C7/04; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED PROCESS FOR THE SEPARATION OF THE HYDROCARBON EFFLUENT FROM AN ALKYLATION PROCESS WHICH COMPRISES PASSING A PORTION OF SAID EFFLUENT TO A FIRST SEPARATION ZONE WHEREIN LOWER BOILING MATERIALS ARE SEPARATED OVERHEAD AND REMOVED FROM THE PROCESS, THEREBY MINIMIZING THE BUILD-UP OF INERTS IN THE PROCESS, REMOVING FROM A LOWER PORTION OF SAID FIRST ZONE A LIQUID HYDROCARBON PORTION REDUCED IN LOWER BOILING MATERIALS, PASSING SAID LIQUID FRACTION AND THE REMAINDER OF SAID EFFLUENT TO A SECOND SEPARATING ZONE WHEREIN ISOPARAFFIN IS SEPARATED OVERHEAD, AND WITHDRAWING A SECOND LIQUID HYDROCARBON FRACTION FROM A LOWER PORTION OF SAID SECOND ZONE AS A PRODUCT OF THE PROCESS.
Claim 2
Dependent Claim
107 words
AN IMPROVED PROCESS FOR THE SEPARATION OF THE HYDROCARBON EFFLUENT FROM AN ALKYLATION PROCESS WHICH COMPRISES PASSING A PORTION OF SAID EFFLUENT TO A FIRST SEPARATION ZONE WHEREIN LOWER BOILING MATERIALS ARE SEPARATED OVERHEAD AND REMOVED FROM THE PROCESS, THEREBY MINIMIZING THE BUILD-UP OF INERTS IN THE PROCESS, REMOVING FROM A LOWER PORTION OF SAID FIRST ZONE A LIQUID HYDROCARBON PORTION REDUCED IN LOWER BOILING MATERIALS, PASSING SAID LIQUID FRACTION AND THE REMAINDER OF SAID EFFLUENT TO A SECOND SEPARATING ZONE WHEREIN ISOPARAFFIN IS SEPARATED OVERHEAD, AND WITHDRAWING A SECOND LIQUID HYDROCARBON FRACTION FROM A LOWER PORTION OF SAID SECOND ZONE AS A PRODUCT OF THE PROCESS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |