US3322667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon stripping process
Assignee: Phillips Petroleum Co
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Filing: 1964-05-11
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Granted: 1967-05-30
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Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Shelby D Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:36
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS WHICH COMPRISES CONTACTING A MIXTURE COMPRISING A HYDROCARBON AND A COMPONENT SELECTED FROM PHENOL AND FURFURAL WITH STEAM IN A STRIPPING ZONE, AND CONTACTING THE RESULATANT STEAM-STRIPPED HYDROCARBON WITH A VAPOROUS DRYING AGENT SELECTED FROM BUTANE, PROPANE,
Claim 2
Dependent Claim
39 words
A PROCESS WHICH COMPRISES CONTACTING A MIXTURE COMPRISING A HYDROCARBON AND A COMPONENT SELECTED FROM PHENOL AND FURFURAL WITH STEAM IN A STRIPPING ZONE, AND CONTACTING THE RESULATANT STEAM-STRIPPED HYDROCARBON WITH A VAPOROUS DRYING AGENT SELECTED FROM BUTANE, PROPANE,
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |