US2493981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1945-09-05
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Granted: 1950-01-10
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Expires: 1965-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Latchum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:52
CPC Classifications
C; C10; C10G; C10G5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A UNITARY PROCESS FOR THE EXTRACTION OF CONDENSIBLE HYDROCARBONS FROM A DISTILLATE WELL EFFLUENT AND CHARACTERIZED BY THE LONG OPERATING LIFE OF A SOLID DESICCANT MATERIAL USED IN A DESICCATION STEP COMPRISING THE STEPS OF EXTRACTING EASILY CONDENSIBLE HYDROCARBONS FROM SAID DISTILLATE WELL EFFLUENT, DESICCATING SAID EXTRACTED EFFLUENT BY PASSAGE THROUGH A BED OF SOLID DESICCANT MATERIAL, AND FINALLY COOLING AND EXTRACTING DIFFICULTY CONDENSIBLE HYDROCARBONS FROM THE DRIED EFFLUENT.
Claim 2
Dependent Claim
69 words
A UNITARY PROCESS FOR THE EXTRACTION OF CONDENSIBLE HYDROCARBONS FROM A DISTILLATE WELL EFFLUENT AND CHARACTERIZED BY THE LONG OPERATING LIFE OF A SOLID DESICCANT MATERIAL USED IN A DESICCATION STEP COMPRISING THE STEPS OF EXTRACTING EASILY CONDENSIBLE HYDROCARBONS FROM SAID DISTILLATE WELL EFFLUENT, DESICCATING SAID EXTRACTED EFFLUENT BY PASSAGE THROUGH A BED OF SOLID DESICCANT MATERIAL, AND FINALLY COOLING AND EXTRACTING DIFFICULTY CONDENSIBLE HYDROCARBONS FROM THE DRIED EFFLUENT.
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |