US2548058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rich oil distillation
Assignee: Individual
•
Filing: 1947-07-28
•
Granted: 1951-04-10
•
Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Edward G Ragatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
THE METHOD OF SEPARATELY REMOVING UNDESIRABLE LOW BOILING HYDROCARBONS AND DESIRED HIGHER BOILING HYDROCARBONS FROM RICH ADSORPTION OIL, THAT INCLUDES PASSING SAID OIL DOWNWARDLY THROUGH A PLURALITY OF TRAYS IN A COOLER RECTIFYING ZONE, PASSING RICH OIL FROM THE BOTTOM OF SAID ZONE THROUGH A HEAT EXCHANGE ZONE AND THEN DOWNWARDLY THROUGH A WARMER RECTIFYING ZONE, HEATING THE RECTIFIED RICH OIL TAKEN FROM THE BOTTOMM OF SAID WARMER RECTIFYING ZONE AND VAPORIZING ABSORBED HYDROCARBONS FROM SAID RECTIFIED OIL, INTRODUCING A LOWER MOLECULAR WEIGHT PORTION OF SAID VAPORIZED HYDROCARBONS INTO SAID WARMER RECTIFYING ZONE FOR UPWARD FLOW THEREIN, PASSING VAPORS FROM SAID WARMER RECTIFYING ZONE UPWARDLY THROUGH THE TRAYS OF SAID COOLER RECTIFYING ZONE IN CONTACT WITH THE RICH OIL FLOWING DOWNWARDLY THERETHROUGH, PASSING VAPORS FROM SAID COOLER RECTIFYING ZONE UPWARDLY THROUGH AN ABSORPTION ZONE, INTRODUCING LEAN ABSORPTION OIL TO THE TOP OF SAID ABSORPTION ZONE AND PASSING THAT OIL DOWNWARDLY THROUGH SAID ABSORPTION AND RECTIFYING ZONES IN CONTACT WITH THE RISING VAPORS THEREIN, REMOVING LOW BOILING UNDESIRABLE HYDROCARBONS FROM THE TOP OF SAID ABSORPTION ZONE, AND PASSING HOT LEAN OIL RESULTING FROM HEATING OF SAID RECTIFIED RICH OIL THROUGH SAID HEAT EXCHANGE ZONE IN DIRECT HEAT EXCHANGE RELATION WITH THE RICH OIL PASSING THERETHROUGH.
Claim 2
Independent Claim
204 words
THE METHOD OF SEPARATELY REMOVING UNDESIRABLE LOW BOILING HYDROCARBONS AND DESIRED HIGHER BOILING HYDROCARBONS FROM RICH ADSORPTION OIL, THAT INCLUDES PASSING SAID OIL DOWNWARDLY THROUGH A PLURALITY OF TRAYS IN A COOLER RECTIFYING ZONE, PASSING RICH OIL FROM THE BOTTOM OF SAID ZONE THROUGH A HEAT EXCHANGE ZONE AND THEN DOWNWARDLY THROUGH A WARMER RECTIFYING ZONE, HEATING THE RECTIFIED RICH OIL TAKEN FROM THE BOTTOMM OF SAID WARMER RECTIFYING ZONE AND VAPORIZING ABSORBED HYDROCARBONS FROM SAID RECTIFIED OIL, INTRODUCING A LOWER MOLECULAR WEIGHT PORTION OF SAID VAPORIZED HYDROCARBONS INTO SAID WARMER RECTIFYING ZONE FOR UPWARD FLOW THEREIN, PASSING VAPORS FROM SAID WARMER RECTIFYING ZONE UPWARDLY THROUGH THE TRAYS OF SAID COOLER RECTIFYING ZONE IN CONTACT WITH THE RICH OIL FLOWING DOWNWARDLY THERETHROUGH, PASSING VAPORS FROM SAID COOLER RECTIFYING ZONE UPWARDLY THROUGH AN ABSORPTION ZONE, INTRODUCING LEAN ABSORPTION OIL TO THE TOP OF SAID ABSORPTION ZONE AND PASSING THAT OIL DOWNWARDLY THROUGH SAID ABSORPTION AND RECTIFYING ZONES IN CONTACT WITH THE RISING VAPORS THEREIN, REMOVING LOW BOILING UNDESIRABLE HYDROCARBONS FROM THE TOP OF SAID ABSORPTION ZONE, AND PASSING HOT LEAN OIL RESULTING FROM HEATING OF SAID RECTIFIED RICH OIL THROUGH SAID HEAT EXCHANGE ZONE IN DIRECT HEAT EXCHANGE RELATION WITH THE RICH OIL PASSING THERETHROUGH.
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |