US2513558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbon type dry
Assignee: —
•
Filing: —
•
Granted: 1950-07-04
•
Expires: 1967-07-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04; C09; C09D; C09D109/00; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR MODIFYING THE PROPERTIES OF A HYDROCARBON DRYING OIL RECOVERED FROM A CONJUNCT POLYMERIZATION SLUDGE AND CONTAINING HYDROCARBONS BOILING BELOW 250*C. WHICH COMPRISES CONTACTING SAID DRYING OIL WITH A BORON TRIFLOURIDE COMPLEX CATALYST SELECTED FROM THE GROUP CONSISTING OF A BORON TRIFLUORIDE HYDRATE AND A COMPLEX ADDITION COMPOUND OF BORON TRIFLUORIDE WITH AN OXYGEN-CONTAINING ORGANIC COMPOUND, SAID PROCESS BEING EFFECTED AT REACTION CONDITIONS SUFFICIENT TO MAINTAIN THE REACTANTS IN SUBSTANTIALLY LIQUID PHASE AND THEREAFTER SEPARATING THE RESULTING MODIFIED HYDROCARBON DRYING OIL FROM THE SLUDGE FORMED BY THE REACTION OF SAID BORON TRIFLUORIDE ADDITION COMPLEX AND THE ORIGINALLY CHARGED HYDROCARBON DRYING OIL.
Claim 2
Dependent Claim
103 words
A PROCESS FOR MODIFYING THE PROPERTIES OF A HYDROCARBON DRYING OIL RECOVERED FROM A CONJUNCT POLYMERIZATION SLUDGE AND CONTAINING HYDROCARBONS BOILING BELOW 250*C. WHICH COMPRISES CONTACTING SAID DRYING OIL WITH A BORON TRIFLOURIDE COMPLEX CATALYST SELECTED FROM THE GROUP CONSISTING OF A BORON TRIFLUORIDE HYDRATE AND A COMPLEX ADDITION COMPOUND OF BORON TRIFLUORIDE WITH AN OXYGEN-CONTAINING ORGANIC COMPOUND, SAID PROCESS BEING EFFECTED AT REACTION CONDITIONS SUFFICIENT TO MAINTAIN THE REACTANTS IN SUBSTANTIALLY LIQUID PHASE AND THEREAFTER SEPARATING THE RESULTING MODIFIED HYDROCARBON DRYING OIL FROM THE SLUDGE FORMED BY THE REACTION OF SAID BORON TRIFLUORIDE ADDITION COMPLEX AND THE ORIGINALLY CHARGED HYDROCARBON DRYING OIL.
References Cited (Backward Citations)
US2440477A
Cited
US1811130A
Cited
US2220307A
Cited
US2354554A
Cited
US2325891A
Cited
US2379656A
Cited
US2413310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |