US3073777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the destructive hydrogenation of crude oils, tars and their residues
Assignee: BASF SE
•
Filing: 1960-02-17
•
Granted: 1963-01-15
•
Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Oettinger Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:54
CPC Classifications
C; C10; C10G; C10G47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A PROCESS FOR THE REFINING AND DESTRUCTIVE HYDROGENATION OF CRUDE OILS, TARS, AND THEIR RESIDUES AS INITIAL MATERIAL BY REACTION WITH HYDROGEN IN A FIRST CONTAINING LARGE-SURFACED MATERIALS AND BY FURTHER REACTION WITH HYDROGEN IN A SECOND STAGE IN THE PRESENCE OF A HYDROGENATION CATALYST AND AT A TEMPERATURE OF 350* C. TO 550*C., THE PRESSURE IN BOTH STAGES BEING IN RANGE OF ABOUT 5 TO 700 ATMOSPHERES, THE IMPROVEMENT WHICH COMPRISES: HEATING SAID INITIAL MATERIAL TO A TEMPERATURE BETWEEN ABOUT 250* C. AND 350* C.; THEN LEADING SAID INITIAL MATERIAL THROUGH SAID FIRST STAGE TOGETHER WITH ABOUT 0.1 TO 0.5 NORMAL CUBIC METERS OF HYDROGEN PER KILOGRAM OF INITIAL MATERIAL AND SUBSEQUENTLY THROUGH SAID SECOND STAGE TOGETHER WITH ABOUT 0.5 TO 1.5 NORMAL CUBIC METERS OF HYDROGEN PER KILOGRAM OF INITIAL MATERIAL.
Claim 2
Dependent Claim
134 words
IN A PROCESS FOR THE REFINING AND DESTRUCTIVE HYDROGENATION OF CRUDE OILS, TARS, AND THEIR RESIDUES AS INITIAL MATERIAL BY REACTION WITH HYDROGEN IN A FIRST CONTAINING LARGE-SURFACED MATERIALS AND BY FURTHER REACTION WITH HYDROGEN IN A SECOND STAGE IN THE PRESENCE OF A HYDROGENATION CATALYST AND AT A TEMPERATURE OF 350* C. TO 550*C., THE PRESSURE IN BOTH STAGES BEING IN RANGE OF ABOUT 5 TO 700 ATMOSPHERES, THE IMPROVEMENT WHICH COMPRISES: HEATING SAID INITIAL MATERIAL TO A TEMPERATURE BETWEEN ABOUT 250* C. AND 350* C.; THEN LEADING SAID INITIAL MATERIAL THROUGH SAID FIRST STAGE TOGETHER WITH ABOUT 0.1 TO 0.5 NORMAL CUBIC METERS OF HYDROGEN PER KILOGRAM OF INITIAL MATERIAL AND SUBSEQUENTLY THROUGH SAID SECOND STAGE TOGETHER WITH ABOUT 0.5 TO 1.5 NORMAL CUBIC METERS OF HYDROGEN PER KILOGRAM OF INITIAL MATERIAL.
References Cited (Backward Citations)
US2098400A
Cited
US2706705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |