US3355376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking of polynuclear hydrocarbons
Assignee: Consolidation Coal Co
•
Filing: 1965-11-15
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Granted: 1967-11-28
•
Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Gorin Everett
- 👤 Robert T Struck
- 👤 Clyde W Zielke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:32
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN THE PROCESS FOR CONVERTING POLYNUCLEAR AROMATIC HYDROCARBONACEOUS FEEDSTOCK TO GASOLINE BY HYDROCRACKING WHEREIN THE FEEDSTOCK IS CONTACTED WITH MOLTEN ZINC CHLORIDE IN THE PRESENCE OF HYDROGEN AT ELEVATED TEMPERATURE AND PRESSURE TO EFFECT HYDROCRACKING OF THE FEEDSTOCK, THE IMPROVEMENT WHICH COMPRISES MAINTAINING A MIXTURE OF ZINC CHLORIDE AND ZINC OXIDE IN A HYDROCRACKING ZONE, SAID CHLORIDE AND OXIDE BEING IN A MOLE RATIO OF AT LEAST TEN PARTS CHLORIDE TO ONE PART OXIDE.
Claim 2
Dependent Claim
74 words
IN THE PROCESS FOR CONVERTING POLYNUCLEAR AROMATIC HYDROCARBONACEOUS FEEDSTOCK TO GASOLINE BY HYDROCRACKING WHEREIN THE FEEDSTOCK IS CONTACTED WITH MOLTEN ZINC CHLORIDE IN THE PRESENCE OF HYDROGEN AT ELEVATED TEMPERATURE AND PRESSURE TO EFFECT HYDROCRACKING OF THE FEEDSTOCK, THE IMPROVEMENT WHICH COMPRISES MAINTAINING A MIXTURE OF ZINC CHLORIDE AND ZINC OXIDE IN A HYDROCRACKING ZONE, SAID CHLORIDE AND OXIDE BEING IN A MOLE RATIO OF AT LEAST TEN PARTS CHLORIDE TO ONE PART OXIDE.
References Cited (Backward Citations)
GB193071A
Cited
US1950309A
Cited
US2057629A
Cited
US2205411A
Cited
US2768935A
Cited
US2749288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |