Patent US3318802A successfully refreshed from Google Patents.
US3318802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking process employing a crystalline alumino-silicate activated with a chlorine compound
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-01-21
•
Granted: 1967-05-09
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Homer Z Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:55
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/90; B01J29/04; B01J29/06; B01J29/064; B01J29/068; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IMPROVED PROCESS FOR HYDROCRACKING A HYDROCARBON FEED WHICH COMPRISES SUBJECTING SAID FEED TO HYDROCRACKING CONDITIONS IN THE JPRESENCE OF ADDED HYDROGEN, AN ADDED CHLORINE-CONTAINING COMPUND SELECTED FROM THE GROUP CONSISTING OF CHLORINE, HYDROGEN CHLORIDE, ALKY CHLORIDE, ARYL CHLORIDE, AND ORGANIC POLYCHLORIDES WHOSE CONCENTRATION IS MAINTAINED WITHIN THE RANGE OF ABOUT 1,000 TO 5,000 P.P.M. BASED ON THE FEED AND A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH A PLATINUM GROUP METAL, SAID ZEOLITE HAVING A SILICA/ALUMINA MOLE RATIO IN THE RANGE OF FROM ABOUT 3 TO ABOUT 6.5, UNIFORM PORE OPENINGS IN THE RANGE FROM ABOUT 6 TO ABOUT 15 A. AND WHICH ZEOLITE FURTHER HAS BEEN BASED EXCHANGED SO AS TO REDUCE ITS ALKALI METAL OXIDE CONTENT TO BELOW 10 WT. PERCENT.
Claim 2
Dependent Claim
126 words
AN IMPROVED PROCESS FOR HYDROCRACKING A HYDROCARBON FEED WHICH COMPRISES SUBJECTING SAID FEED TO HYDROCRACKING CONDITIONS IN THE JPRESENCE OF ADDED HYDROGEN, AN ADDED CHLORINE-CONTAINING COMPUND SELECTED FROM THE GROUP CONSISTING OF CHLORINE, HYDROGEN CHLORIDE, ALKY CHLORIDE, ARYL CHLORIDE, AND ORGANIC POLYCHLORIDES WHOSE CONCENTRATION IS MAINTAINED WITHIN THE RANGE OF ABOUT 1,000 TO 5,000 P.P.M. BASED ON THE FEED AND A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH A PLATINUM GROUP METAL, SAID ZEOLITE HAVING A SILICA/ALUMINA MOLE RATIO IN THE RANGE OF FROM ABOUT 3 TO ABOUT 6.5, UNIFORM PORE OPENINGS IN THE RANGE FROM ABOUT 6 TO ABOUT 15 A. AND WHICH ZEOLITE FURTHER HAS BEEN BASED EXCHANGED SO AS TO REDUCE ITS ALKALI METAL OXIDE CONTENT TO BELOW 10 WT. PERCENT.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |