US3268439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of waxy hydrocarbons
Assignee: BP PLC
•
Filing: 1963-01-15
•
Granted: 1966-08-23
•
Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Tupman Kenneth
- 👤 Goble Anthony George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:45
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/58; C10G45/60; C10G45/62; B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS FOR THE CONVERSION OF WAXY HYDROCARBONS COMPRISING CONTACTING A PETROLEUM FEEDSTOCK CONTAINING AT LEAST 50% BY WEIGHT OF WAXY HYDROCARBONS AT A TEMPERATURE OF FROM 650 TO 800*F. A PRESSURE OF FROM 500 TO 2500 P.S.I.G., A SPACE VELOCITY OF FROM 0.1 TO 5 V./V./HR. AND IN THE PRESENCE OF FROM 1000 TO 15000 S.C.F. OF HYDROGEN/B WITH A CATALYST CONSISTING ESSENTIALLY OF FROM 0.1 TO 5% WT. OF FLUORINE, SAID CATALYST HAVING BEEN FROM 6 TO 15% WT. OF FLUROINE, SAID CATALYST HAVING BEEN PREPARED BY CONTACTING THE SUPPORT AT A TEMPERATURE OF FROM 300 TO 500*C. UNDER NON-REDUCING CONDITIONS WITH THE VAPOR OF A FLUORINE COMPOUND OF GENERAL FORMULA
Claim 2
Dependent Claim
113 words
A PROCESS FOR THE CONVERSION OF WAXY HYDROCARBONS COMPRISING CONTACTING A PETROLEUM FEEDSTOCK CONTAINING AT LEAST 50% BY WEIGHT OF WAXY HYDROCARBONS AT A TEMPERATURE OF FROM 650 TO 800*F. A PRESSURE OF FROM 500 TO 2500 P.S.I.G., A SPACE VELOCITY OF FROM 0.1 TO 5 V./V./HR. AND IN THE PRESENCE OF FROM 1000 TO 15000 S.C.F. OF HYDROGEN/B WITH A CATALYST CONSISTING ESSENTIALLY OF FROM 0.1 TO 5% WT. OF FLUORINE, SAID CATALYST HAVING BEEN FROM 6 TO 15% WT. OF FLUROINE, SAID CATALYST HAVING BEEN PREPARED BY CONTACTING THE SUPPORT AT A TEMPERATURE OF FROM 300 TO 500*C. UNDER NON-REDUCING CONDITIONS WITH THE VAPOR OF A FLUORINE COMPOUND OF GENERAL FORMULA
References Cited (Backward Citations)
US2642384A
Cited
US2668790A
Cited
US2914461A
Cited
US3066176A
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US2944097A
Cited
US3142635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |