US3248320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerisation of paraffin hydrocarbons
Assignee: BP PLC
•
Filing: 1961-11-22
•
Granted: 1966-04-26
•
Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 White Peter Thomas
- 👤 Knights David Lycett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:50
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2724; B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR THE ISOMERIZATION OF C4 AND HIGHER PARAFIN HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE COMPRISING CONTACTING THE PARAFFIN HYDROCARBONS IN THE PRESENCE OF HYDROGEN AND A CHLORINE-CONTAINING MATERIAL WHICH IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN CHLORIDE AND COMPOUNDS DECOMPOSABLE TO HYDROGEN CHLORIDE UNDER THE ISOMERISATION CONDITIONS, AT A TEMPERATURE BELOW 400*F. (204*C.) WITH A CATALYST PREPARED BY CONTACTING ALUMINA CONTAINING 0.01 TO 5% BY WT. OF A METAL HAVING HYDROGENATING ACTIVITY SELECTED FROM THE GROUPS VIA AND VIII OF THE PERIODIC TABLE WITH A COMPOUND OF GENERAL FORMULA
Claim 2
Dependent Claim
93 words
A PROCESS FOR THE ISOMERIZATION OF C4 AND HIGHER PARAFIN HYDROCARBONS BOILING IN THE GASOLINE BOILING RANGE COMPRISING CONTACTING THE PARAFFIN HYDROCARBONS IN THE PRESENCE OF HYDROGEN AND A CHLORINE-CONTAINING MATERIAL WHICH IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN CHLORIDE AND COMPOUNDS DECOMPOSABLE TO HYDROGEN CHLORIDE UNDER THE ISOMERISATION CONDITIONS, AT A TEMPERATURE BELOW 400*F. (204*C.) WITH A CATALYST PREPARED BY CONTACTING ALUMINA CONTAINING 0.01 TO 5% BY WT. OF A METAL HAVING HYDROGENATING ACTIVITY SELECTED FROM THE GROUPS VIA AND VIII OF THE PERIODIC TABLE WITH A COMPOUND OF GENERAL FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |