US3238269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation process
Assignee: BP PLC
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Filing: 1962-12-14
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Granted: 1966-03-01
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Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Holmes Peter Desmond
- 👤 Bourne Kenneth Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:06
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/36; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C5/08; C07C5/09; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A PROCESS FOR THE SELECTIVE HYDROGENATION OF DIENES AND ACETYLENES IN A FEEDSTOCK MIXTURE CONTAINING SAID DIENES AND ACETYLENES, LESS READILY HYDROGENATABLE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINS, AND AT LEAST ONE SULPHUR-CONTAINING HYDROCARBON OTHER THAN SULPHUR-CONTAINING HYDROCARBON OTHER THAN SULPHUR-CONTAINING HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYCLOALKANES HAVING AT LEAST 4 CARBON ATOMS IN THE RING AND DIALKYLMONOSULPHIDES, SAID PROCESS COMPRISING: ADDIANG TO SAID MIXTURE AT LEAST ONE SULPHUR-CONTAINING HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYCLOALKANES HAVING AT LEAST 4 CARBON ATOMS IN THE RING AND DIALKYL-MONOSULPHIDES; AND CONTINUOUSLY PASSING THE BLEND OF SAID MIXTURE AND SAID ADDED SULPHUR-CONTAINING HYDROCARBON WITH HYDROGEN OVER A SUPPORTED ELEMENTAL NICKEL CATALYST UNDER HYDROGENATING CONDITIONS AT A HYDROGENATING TEMPERATURE OF FROM 50 TO 250*C.
Claim 2
Dependent Claim
128 words
IN A PROCESS FOR THE SELECTIVE HYDROGENATION OF DIENES AND ACETYLENES IN A FEEDSTOCK MIXTURE CONTAINING SAID DIENES AND ACETYLENES, LESS READILY HYDROGENATABLE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF MONOOLEFINS, AND AT LEAST ONE SULPHUR-CONTAINING HYDROCARBON OTHER THAN SULPHUR-CONTAINING HYDROCARBON OTHER THAN SULPHUR-CONTAINING HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYCLOALKANES HAVING AT LEAST 4 CARBON ATOMS IN THE RING AND DIALKYLMONOSULPHIDES, SAID PROCESS COMPRISING: ADDIANG TO SAID MIXTURE AT LEAST ONE SULPHUR-CONTAINING HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF THIOPHENES, THIACYCLOALKANES HAVING AT LEAST 4 CARBON ATOMS IN THE RING AND DIALKYL-MONOSULPHIDES; AND CONTINUOUSLY PASSING THE BLEND OF SAID MIXTURE AND SAID ADDED SULPHUR-CONTAINING HYDROCARBON WITH HYDROGEN OVER A SUPPORTED ELEMENTAL NICKEL CATALYST UNDER HYDROGENATING CONDITIONS AT A HYDROGENATING TEMPERATURE OF FROM 50 TO 250*C.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |