Patent US2871277A successfully refreshed from Google Patents.
US2871277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process
Assignee: Universal Oil Products Co
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Filing: 1956-03-09
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Granted: 1959-01-27
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Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:20
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2724; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN THE ISOMERIZATION OF AN ISOMERIZABLE PARAFFIN HYDROCARBON OF FROM 4 TO 6 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF HYDROGEN AND IN THE PRESENCE OF A CATALYST COMPRISING PLATINUM, ALUMINA, AND COMBINED HALOGEN, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID HYDROCARBON TO BE ISOMERIZED A SUBSTANTIAL AMOUNT OF A HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES TO EFFECT REFORMING THEREOF SIMULTANEOUSLY WITH THE ISOMERIZATION OF THE ISOMERIZABLE PARAFFIN HYDROCARBON, THE PARAFFINS OF SAID ADDED HYDROCARBON FRACTION HAVING A MINIMUM MOLECULAR WEIGHT OF 86 AND MAXIMUM MOLECULAR WEIGHT NOT GREATER THAN 28 MORE THAN THE MOLECULAR WEIGHT OF SAID PARAFFIN HYDROCARBON TO BE ISOMERIZED AND THE NAPHTHENES OF SAID ADDED HYDROCARBON FRACTION HAVING A MINIMUM MOLECULAR WEIGHT OF 84 AND A MAXIMUM MOLECULAR WEIGHT NOT GREATER THAN 266 MORE THAN THE MOLECULAR WEIGHT OF SAID PARAFFIN HYDROCARBON TO BE ISOMERIZED, THE AMOUNT OF SAID ADDED HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES BEING SUCH THAT DEHYDROGENATION OF THE NAPHTHENES THEREIN WILL MAINTAIN THE ISOMERIZATION PROCESS IN HYDROGEN BALANCE AND PRODUCE NOT MORE THAN 100 CUBIC FEET PER BARREL OF EXCESS HYDROGEN.
Claim 2
Dependent Claim
180 words
IN THE ISOMERIZATION OF AN ISOMERIZABLE PARAFFIN HYDROCARBON OF FROM 4 TO 6 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF HYDROGEN AND IN THE PRESENCE OF A CATALYST COMPRISING PLATINUM, ALUMINA, AND COMBINED HALOGEN, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID HYDROCARBON TO BE ISOMERIZED A SUBSTANTIAL AMOUNT OF A HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES TO EFFECT REFORMING THEREOF SIMULTANEOUSLY WITH THE ISOMERIZATION OF THE ISOMERIZABLE PARAFFIN HYDROCARBON, THE PARAFFINS OF SAID ADDED HYDROCARBON FRACTION HAVING A MINIMUM MOLECULAR WEIGHT OF 86 AND MAXIMUM MOLECULAR WEIGHT NOT GREATER THAN 28 MORE THAN THE MOLECULAR WEIGHT OF SAID PARAFFIN HYDROCARBON TO BE ISOMERIZED AND THE NAPHTHENES OF SAID ADDED HYDROCARBON FRACTION HAVING A MINIMUM MOLECULAR WEIGHT OF 84 AND A MAXIMUM MOLECULAR WEIGHT NOT GREATER THAN 266 MORE THAN THE MOLECULAR WEIGHT OF SAID PARAFFIN HYDROCARBON TO BE ISOMERIZED, THE AMOUNT OF SAID ADDED HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES BEING SUCH THAT DEHYDROGENATION OF THE NAPHTHENES THEREIN WILL MAINTAIN THE ISOMERIZATION PROCESS IN HYDROGEN BALANCE AND PRODUCE NOT MORE THAN 100 CUBIC FEET PER BARREL OF EXCESS HYDROGEN.
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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) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |