Patent US2557113A successfully refreshed from Google Patents.
US2557113A
Expired / Lapsed
US
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Catalytic reaction of isoparaffin hydrocarbons
Assignee: Sunoco Inc
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Filing: 1948-07-10
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Granted: 1951-06-19
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Expires: 1968-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Kennedy
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:32
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/08; C07C6/10; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1213; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
METHOD OF CONDUCTING INSTANTANEOUS HYDROCARBON REACTIONS IN HOMOGENEOUS PHASE WHICH COMPRISES REACTING A TERTIARY CARBON-CONTAINING ISOPARAFFIN TO FORM OTHER TERTIARY CARBON-CONTAINING ISOPARAFFINS IN THE PRESENCE OF A CATALYST COMPRISING AN ADMIXTURE OF BF3 AND AN ALKYL FLUORIDE HAVING AT LEAST TWO CARBON ATOMS PER MOLECULE AT A TEMPERATURE SUFFICIENT TO EFFECT SAID INSTANTANEOUS HOMOGENEOUS PHASE REACTIONS, SAID TEMPERATURE BEING IN THE RANGE OF FROM -120* C. TO 150* C.
Claim 2
Dependent Claim
69 words
METHOD OF CONDUCTING INSTANTANEOUS HYDROCARBON REACTIONS IN HOMOGENEOUS PHASE WHICH COMPRISES REACTING A TERTIARY CARBON-CONTAINING ISOPARAFFIN TO FORM OTHER TERTIARY CARBON-CONTAINING ISOPARAFFINS IN THE PRESENCE OF A CATALYST COMPRISING AN ADMIXTURE OF BF3 AND AN ALKYL FLUORIDE HAVING AT LEAST TWO CARBON ATOMS PER MOLECULE AT A TEMPERATURE SUFFICIENT TO EFFECT SAID INSTANTANEOUS HOMOGENEOUS PHASE REACTIONS, SAID TEMPERATURE BEING IN THE RANGE OF FROM -120* C. TO 150* C.
References Cited (Backward Citations)
US2304290A
Cited
US2413384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |