US2706208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation of hydrocarbons containing an alkylcyclopentane ring
Assignee: Universal Oil Products Co
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Filing: 1950-04-28
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Granted: 1955-04-12
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Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
- 👤 Vladimir N Ipatieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:59
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR PRODUCING AN AROMATIC HYDROCARBON WHICH COMPRISES DEHYDROGENATING A HYDROCARBON CONTAINING AN ALKYLCYCLOPENTYL GROUP IN THE PRESENCE OF A ALKYL NUM-CONTAINING DEHYDROGENATION CATALYST AND AN ALKYL HALIDE TO FORM A HYDROCARBON CONTAINING AN ARYL GROUP AND RECOVERING THE RESULTANT AROMATIC HYDROCARBON
Claim 2
Dependent Claim
43 words
A PROCESS FOR PRODUCING AN AROMATIC HYDROCARBON WHICH COMPRISES DEHYDROGENATING A HYDROCARBON CONTAINING AN ALKYLCYCLOPENTYL GROUP IN THE PRESENCE OF A ALKYL NUM-CONTAINING DEHYDROGENATION CATALYST AND AN ALKYL HALIDE TO FORM A HYDROCARBON CONTAINING AN ARYL GROUP AND RECOVERING THE RESULTANT AROMATIC HYDROCARBON
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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |