US2626286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aromatics and saturated aliphatics
Assignee: Standard Oil Development Co
•
Filing: 1949-12-28
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Granted: 1953-01-20
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Expires: 1969-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Alexis Voorhies
- 👤 Clark E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:10
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/50; C07C5/52; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A METHOD FOR SIMULTANEOUSLY EFFECTING THE CATALYST DEHYDROGENATION OF NAPHTHENES TO AROMATICS AND THE CATALYTIC HYDROGENATION OF OLEFINS TO PARAFFINS WHICH COMPRISES REACTING IN THE VAPOR PHASE A GASEOUS MIXTURE OF NAPHTHENES AND OLEFINS IN THE PRESENCE OF AN ACTIVATED CARBON CATALYST AT TEMPERATURES OF 900*-1000* F., WHEREBY HYDROGEN IS TRANSFERRED DIRECTLY FROM THE NAPTHENE TO THE OLEFIN TO PRODUCE AN AROMATIC HYDROCARBON AND A PARAFFIN THEREFROM WITH A MINIMUM AMOUNT OF DEGRADATION OF REACTANTS TO GASEOUS AND CARBONACEOUS BY-PRODUCTS.
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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |