Patent US2707544A successfully refreshed from Google Patents.
Patent US2496660A successfully refreshed from Google Patents.
US2496660A
Expired / Lapsed
US
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Production of aromatic nitriles
Assignee: ExxonMobil Oil Corp
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Filing: 1947-08-15
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Granted: 1950-02-07
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Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
- 👤 William I Denton
- 👤 Richard B Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:30
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/881; B01J23/16; B01J23/24; B01J23/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR MANUFACTURING AROMATIC NITRILES, WHICH COMPRISES CONTACTING AN AROMATIC HYDROCARBON SELECTED FROM THE CLASS CONSISTING OF TOLUENE, THE XYLENES, THE TRIMETHYL BENZENES AND STYRENE, WITH AMMONIA, IN GASEOUS PHASE, AT A TEMPERATURE FALLING WITHIN THE RANGE VARYING BETWEEN 850*F. AND ABOUT 1250*F., AND IN THE PRESENCE OF A METAL SALT OF MOLYBDIC ACID SELECTED FROM THE GROUP CONSISTING OF URANYL MOLYBDATE AND IRON MOLYBDATE.
Claim 2
Dependent Claim
66 words
A PROCESS FOR MANUFACTURING AROMATIC NITRILES, WHICH COMPRISES CONTACTING AN AROMATIC HYDROCARBON SELECTED FROM THE CLASS CONSISTING OF TOLUENE, THE XYLENES, THE TRIMETHYL BENZENES AND STYRENE, WITH AMMONIA, IN GASEOUS PHASE, AT A TEMPERATURE FALLING WITHIN THE RANGE VARYING BETWEEN 850*F. AND ABOUT 1250*F., AND IN THE PRESENCE OF A METAL SALT OF MOLYBDIC ACID SELECTED FROM THE GROUP CONSISTING OF URANYL MOLYBDATE AND IRON MOLYBDATE.
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |