US3231616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aromatic amines by ammonolysis
Assignee: ExxonMobil Oil Corp
•
Filing: 1963-02-26
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Granted: 1966-01-25
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Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 Daniel G Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/04; C07C209/06; C07C209/10; C07C209/30; C07C209/32; C07C209/36; C07C209/60; C07C209/68; C07C209/78; C07C211/00; C07C211/43; C07C211/44; C07C211/49; C07C211/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR PRODUCING AROMATIC AMINES BY AMMONOLYSIS OF SUBSTITUTED AROMATIC COMPOUNDS WHICH COMPRISES EFFECTING REACTION OF A SUBSTITUTED AROMATIC HYDROCARBON HAVING A RING MOIETY SELECTED FROM THE GROUP CONSISTING OF BENZENE, NAPHTHALENE, ANTHRACENE, AND LOWER ALKYL DERIVATIVES THEREOF, AND HAVING A SUBSTITUENT GROUP SELECTED FROM THE CLASS CONSISTING OF HALOGENO, HYDROXYL, SULFHYDRYL, AND SULFO, WITH AMMONIA AT A TEMPERATURE OF FROM ABOUT 300*C. TO ABOUT 600*C. IN THE PRESENCE OF A CATALYTIC COMPOSITION COMPRISING AN ALUMINO-SILICATE ZEOLITE HAVING A PORTION OF ITS IONIZABLE METAL CATION EXCHANGED WITH ANOTHER METAL AND HAVING A DEFINED PORE SIZE OF GREATER THAN ABOUT 6 A. WITHIN AN ORDERED INTERNAL STRUCTURE.
Claim 2
Dependent Claim
107 words
A PROCESS FOR PRODUCING AROMATIC AMINES BY AMMONOLYSIS OF SUBSTITUTED AROMATIC COMPOUNDS WHICH COMPRISES EFFECTING REACTION OF A SUBSTITUTED AROMATIC HYDROCARBON HAVING A RING MOIETY SELECTED FROM THE GROUP CONSISTING OF BENZENE, NAPHTHALENE, ANTHRACENE, AND LOWER ALKYL DERIVATIVES THEREOF, AND HAVING A SUBSTITUENT GROUP SELECTED FROM THE CLASS CONSISTING OF HALOGENO, HYDROXYL, SULFHYDRYL, AND SULFO, WITH AMMONIA AT A TEMPERATURE OF FROM ABOUT 300*C. TO ABOUT 600*C. IN THE PRESENCE OF A CATALYTIC COMPOSITION COMPRISING AN ALUMINO-SILICATE ZEOLITE HAVING A PORTION OF ITS IONIZABLE METAL CATION EXCHANGED WITH ANOTHER METAL AND HAVING A DEFINED PORE SIZE OF GREATER THAN ABOUT 6 A. WITHIN AN ORDERED INTERNAL STRUCTURE.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |