US3272865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aminated benzenes from hydroxy benzenes
Assignee: Halcon Research and Development Corp
•
Filing: 1962-08-10
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Granted: 1966-09-13
•
Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Robert S Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:49
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/04; C07C209/14; C07C209/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR THE PREPARATION OF AN AMINATED BENZENE WHICH COMPRISES: CONTACTING AN AMINATING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA, AMMONIUM CHLORIDE, AMMONIUM CARBONATE, METHYLAMINE, ANILINE, N-METHYL ANILINE, AND AN HYDROXYBENZENE SELECTED FROM THE GROUP CONSISTING OF PHENOL AND DERIVATIVES THEREOF HAVING FROM 1 TO 3 RING HYDROGENS REPLACED BY A RADICAL SELECTED FROM THE GGROUP CONSISTING OF AROMATIC AND ALIPHATIC HYDROCARBON RADICALS HAVING FROM 1 TO 6 CARBON ATOMS IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF SILICA-ALUMINA HAVING FROM 10 TO 20% SILICA, SILICA-ALUMINA HAVING FROM 10 TO 20% ALUMINA ZIRCONIA-ALUMINA, TITANIA-ALUMINA, PHOSPHORIC ACID AND TUNGSTEN OXIDE, AT A TEMPERATURE BETWEEN 300 AND 600*C.,AND PRESSURES IN EXCESS OF 7 ATMOSPHERES; AND WITHDRAWING A STREAM CONTAINING AN AMINATED BENZENE.
Claim 2
Dependent Claim
126 words
A PROCESS FOR THE PREPARATION OF AN AMINATED BENZENE WHICH COMPRISES: CONTACTING AN AMINATING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA, AMMONIUM CHLORIDE, AMMONIUM CARBONATE, METHYLAMINE, ANILINE, N-METHYL ANILINE, AND AN HYDROXYBENZENE SELECTED FROM THE GROUP CONSISTING OF PHENOL AND DERIVATIVES THEREOF HAVING FROM 1 TO 3 RING HYDROGENS REPLACED BY A RADICAL SELECTED FROM THE GGROUP CONSISTING OF AROMATIC AND ALIPHATIC HYDROCARBON RADICALS HAVING FROM 1 TO 6 CARBON ATOMS IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF SILICA-ALUMINA HAVING FROM 10 TO 20% SILICA, SILICA-ALUMINA HAVING FROM 10 TO 20% ALUMINA ZIRCONIA-ALUMINA, TITANIA-ALUMINA, PHOSPHORIC ACID AND TUNGSTEN OXIDE, AT A TEMPERATURE BETWEEN 300 AND 600*C.,AND PRESSURES IN EXCESS OF 7 ATMOSPHERES; AND WITHDRAWING A STREAM CONTAINING AN AMINATED BENZENE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |