US2636902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of amines
Assignee: Imperial Chemical Industries Ltd
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Filing: 1949-12-08
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Granted: 1953-04-28
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Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Taylor Arthur William Charles
- 👤 Reynolds Peter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:00
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/01; C07C211/02; C07C211/03; C07C209/00; C07C209/04; C07C209/14; C07C209/16; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE PRODUCTION OF AMINES WHICH COMPRISES REACTING AN ALIPHATIC MONOALCOHOL HAVING FROM 2 TO 13 CARBON ATOMS IN THE MOLECULE WITH AMMONIA AND HYDROGEN AT A TEMPERATURE WITHIN THE RANGE 140* TO 230* C. AND UNDER A PRESSURE OF FROM 10 TO 25 ATMOSPHERES GAUGE IN THE PRESENCE OF A FORAMINATE HYDROGENATING METAL CATALYST SELECTED FROM GROUP VIII OF THE PERIODIC SYSTEM WHICH HAS BEEN TREATED WITH A SOLUBLE ALKALINE EARTH METAL BASIC COMPOUND.
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE PRODUCTION OF AMINES WHICH COMPRISES REACTING AN ALIPHATIC MONOALCOHOL HAVING FROM 2 TO 13 CARBON ATOMS IN THE MOLECULE WITH AMMONIA AND HYDROGEN AT A TEMPERATURE WITHIN THE RANGE 140* TO 230* C. AND UNDER A PRESSURE OF FROM 10 TO 25 ATMOSPHERES GAUGE IN THE PRESENCE OF A FORAMINATE HYDROGENATING METAL CATALYST SELECTED FROM GROUP VIII OF THE PERIODIC SYSTEM WHICH HAS BEEN TREATED WITH A SOLUBLE ALKALINE EARTH METAL BASIC COMPOUND.
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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |