US2518754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of synthesizing aliphatic amines
Assignee: Phillips Petroleum Co
•
Filing: 1947-07-16
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Granted: 1950-08-15
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Expires: 1967-07-16
Abstract
No abstract record available.
Inventors
- 👤 Clark Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:10
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60; C07C209/04; C07C209/14; C07C209/16; C07C211/00; C07C211/01; C07C211/02; C07C211/03; C07C211/04; C07C211/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR THE SYNTHESIS OF ALIPHATIC AMINES WHICH COMPRISES CONTACTING A GASEOUS MIXTURE CONTAINING TWO TO TWENTY MOL PER CENT AMMONIA AND HYDROGEN AND CARBON MONOXIDE IN A VOLUME RATIO OF 2:1 TO 1:1 WITH A HYDROGENATION CATALYST CONTAINING NO METALLIC CATALYST OTHER THAN IRON AT A TEMPERATURE OF 240 TO 320*C. AND AT A PRESSURE OF ATMOSPHERIC TO 200 ATMOSPHERES, AND SEPARATING ALIPHATIC AMINES CONTAINING FROM ONE TO TWELVE CARBON ATOMS PER MOLECULE AS REACTION PRODUCTS.
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE SYNTHESIS OF ALIPHATIC AMINES WHICH COMPRISES CONTACTING A GASEOUS MIXTURE CONTAINING TWO TO TWENTY MOL PER CENT AMMONIA AND HYDROGEN AND CARBON MONOXIDE IN A VOLUME RATIO OF 2:1 TO 1:1 WITH A HYDROGENATION CATALYST CONTAINING NO METALLIC CATALYST OTHER THAN IRON AT A TEMPERATURE OF 240 TO 320*C. AND AT A PRESSURE OF ATMOSPHERIC TO 200 ATMOSPHERES, AND SEPARATING ALIPHATIC AMINES CONTAINING FROM ONE TO TWELVE CARBON ATOMS PER MOLECULE AS REACTION PRODUCTS.
References Cited (Backward Citations)
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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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |