US2907793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of cyclooctylamine
Assignee: GAF Chemicals Corp
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Filing: 1956-09-21
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Granted: 1959-10-06
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Louis E Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:05
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/44; C07C209/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
PROCESS FOR THE PREPARATION OF CYCLOOCTYLAMINE DIRECTLY FROM A-CHLOROCYCLOOCTANONE OXIME, SAID PROCESS CONSISTING ESSENTIALLY OF THE STEP OF SUBJECTING A SOLUTION OF A-CHLOROCYCLOOCTANONE OXIME IN A SOLVENT, SELECTED FROM THE GROUP CONSISTING OF ETHNOL AND TETRAHYDROFURAN, TO THE ACTION OF HYDROGEN IN TH PRESENCE OF A HYDROGENATION CATALYST, SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, AND ALLOYS AND OXIDES THEREOF, AND RANEY NICKEL, AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND 150* C. AND A HYDROGEN PRESSURE OF FROM 6 TO 20 ATMOSPHERES.
Claim 2
Dependent Claim
83 words
PROCESS FOR THE PREPARATION OF CYCLOOCTYLAMINE DIRECTLY FROM A-CHLOROCYCLOOCTANONE OXIME, SAID PROCESS CONSISTING ESSENTIALLY OF THE STEP OF SUBJECTING A SOLUTION OF A-CHLOROCYCLOOCTANONE OXIME IN A SOLVENT, SELECTED FROM THE GROUP CONSISTING OF ETHNOL AND TETRAHYDROFURAN, TO THE ACTION OF HYDROGEN IN TH PRESENCE OF A HYDROGENATION CATALYST, SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, AND ALLOYS AND OXIDES THEREOF, AND RANEY NICKEL, AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND 150* C. AND A HYDROGEN PRESSURE OF FROM 6 TO 20 ATMOSPHERES.
References Cited (Backward Citations)
US2371418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |