US3737460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of secondary alkyl primary amines
Assignee: Texaco Inc
•
Filing: 1970-11-06
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Granted: 1973-06-05
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Expires: 1990-11-06
Abstract
Abstract PROCESS FOR PRODUCING SECONDARY ALKYL PRIMARY AMINES, IN PARTICULAR, SECONDARY ALKYL PRIMARY AINES HAVING FROM 6 TO 25 CARBON ATOMS WHEREIN A C6-C25 MONO-NITROPARAFFIN IS REACTED WITH HYDROGEN IN THE PRESENCE OF A STABILIZED PALLADIUM-CARBON CATALYST WHERE THE ACTIVITY AND CRUSH STRENGTH OF THE CATALYST IS ENHANCED AND THE REACTION IS SELECTIVE IN THE CONVERSION OF MONO-NITROPARAFFINS TO SECONDARY ALKYL PRIMARY AMINES.
Inventors
- 👤 R Suggitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:42
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/38; B01J23/40; B01J23/44; B01J27/00; B01J27/20; B01J27/22; B01J21/00; B01J21/18; B01J37/00; B01J37/02; B01J37/0201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |