US3126407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making aliphatic nitriles
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:28
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J27/1817; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A PROCESS OF MAKING AN ALIPHATIC NITRILE BY REACTING AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF PROPYLENE, ISOBUTYLENE AND 2-BUTENE WITH A MIXTURE OF AMMONIA AND OXYGEN, THE IMPROVEMENT COMPRISING CARRYING OUT SAID REACTION IN A PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF CUPRIC ORTHOPHOSPHATE, CUPRIC METHAPHOSPHATE, CUPRIC TRIPOLYPHOSPHATE, CUPRIC ACID PHOSPHATE AND CUPRIC PYROPHOSPHATE AT ABOUT 250 TO 550*C. UNDER APPROXIMATELY ATMOSPHERIC PRESSURE FOR UP TO 15 SECONDS, THE RESPECTIVE MOLAR RATIO OF OXYGEN AND AMMONIA TO MONOOLEFIN BEING 0.3 TO 5 AND 0.1 TO 5.
Claim 2
Dependent Claim
92 words
IN A PROCESS OF MAKING AN ALIPHATIC NITRILE BY REACTING AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF PROPYLENE, ISOBUTYLENE AND 2-BUTENE WITH A MIXTURE OF AMMONIA AND OXYGEN, THE IMPROVEMENT COMPRISING CARRYING OUT SAID REACTION IN A PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF CUPRIC ORTHOPHOSPHATE, CUPRIC METHAPHOSPHATE, CUPRIC TRIPOLYPHOSPHATE, CUPRIC ACID PHOSPHATE AND CUPRIC PYROPHOSPHATE AT ABOUT 250 TO 550*C. UNDER APPROXIMATELY ATMOSPHERIC PRESSURE FOR UP TO 15 SECONDS, THE RESPECTIVE MOLAR RATIO OF OXYGEN AND AMMONIA TO MONOOLEFIN BEING 0.3 TO 5 AND 0.1 TO 5.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |