US3086041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aliphatic nitriles from olefins
Assignee: Distillers Co Yeast Ltd
•
Filing: 1959-03-24
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Granted: 1963-04-16
•
Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Hadley David James
- 👤 Stewart David Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS WHICH COMPRISES BRINGING A MIXED STREAM OF PROPYLENE, MOLECULAR OXYGEN, AMMONIA AND STREAM INTO CONTACT WITH MOLYBDENUM OXIDE AS CATALYST SUPPORTED ON A CARRIER CONTAINING AN ALKALI METAL COMPOUND SELECED FROM THE GROUP CONSISTING OF (A) THE HYDROXIDE, CHLORIDE, SULPHATE, CARBONATE, NITRATE AND MOLYBDATE OF SODIUM, AND (B) POTASSIUM COMPOUNDS CORRESPONDING TO THE SODIUM COMPOUNDS IN GROUP (A) AS A PROMOTER, WHILE MAINTAINING THE TEMPERATURE THEREOF AT ABOUT 300 TO 600*C., THE PROPORTIONATE VOLUMES OF THE INGREDIENTS, BASED ON THE TOTAL VOLUME OF THE MIXED STREAM, BEING AS FOLLOWS: 1 TO 20% PROPYLENE, 1 TO 10% AMMONIA, 20 TO 90% STEAM, AND AT LEAST 2% OXYGEN, TO PRODUCE ACRYLONITRILE.
Claim 2
Dependent Claim
111 words
A PROCESS WHICH COMPRISES BRINGING A MIXED STREAM OF PROPYLENE, MOLECULAR OXYGEN, AMMONIA AND STREAM INTO CONTACT WITH MOLYBDENUM OXIDE AS CATALYST SUPPORTED ON A CARRIER CONTAINING AN ALKALI METAL COMPOUND SELECED FROM THE GROUP CONSISTING OF (A) THE HYDROXIDE, CHLORIDE, SULPHATE, CARBONATE, NITRATE AND MOLYBDATE OF SODIUM, AND (B) POTASSIUM COMPOUNDS CORRESPONDING TO THE SODIUM COMPOUNDS IN GROUP (A) AS A PROMOTER, WHILE MAINTAINING THE TEMPERATURE THEREOF AT ABOUT 300 TO 600*C., THE PROPORTIONATE VOLUMES OF THE INGREDIENTS, BASED ON THE TOTAL VOLUME OF THE MIXED STREAM, BEING AS FOLLOWS: 1 TO 20% PROPYLENE, 1 TO 10% AMMONIA, 20 TO 90% STEAM, AND AT LEAST 2% OXYGEN, TO PRODUCE ACRYLONITRILE.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |