US3670006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammoxidation of saturated hydrocarbons
Assignee: Monsanto Co
•
Filing: 1969-11-17
•
Granted: 1972-06-13
•
Expires: 1989-11-17
Abstract
Abstract Method for the production of acrylonitrile or methacrylonitrile from propane or isobutane employing a catalyst containing antimony, uranium and tungsten.
Inventors
- 👤 Keith M Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:17
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/30; B01J23/002; C; C07; C07C; C07C253/00; C07C253/24; B01J2523/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
The process of claim 1 wherein said catalyst is carried on a catalyst support.
Claim 2
Dependent Claim
11 words
The process of claim 2 wherein said catalyst support is silica.
Claim 3
Dependent Claim
14 words
The process of claim 1 wherein said hydrocarbon is propane and acrylonitrile is produced.
Claim 4
Dependent Claim
14 words
The process of claim 1 wherein said hydrocarbon is isobutane and methacrylonitrile is produced.
References Cited (Backward Citations)
US3365482A
Cited
US3431292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |