Patent US3414606A successfully refreshed from Google Patents.
US3414606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of acrylonitrile and methacrylonitrile
Assignee: BASF SE
•
Filing: 1966-04-01
•
Granted: 1968-12-03
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Winderl Siegfried
- 👤 Hoffmann Herwig
- 👤 Palm Christof
- 👤 Nohe Heinz
- 👤 Baer Karl
- 👤 Harders Hartwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:25
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8878; B01J23/16; B01J23/38; B01J23/54; B01J23/66; B01J23/68; B01J23/683; B01J23/687; B01J23/888; B01J23/8885; B01J23/89; B01J23/8933; B01J23/8993; C; C01; C01B; C01B21/00; C01B21/20; C01B21/24; C01B21/26; C07; C07C; C07C253/00; C07C253/24; C07C253/26; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |