US3536756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of bis-halogeno carbonyl amines
Assignee: Bayer AG
•
Filing: 1967-02-27
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Granted: 1970-10-27
•
Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Zumach
- 👤 Engelbert Kuhle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/02; C07C271/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1200313B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |