US3598564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant growth regulating agents
Assignee: Merck KGaA
•
Filing: 1969-04-17
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Granted: 1971-08-10
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Expires: 1989-04-17
Abstract
Abstract FOR REGULATING PLANT GROWTH, A COMPOSITION COMPRISING AT LEAST ONE FLUORENE-9-CARBOXYLIC ACID ESTER DERIVATIVE SUBSTITUTED BY HALOGEN IN 2-AND/OR 7-POSITION.
Inventors
- 👤 Ernst Jacobi
- 👤 Dietrich Erdmann
- 👤 Gunther Mohr
- 👤 Sigmund Lust
- 👤 Gerhart Schneider
- 👤 Konrad Niethammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
A; A01; A01N; A01N45/00; A01N45/02; A01N37/00; A01N37/08; A01N37/42; C; C07; C07C; C07C57/00; C07C57/46; C07C57/50; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |