US3594362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urea complexes
Assignee: Stauffer Chemical Co
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Filing: 1964-03-17
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Granted: 1971-07-20
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Expires: 1984-03-17
Abstract
Abstract THIS INVENTION RELATES TO CHEMICAL COMPLEXES OF UREA OR UREA DERIVATIVES WITH A COMPLETELY HALOGENATED ACETONE AND TO THEIR PREPARATION. THE INVENTION IS ALSO CONCERNED WITH FUNGICIDAL AND HERBICIDAL COMPOSITONS CONTAINING AS THE ACTIVE COMPONENT THEREOF AT LEAST ONE OF THE AFORESAID COMPLEXES.
Inventors
- 👤 Karoly Szabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:59
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/02; C07C275/04; C07C275/06; C07C275/10; C07C275/20; C07C335/00; C07C335/02; C07C335/04; C07C335/06; C07C335/08; C07C335/16; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/42
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |