US3412098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted n-phenyl-n'-pyridylethylphenyl thioureas
Assignee: Hoechst AG
•
Filing: 1965-11-02
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Granted: 1968-11-19
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Expires: 1985-11-02
Abstract
No abstract record available.
Inventors
- 👤 Winkelmann Erhardt
- 👤 Wagner Wolf-Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:10
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/26; C08G59/32; C08G59/3236; C08G59/3245; C08L; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2820039A
Cited
US2923812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |