US3655685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(imidazolid inylidence-(2)-amino)-5-nitro-thiazoles and salts thereof
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1970-04-09
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Granted: 1972-04-11
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Expires: 1990-04-09
Abstract
Abstract 2 - (IMIDAZOLIDINYLIDENE - (2) - AMINO)-5-NITRO-THIAZOLES OF THE FORMULA (5-(O2N-)-THIAZOL-2-YL)-N=C<(-N(-R1)-CH2-(CH2)N-CH2- N(-R4)-)(-R1)(-R2) WHEREIN R1 IS HYDROGEN OR ALKYL OF 1 TO 3 CARBON ATOMS, R2 IS HYDROGEN OR METHYL, R3 IS HYDROGEN OR METHYL, R4 IS ALKYL OF 1 TO 3 CARBON ATOMS, AND N IS 0 OR 1, AND NON-TOXIC, PHARAMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, USEFUL AS TRICHOMONADICIDES IN WARMBLOODED ANIMALS.
Inventors
- 👤 Wolfgang Reuter
- 👤 Eberhard Kutter
- 👤 Robert Sauter
- 👤 Hans Machleidt
- 👤 Alexander Wildfeuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:49
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/58
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |