US3830839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imidoyl ureas
Assignee: STWB Inc
•
Filing: 1970-03-02
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Granted: 1974-08-20
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Expires: 1990-03-02
Abstract
Abstract THE COMPOUND OF THIS INVENTION ARE NOVEN INIDOYLUREAS HAVING ANTHELMINTIC ACTIVITY AND IMIDOYLTHIOUREAS HAVING ANTIFERTILITY ACTIVITY. THEY ARE PREPARED BY THE REACTION OF APPROPRIATE AMININES WHEN APPROPRIATE INOCYANATES OR ISOTHIOCYANTAS.
Inventors
- 👤 G Diana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:15
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07D295/145; C07D295/15; A; A61; A61K; A61K31/00; A61K31/16; A61K31/17; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; A61K31/495; A61K31/535; A61K31/54; C07C; C07C275/00; C07C275/46; C07C275/48; C07C275/56; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/70; C07D307/71; C07D307/72; C07D307/73
Claims Analysis
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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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |