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US3810992A
Expired / Lapsed
US
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Anthelmintic bis-thioureido benzene derivative
Assignee: Zeneca Inc
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Filing: 1971-09-02
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Granted: 1974-05-14
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Expires: 1991-09-02
Abstract
Abstract This invention relates to the control of internal parasites. More specifically, this invention relates to the use of anthelmintic active compounds defined by the following formula: WHEREIN R can be hydrogen, nitro, halogen or lower alkyl group and R1 is a lower alkyl group.
Inventors
- 👤 J Menn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:08
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
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) | 1977-05-13 | 1977-11-12 | 1978-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-13 | 1981-11-12 | 1982-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-13 | 1985-11-12 | 1986-05-14 | $7700.00 | Window Closed / Lapsed |