Patent US3770754A successfully refreshed from Google Patents.
US3770754A
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Certai 1,2,4-oxa- and -thiadiazol-5-ylthioalkanoic acid derivatives
Assignee: Fisons Ltd
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Filing: 1970-10-12
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Granted: 1973-11-06
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Expires: 1990-10-12
Abstract
Abstract NEW NEMATOCIDES AND PLANT GROWTH REGULANTS COMPRISE DIAZOLES OF FORMULA, X<(-N=C(-R1)-N=C(-S-R2)-) IN WHICH R1 IS ALKYL, SUBSTITUTED ALKYL, ARYL, OR SUBSTITUTED ARYL, R2 IS ALKYL, ALKENYL, ALKYNYL OR SUBSTITUTED ALKYL AND X IS OXYGEN OR SULPHUR.
Inventors
- 👤 J Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:38
CPC Classifications
C; C07; C07D; C07D271/00; C07D271/02; C07D271/06; C07D271/07; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/08
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |