US3798254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted s-dichloromethyl organothiosulfonates and their manufacture
Assignee: Monsanto Co
•
Filing: 1971-09-20
•
Granted: 1974-03-19
•
Expires: 1991-09-20
Abstract
Abstract SUBSTITUTED S-DICHLOROMETHYL ORGANOTHIOSULFONATES ARE PREPARED FROM SUBSTITUTED DICHLOROMETHANE SULFENYL CHLORIDES BY REACTION WITH AN IONIZED ORGANOSLUFINATE IN THE PRESENCE OF WATER AND AN IMMISCIBLE ORGANIC SOLVENT. THESE COMPOUNDS ARE PESTICIDALLY ACTIVE AND PARTICULARLY USEFUL AS PRE-EMERGENT HERBICIDES.
Inventors
- 👤 W Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:10
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N41/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |