US3793372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-cyanohaloalkanesulfonanilides
Assignee: Pbi-Gordon Corp
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Filing: 1971-07-28
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Granted: 1974-02-19
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Expires: 1991-07-28
Abstract
Abstract N-CYANOHALOALKANESULFONANILIDES WHEREIN THE PHENYL RING IS OPTIONALLY SUBSTITUTED BY A SUBSTITUENT CONTAINING NO CYCLIC GROUPS AND PROCESSES FOR THEIR PREPARATION ARE DISCLOSED. THESE COMPOUNDS AND THEIR COMPOSITIONS ARE EFFECTIVE HERBICIDES.
Inventors
- 👤 J Gerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:02
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/01; C07C311/02; C07C311/09
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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |