EP0189069A2 — Pyrazolesulfonamide derivative, process for its production and herbicide containing it
Assigned to Nissan Chemical Corp · Expires 1986-07-30 · 40y expired
What this patent protects
A pyrazolesulfonamide derivative represented by Formula (I): wherein Q, m, R, B, D, E, W and G are as defined in the specification. The compound is useful as herbicide having not only an excellent killing effect on weeds but also the selectivity on certain crops. Useful proc…
USPTO Abstract
A pyrazolesulfonamide derivative represented by Formula (I): wherein Q, m, R, B, D, E, W and G are as defined in the specification. The compound is useful as herbicide having not only an excellent killing effect on weeds but also the selectivity on certain crops. Useful processes for synthesizing the compound are also disclosed.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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