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US3962265A Expired / Lapsed US ⏱️ 0.0 years remaining

H'-(4-((6-chloro-2-pyridinyl)oxy)phenyl)-n-methyl-n-(1-methyl-2-propynyl)urea

Assignee: Dow Chemical Co
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Filing: 1975-04-21
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Granted: 1976-06-08
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Expires: 1995-04-21
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Abstract

Abstract Disclosed are novel substituted pyridinyloxy-(thio)phenyl alkenyl- and alkynyl urea compounds and N-oxide derivatives thereof. The compounds of the present invention are useful as herbicides and can be formulated to provide herbicidal compositions.

Inventors

  • 👤 Howard Johnston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 08:05
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
The compound which is N'-(4-((6-chloro-2-pyridinyl)oxy)phenyl)-N-methyl-N-(1-methyl-2-propynyl)urea.
Claim 2
Dependent Claim 5 words
The compound which is N'-(4-((6-chloro-2-pyridinyl)oxy)phenyl)-N-methyl-N-(1-methyl-2-propynyl)urea.

References Cited (Backward Citations)

US3701807A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-06-08 1979-12-08 1980-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-06-08 1983-12-08 1984-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-06-08 1987-12-08 1988-06-08 $7700.00 Window Closed / Lapsed

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