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US4016179A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain esters of 2-substituted-4-hydroxy-cyclopent-2-enones

Assignee: Sumitomo Chemical Co Ltd
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Filing: 1975-07-16
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Granted: 1977-04-05
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Expires: 1995-07-16
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Abstract

Abstract Substituted acetate compounds represented by the formula <IMAGE> which are useful as pesticides and pesticidal composition containing the substituted acetate compounds as active ingredients, as well as processes for preparing the compounds and the compositions are disclosed.

Inventors

  • 👤 Keimei Fujimoto
  • 👤 Nobuo Ohno
  • 👤 Yoshitoshi Okuno
  • 👤 Toshio Mizutani
  • 👤 Isao Ohno
  • 👤 Masachika Hirano
  • 👤 Nobushige Itaya
  • 👤 Takashi Matsuo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:10
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07C; C07C323/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-04-04 1980-10-04 1981-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-04-04 1984-10-04 1985-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-04-04 1988-10-04 1989-04-05 $7700.00 Window Closed / Lapsed

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