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US3709910A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyclopropanecarboxylic acid esters

Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1967-08-21
•
Granted: 1973-01-09
•
Expires: 1987-08-21
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Abstract

Abstract NEW CYCLOPROPNECARBOXYLIC ACID ESTERS HAVING INSECTICIDAL PROPERTIES ARE OBTAINED BY REACTING A SUBSTITUTED CYCLOPROPANECARBOXYLIC ACID OR A HALIDE OR ANHYDRIDE THEREOF WITH AN N-METHYLOLATED COMPOUND. FURTHER, THE CYCLOPROPANECARBOXYLATES ARE OBTAINED BY REACTING AN ALKALI METAL SALT, AMMONIUM SALT OR ORGANIC TERIARY SALT OF A SUBSTITUTED CYCLOPANECARBOXYLIC ACID WITH AN N-HALOGENOMETHYLIMIDE COMPOUND. THE NEW CYCLOPROPANECARBOXYLIC ACID ESTERS HAVE EXCELLENT INSECICIDAL PROPERTIES WHICH ARE SUPERIOR TO CHRYSTANTHEMUMIC ACID ESTERS, WHICH HAVE HERETOFORE BEEN USED AS INSECTICIDES, AND ARE USABLE AS STRONG, MULTI-PURPOSE INSECTIOCIDES IN ADMIXTURE WITH COMMON DILUENTS FOR INSECTICIDES AND WITH OTHER INSECTICIDES.

Inventors

  • 👤 Y Okuno
  • 👤 S Kitamura
  • 👤 K Fujimoto
  • 👤 K Ueda
  • 👤 T Mizutani
  • 👤 M Matsui
  • 👤 T Kato

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 12:50
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; C07D211/00; C07D211/04; C07D211/80; C07D211/84; C07D211/86; C07D211/88; C07D217/00; C07D217/22; C07D217/24; C07D253/00; C07D253/08; C07D265/00; C07D265/28; C07D265/30; C07D265/32; C07D265/33; C07D271/00; C07D271/02; C07D271/10; C07D271/113

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) 1976-01-09 1976-07-10 1977-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-09 1980-07-10 1981-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-09 1984-07-10 1985-01-09 $7700.00 Window Closed / Lapsed

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