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US2990320A Expired / Lapsed US ⏱️ 0.0 years remaining

Synergistic insecticidal pyrethrin compositions containing nu-alkoxy alkyl-3, 4 methylene dioxyphenyl carbamates

Assignee: Gulf Research and Development Co
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Filing: 1959-12-29
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Granted: 1961-06-27
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Expires: 1979-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Hartle
  • 👤 Helen I Thayer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 23:54
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/62; C07D317/64

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 21 words
AN INSECTICIDAL COMPOSITION CONSISTING ESSENTIALLY OF A PYRETHRIN INSECTICIDE TOXICANT, A SOLVENT THEREFOR AND A 3,4-METHYLENEDIOXYPHENYL N-ALKOXYALKYL CARBAMATE HAVING THE STRUCTURE:

References Cited (Backward Citations)

US2856411A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-26 1964-12-26 1965-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-26 1968-12-26 1969-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-26 1972-12-26 1973-06-27 $7700.00 Window Closed / Lapsed

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