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US3725546A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain phosphorodithiolates as insecticides and fungicides

Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1970-08-05
•
Granted: 1973-04-03
•
Expires: 1990-08-05
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Abstract

Abstract Method for controlling insects and fungi, in which the insects and fungi are contacted with a phosphorodithiolate of the formula, WHEREIN R is a lower alkyl; A is a lower alkyl, etc.; and B is phenylalkyl, etc. Two typical examples of the phosphorodithiolates are shown by the formula The compounds can be prepared by condensing a dithioate of the formula, WHEREIN A and R are as mentioned above and M is an alkali metal or ammonium group, with a halide of the formula,

Inventors

  • 👤 H Tsuchiya
  • 👤 K Mukai
  • 👤 A Kimura
  • 👤 T Wakatsuki
  • 👤 Y Nishizawa
  • 👤 Y Okuno
  • 👤 T Ogawa
  • 👤 K Fujimoto
  • 👤 T Ozaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 15:37
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18; A; A01; A01N; A01N57/00; A01N57/10; C07F9/1651; C07F9/1653; C07F9/173; C07F9/177

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 14 words
The method according to claim 1 wherein the phosphorodithiolate is O-ethyl-S-n-butyl-S-benzylphosphorodithiolate, O-n-butyl-S-ethyl-S-benzylphosphorodithiolate or O-ethyl-S-sec-butyl-S-benzylphosphorodithiolate.
Claim 2
Dependent Claim 29 words
A method for protecting plants from insects and fungi, which comprises applying to said plants an insecticidally and fungicidally effective amount of a phosphorodithiolate as defined in claim 1.
Claim 3
Dependent Claim 26 words
The method according to claim 1, wherein the alkyl of R is ethyl, straight or branched propyl, straight or branched butyl or straight or branched pentyl.
Claim 4
Dependent Claim 23 words
The method according to claim 1, wherein R is ethyl or n-butyl; A is phenethyl or phenpropyl and B is benzyl or 3,4-dichlorobenzyl.
Claim 5
Dependent Claim 26 words
An insecticidal and fungicidal composition consisting of an insecticidally and fungicidally effective amount of a phosphorodithiolate as defined in claim 1 and an agriculturally acceptable carrier.

References Cited (Backward Citations)

GB938850A Cited
US3641221A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-04-02 1976-10-02 1977-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-02 1980-10-02 1981-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-02 1984-10-02 1985-04-03 $7700.00 Window Closed / Lapsed

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