Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Pyrethrum plant derived material or plant derived rotenone...
Patent
1992-02-21
1994-08-02
Lovering, Richard D.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Pyrethrum plant derived material or plant derived rotenone...
514 65, 514 71, 514 72, 514 73, 514941, 514942, 514521, 4241951, 71DIG1, A01N 6500, A01N 3734
Patent
active
053345851
ABSTRACT:
Stable pyrethroid microemulsion compositions having from 0.1% to 95% by weight/weight of at least one pyrethroid in liquid form; from 2% to 90% by weight/weight of a three-component surfactant system having at least one anionic surfactant, at least one nonionic surfactant and at least one co-surfactant chosen from aliphatic alcohols, cycloaliphatic alcohols, arylaliphatic alcohols, ether-alcohols and aliphatic carboxylic acids; and water.
The ratio by weight of anionic surfactant
onionic surfactant is from 10/90 to 90/10, and the ratio by weight of co-surfactant/anionic and nonionic surfactants is from 0.1 to 1.5.
The microemulsion compositions are applied directly or after dilution with water to plants (crops) or wood for controlling insects.
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Derian Paul-Joel
Guerin Gilles
Lovering Richard D.
Rhone-Poulenc Chimie
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