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US 4,786,632 AGranted
Emulsifiable concentrates of malathion with inherent low eye-irritation properties
AssigneeAmerican Cyanamid Company
InventorJoseph J. Dudkowski
Life of this patent
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Abstract
Emulsifiable concentrates of malathion having low eye irritation properties. Compositions of the invention yield stable emulsions when diluted with water.
Claims2
A low-eye-irritating emulsifiable insecticide concentrate composition comprising:
- on a weight basis, about 62.5% malathion;
- about 4.2% of a liquid blend of anionic and nonionic surfactants containing calcium and dodecylbenzene sulfonate, alkylphenoxy polyoxyethylene ethanols and polyalkylene glycol ether, having a specific gravity of 0.98 at 25.degree. C., flash point (T.O.C. .degree.F.) of 125, flash point (closed cup)=71.degree. F., and a pH of 6.0-6.2, (TOXIMUL.RTM.475);
- about 2.8% of a liquid blend of anionic and nonionic surfactants containing calcium dodecylbenzene sulfonate, alkylphenoxy polyoxyethylene ethonols and polyalkylene glycol ether, having a specific gravity of 1.001 at 25.degree. C., flash point (T.O.C. .degree.F.) of 125, flash point (closed cup)=68.degree. F.;
- and pH of 5.0 (TOXIMUL.RTM. 480);
- and about 30.5% heavy aromatic naphtha solvent.
2 more elements
Dependencies are inferred from the claim text.