Isp Investments Inc.

Matthew J Benning

Kolazi S Narayanan

Domingo I Jon

Donald I Prettypaul

Robert M Ianniello

This invention relates to a single phase emulsifiable concentrate composition comprising (a) between about 0.05 and about 25 wt. % of a biologically, fungicidally and/or herbicidally active aza compound; (b) between about 2 and about 40 wt. % of a lactam selected from the group of N-methyl pyrrolidone, N-methyl caprolactam, a C,to C,alkyl pyrrolidone, a C,to C,caprolactam and a mixture thereof; (c) between about 2 and about 20 wt. % of a moisture scavenging agent selected from the group consisting of a liquid molecularly hindered carbodiimide, a molecular sieve or a mixture thereof and (d) between about 10 and about 80 wt. % of a mixture of at least two non-ionic surfactants having an overall hydrophilic/lipophilic balance (HLB) above 7. The invention also relates to the stable oil-in-water (o/w) miniemulsions prepared from the above by dilution to between about 40 and about 99.99 wt. % water for a &ldquo;pour on&rdquo;, dip or spray solution useful in the treatment of animals or plants.

Stabilized concentrates of water unstable AZA compounds and o/w miniemulsions thereof

A water-dilutable, microemulsion concentrate and pour-on formulations for water-insoluble insecticides such as amitraz is described, which includes a mixture of nonionic emulsifiers of defined amounts and HLB values, and, particularly, including a molecular sieve or a water stabilizer additive to provide a single phase, clear, physically and chemically stable system, without decomposition for an extended period of time.

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Highland Lakes, NJ, United States of America

Matthew J Benning