The Hartz Mountain Corporation

The Sherwin Williams Company

W Lance Hemsarth

Ellen McGarvey

Keith Goldman

Michael P Tune

Louis P Rossi

Kimberly Cassar

Ellen Mcgarvey

The invention provides an ectoparasiticidal formulation which comprises an ectoparasiticidal agent, preferably the pyrethroid permethrin, as the pesticidally-active ingredient, together with a crystallization inhibitor selected from the group consisting of alkyl-substituted pyrrolidones, and optionally, one or more organic solvents and/or co-solvents. Preferably, the crystallization inhibitor is N-octyl pyrrolidone, and the organic solvent, if present, preferably comprises diethylene glycol monoethyl ether. The ectoparasiticidal formulation surprisingly yields a significantly enhanced speed of kill. Methods for manufacturing the formulation, as well as methods for treating animals infested with ectoparasites, are also disclosed.

Ectoparasiticidal formulations

The invention provides an ectoparasiticidal formulation which comprises an ectoparasiticidal agent, preferably the pyrethroid tetramethrin, as the pesticidally-active ingredient, together with a crystallization inhibitor selected from the group consisting of alkyl-substituted pyrrolidones, and optionally, one or more organic solvents and/or co-solvents. Preferably, the crystallization inhibitor is N-octyl pyrrolidone, and the organic solvent, if present, preferably comprises diethylene glycol monoethyl ether. The ectoparasiticidal formulation surprisingly yields a significantly enhanced speed of kill. Methods for manufacturing the formulation, as well as methods for treating animals infested with ectoparasites, are also disclosed.

A method of and a composition for treating a parasitic infestation in an animal and/or its environment is provided. The method includes providing an ectoparasitcidal formulation which comprises two or more IGRs, in which the IGRs may be selected from the same IGR class or from different IGR classes (excluding two or more juvenile hormone mimic IGRs selected from S-methoprene, hydroprene and pyriproxyfen) and regardless of whether each IGR is mobile or non-mobile or is capable or incapable of translocation in the environment.

Ectoparasiticidal formulations and methods using combinations of insect growth regulators

The invention provides an ectoparasiticidal formulation which comprises an ectoparasiticidal agent, preferably fipronil, as the pesticidally-active ingredient, together with a crystallization inhibitor selected from the group consisting of alkyl-substituted pyrrolidones, and optionally, one or more organic solvents and/or co-solvents. Preferably, the crystallization inhibitor is N-octyl pyrrolidone, and the organic solvent, if present, preferably comprises diethylene glycol monoethyl ether. The ectoparasiticidal formulation surprisingly yields a significantly enhanced speed of kill. Methods for manufacturing the formulation, as well as methods for treating animals infested with ectoparasites, are also disclosed.

Ectoparasiticidal methods

A dispenser is provided for separately storing and facilitating the mixture of separate components of a two-part composition. The dispenser includes a first container having a chamber for retaining one of the components and a second container having a chamber for retaining the other of the components and for mixing the components together to form the resultant two-part composition. A receptacle sleeve is provided and is mounted on the second container. The receptacle sleeve is adapted to secure the two containers together during periods of storage and transportation as well as to facilitate mixture of the components. The receptacle sleeve further serves to protect the user from exposure to the unmixed components as well as providing a drip-free spout in dispensing the composition. A method is further provided for alternately storing the separate components and admixing them together in one of the containers.

Growing community of inventors

Ringwood, NJ, United States of America

W Lance Hemsarth