A PROCEDURE FOR THE PREPARATION OF AN INSECTICIDE CARBAMATE COMPOSITION AND REACTION PRODUCT OF THE INSECTICIDE AND FORMALDEHYDE OR PARAFORMALDEHYDE.

摘要

A liquid insecticidal composition having a high concentration of active ingredients and good stability at low temperatures comprises:… 1) a specified carbamate insecticide, e.g. methomyl, oxamyl or aldicarb;… 2) a reaction product of 1) with formaldehyde or paraformaldehyde; and… 3) 1-35% by weight, based on the weight of the composition, of water. …??The composition may be made by reacting the carbamate insecticide with formaldehyde or paraformaldehyde in the presence of small amounts of water and a base.