Microcapsule formulations of A) a particulate disperse phase of a) a reaction product of at least one diamine, polyamide, dialcohol, polyalcohol and/or aminoalcohol with an isocyanate mixture characterized in the description, if appropriate as a mixture with toluylene diisocyanate, b) at least one agrochemically active compound of a particular group of substances and, c) if appropriate, additives, and B) a liquid aqueous phase, a process for the preparation of these formulations, and their use for applying the active compounds which they comprise.