Microcapsule formulations

US6653256B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hilmar Wolf · Langenfeld, DE
• Joachim Weissmuller · Monheim, DE

Key dates

• Filing date: Mar 1, 2001
• Grant date: Nov 25, 2003
• Expiry date: Mar 1, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N57/30
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Microcapsule formulations ofA) a particulate disperse phase ofa) a reaction product ofat least one diamine, polyamide, dialcohol, polyalcohol and/or aminoalcohol withan 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, andB) a liquid aqueous phase, a process for the preparation of these formulations, and their use for applying the active compounds which they comprise.