Patent · US Expired

Microcapsule formulations

US6566306B1 · kind B1 · utility

11Cited by

4References

13Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hilmar Wolf · Langenfeld, DE
Joachim Weissmuller · Monheim, DE
Maria Giuliana Cianciulli Teller · Wuppertal, DE

Key dates

Filing date	Mar 1, 2001
Grant date	May 20, 2003
Priority date	—
Expiry date	Mar 1, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N25/28
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Microcapsule formulations ofA) a particulate disperse phase ofa) a reaction product of the isocyanate of the formula if appropriate as a mixture with toluylene diisocyanate, andat least one diamine, polyamine, dialcohol, polyalcohol and/or aminoalcohol,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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.