Patent · US Expired

Method for preventing termites and microencapsulated organophosphorus termite controlling composition

US4900551A · kind A · utility

11Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1988
Grant dateFeb 13, 1990
Priority date
Expiry dateMar 10, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2985
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Termites are prevented by applying thereto microencapsulated organophosphorus termite controlling composition in an amount of 5-100 g as an effective ingredient. The composition comprises an organophosphorus insecticidal compound encapsulated in a microcapsule formed of a polyurea or polyurethane wall and having an average particle diameter of not more than 80 .mu.m, a wall thickness of 0.1-1 .mu.m, and a value of the average particle diameter/wall thickness of 20-400.

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