Patent · US Expired

Vermin-repellent microcapsules with slow-release potentiality

US5039524A · kind A · utility

6Cited by
5References
3Claims
0Family size

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Key dates

Filing dateAug 2, 1988
Grant dateAug 13, 1991
Priority date
Expiry dateAug 2, 2008

Classification

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

Abstract

Disclosed are slow-release vermin-repellent microcapsules composed of a core substance and a wall film formed around the said core substance to encapsulate the same, in which the core substance is diethyltoluamide of a formula: ##STR1## and the wall film has a function of slow-releasability.

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