Patent · US Expired

Pyrethroid-containing molded articles for combating ectoparasites

US4631231A · kind A · utility

26Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1984
Grant dateDec 23, 1986
Priority date
Expiry dateAug 31, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31971
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An article molded of at least one polymer selected from the group consisting of a polyvinyl resin, polyacrylate, epoxy resin, cellulose, cellulose derivative, polyamide and polyester and containing at least one pyrethroid selected from the group consisting of 3'-phenoxy-4'-fluoro-.alpha.-cyano-benzyl 2,2-dimethyl-3-(2"-p-chlorophenyl-2"-chlorovinyl)-cyclopropanecarboxylate, 3'-phenoxy-4'-fluoro-.alpha.-cyano-benzyl 2,2-dimethyl-3-(2",2"-dichlorovinyl)cyclopropane-carboxylate, pentafluorobenzyl permethrate, and isomers thereof. Such articles are especially useful in combating ectoparasites in livestock management, being used in the form of an ear-tag, neck strap, neck strap tag, tail strap, limb strap or halter.

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