Method of preventing infestation of fleas

US5057527A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Bernd Alig · Rübhausen, DE
• Wilhelm Stendel · Wuppertal, DE
• Michael Londershausen · Erkrath, DE

Key dates

• Filing date: Jul 6, 1989
• Grant date: Oct 15, 1991
• Expiry date: Jul 6, 2009

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N43/60
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to the use of substituted alkoxydiphenyl ethers or alkoxydiphenylmethanes of the general formula I ##STR1## in which R.sup.1 represents hydrogen, halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, dioxalkylene, dioxyhalogenoalkylene, CN, NO.sub.2, alkenyl, alkinyl, alkoxyalkyl, alkoxyalkoxy or hydroxyalkoxy, PA1 R.sup.2 represents the radicals indicated for R.sup.1, PA1 R.sup.3 represents the radicals indicated for R.sup.1, PA1 R.sup.4 represents hydrogen, alkyl, halogenoalkyl or halogen, PA1 R.sup.5 represents the radicals indicated for R.sup.4, PA1 Het represents optionally substituted heteroaryl which is not linked to the remaining radical via the hetero atom, PA1 X, Y independently of one another represent --O-- or --S-- PA1 Z represents --O--, --S--, --CH.sub.2 --, --CHCH.sub.3 -- or --C(CH.sub.3).sub.2 --, PA1 m and n independently of one another represent 0, 1, 2 or 3 but their total is equal to, or more than, 2 are exceedingly suitable for controlling fleas.