The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 1990
Filed:
Jan. 27, 1988
Holger Heidenreich, Kuden, DE;
Benedikt Becker, Mettmann, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
A method of combating acarids which comprises applying to such acarids or to an acarid habitat an acaricidally effective amount of an azomethine of 2,3-diaminomaleic acid nitrile of the formula ##STR1## in which X represents halogen, halogenoalkyl or CN and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 can be identical or different and represent hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, CN, NO.sub.2, optionally substituted dialkylamino, alkoxycarbonyl, optionally substituted alkylthio, optionally substituted alkylthionyl, optionally substituted alkylsulphonyl, OH, SH or NH.sub.2. The compounds other than the 2-chloro-and 2,6-dichloro-toluylideneamino-compounds are new.