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:
Sep. 19, 1989
Filed:
Sep. 24, 1984
Barat Bisabri-Ershadi, Pittsburgh, CA (US);
Raymond H Rigterink, Midland, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
N-aroyl N'-phenyl ureas having the formula ##STR1## wherein: Ar is a substituted phenyl, pyridyl or pyrimidinyl radical wherein the substituents are chloro, bromo, fluoro C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy, with the proviso that at least one substituent is positioned ortho to the carbonyl group; R.sub.3 and R.sub.4 are individually H or C.sub.1 -C.sub.4 alkyl or together they form the group ##STR2## Y is O or S; X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are individually H, halogen, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, alkylcarbonyl, alkoxycarbonyl, C.sub.1 -C.sub.3 alkylthio, NO.sub.2, CN or NR.sub.5 R.sub.6 wherein R.sub.5 and R.sub.6 are H or C.sub.1 -C.sub.3 alkyl with the provisos that at least one of X.sub.1, X.sub.2, X.sub.3 or X.sub.4 is other than H and (a) when three of X.sub.1, X.sub.2, X.sub.3 or X.sub.4 are H, the fourth substitution cannot be halogen or alkyl, (b) when X.sub.1 and X.sub.3 are H, X.sub.2 and X.sub.4 cannot both be halogen, (c) when X.sub.2 and X.sub.3 are H, X.sub.1 and X.sub.4 cannot be both halogen, (d) when X.sub.1 and X.sub.4 are hydrogen, X.sub.2 and X.sub.3 cannot both be halogen and R is a C.sub.1 -C.sub.4 haloalkyl, haloalkoxy or haloalkylthio group which possess insecticidal properties.