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:
Nov. 08, 1983
Filed:
Mar. 20, 1981
John H Parsons, Saffron Walden, GB;
Peter J West, Cambridge, GB;
FBC Limited, Cambridge, GB;
Abstract
The compounds of the formula: ##STR1## wherein R.sup.1 represents phenyl substituted in at least the 2-position by fluorine, chlorine, bromine or iodine, R.sup.2 represents a group R.sup.3, --OR.sup.3, --SR.sup.3 or --NR.sup.3 R.sup.4 where R.sup.3 represents hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 2 to 6 carbon atoms, cycloalkenyl of 3 to 7 carbon atoms, alkynyl of 2 to 6 carbon atoms, phenyl, phenylalkyl of 7 to 10 carbon atoms or naphthyl, each of which may be unsubstituted or substituted by one or more halogen atoms, alkyl or alkoxy or alkylthio groups of 1 to 6 carbon atoms, nitro groups, cyano groups or mercapto groups, R.sup.4 represents a group as defined for R.sup.3 but not necessarily identical thereto, and A and B, together with the carbon atoms to which they are attached, form a 3,6-disubstituted pyridazine, a 3,6-disubstituted dihydropyridazine, a 2,5-disubstituted pyrimidine, a 1,2,4-oxadiazole, a 1,2,4-oxadiazoline or a 1,2,4-triazole ring, and the quaternary salts thereof, are novel compounds which are pesticidal, notably with respect to acarids, insects and aphids and their eggs and larvae. Compositions containing the compounds are also described as well as processes for their preparation and methods of using them.