N-carbamoyl imidazolidinones and imidazolidinethiones

Claim 1

A compound having the formula - ##SPC12## wherein n is 1 or 2, Y is O, hydrogen or a straight- or branched chain alkyl group having from 1 to 4 carbon atoms Z is O or S and when n is 1, R 1 is a straight or branched chain alkyl residue having from 1 to 20 carbon atoms; a straight- or branched chain alkenyl residue having from 3 to 18 carbon atoms; a cycloalkyl group having 5 to 14 carbon atoms or said cycloalkyl group substituted by alkyl having 1 to 12 carbon atoms or alkoxy having 1 to 4 carbon atoms; aryl group having 6 to 10 carbon atoms or said aryl group substituted by alkyl having 1 to 12 carbon atoms, alkoxy having 1 to 4 carbon atoms or one or two chlorine atoms; or an aralkyl group having from 7 to 18 carbon atoms, and when n is 2, R 2 is a straight or branched alkylene having from 2 to 20 carbon atoms; arylene having from 6 to 18 carbon atoms or said arylene substituted by methyl; or an aralkylene group having from 7 to 18 carbon atoms, and salts of said compounds wherein the salt is a phosphate, carbonate, sulphate, chloride, acetate, stearate, maleate, citrate, tartrate, oxalate benzoate or substituted carbamate.