Patent ID: 6610282
Filing Date: 2003-08-26
Classification: A01N,C09D

Abstract:
A controlled release composition comprising a mixture of a biologically active compound and a hydroxy styrene polymer; wherein the biologically active compound is selected from the group consisting of 5-chloro-2-methyl-3-isothiazolone; 2-methyl-3-isotiazolone; 2-n-octyl-3-isothiaolone; 4,5-dichloro-2-n-octyl-3-isothiazolone; 1,2-dibromo-2,4-dicyanobutane; methylene-bis-thiocyanate; 2-thiocyanomethyl thiobenzothiazole; tetrachloroisophthalonitrile; 5-bromo-5-nitro-1,3-dioxane; 2-bromo-2-nitropropanediol; 2,2-dibromo-3-nitrilopropionamide; N,N-dimethylhydroxy-5,5â€²-dimethylhydantoin; bromochlorodimethylhydantoin; 1,2-benzisothiaolin-3-one; 4,5-trimethylene-2-methyl-3-isothiazolone; 5-chloro-2-(2,4-dichlorophenoxy)phenol; 3,4,4â€²-trichlorocarbanilide; manganese ethylene-bis-dithiocarbamate; zinc dimethyl dithiocarbamate; 2-methyl-4-t-butyl amino-6-cyclopropyl amino-s-triazine; 2,4,5,6-tetrachloro isophthalonitrile; N,N-dimethyl dichloro phenyl urea; zinc ethylene-bis-dithiocarbamate; copper thiocyanate; N-(fluorodichloromethylthio)-phthalimide; N,N-dimethyl-Nâ€²-phenyl-Nâ€²-fluorodichloromethylthio-sulfamide; zinc 2-pyridine thiol-1-oxide; tetramethylthiuram disulfide; 2,4,6-trichlorophenylmaleimide; 2,3,5,6-tetrachloro-4-(methyl sulfanyl)-pyridine; 3-iodo-2-propynyl butyl carbamate; bis-dimethyl dithio carbamoyl zinc ethylene-bis-dithiocarbamate; phenyl (bispyridil) bismuth dichloride; 2-(4-thiazolyl)-benzimidazole; pyridine triphenyl borane; phenyl amides; halo propargyl compounds; 2-haloalkoxyaryl-3-isothiazolones and combinations thereof; and wherein the weight ratio of biologically active compound to hydroxystyrene polymer, is from 1:10 to 9:1.