Microbicidal composition
View Patent ↗Synergistic microbicidal compositions containing N-methyl-1,2-benzisothiazolin-3-one.
1. A microbicidal composition comprising:
(a) N-methyl-1,2-benzisothiazolin-3-one; and
(b) at least one microbicide selected from the group consisting of ethyl lauroyl arginate hydrochloride, cocamidopropyl-N-2-hydroxyethylcarbamoyl methyl dimethyl ammonium chloride, Cu(II) 2-aminoethanolate and didecyl dimethyl ammonium chloride, didecyl dimethyl ammonium carbonate and bicarbonate, Cu(II) 2-aminoethanolate, glycerol monolaurate, propylene glycol mono-laurate, and propylene glycol caprylate; wherein a ratio of ethyl lauroyl arginate hydrochloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:94 to 1:0.0137, a ratio of cocamidopropyl-N-2-hydroxyethylcarbamoyl methyl dimethyl ammonium chloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:188 to 1:0.0022, a ratio of Cu(II) 2-aminoethanolate and didecyl dimethyl ammonium chloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:176 to 1:0.08, a ratio of didecyl dimethyl ammonium carbonate and bicarbonate to N-methyl-1,2-benzisothiazolin-3-one is from 1:227 to 1:0.179, a ratio of Cu(II) 2-aminoethanolate to N-methyl-1,2-benzisothiazolin-3-one is from 1:375 to 1:0.004, a ratio of glycerol monolaurate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.143 to 1:0.0004, a ratio of propylene glycol mono-laurate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.286 to 1:0.0286 and a ratio of propylene glycol caprylate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.442 to 1:0.0018.
2. The microbicidal composition of claim 1 in which said at least one microbicide is ethyl lauroyl arginate hydrochloride, and a ratio of ethyl lauroyl arginate hydrochloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:94 to 1:0.0137.
3. The microbicidal composition of claim 1 in which said at least one microbicide is cocamidopropyl-N-2-hydroxyethylcarbamoyl methyl dimethyl ammonium chloride, and a ratio of cocamidopropyl-N-2-hydroxyethylcarbamoyl methyl dimethyl ammonium chloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:188 to 1:0.0022.
4. The microbicidal composition of claim 1 in which said at least one microbicide is Cu(II) 2-aminoethanolate and didecyl dimethyl ammonium chloride, and a ratio of Cu(II) 2-aminoethanolate and didecyl dimethyl ammonium chloride to N-methyl-1,2-benzisothiazolin-3-one is from 1:176 to 1:0.08.
5. The microbicidal composition of claim 1 in which said at least one microbicide is didecyl dimethyl ammonium carbonate and bicarbonate, and a ratio of didecyl dimethyl ammonium carbonate and bicarbonate to N-methyl-1,2-benzisothiazolin-3-one is from 1:227 to 1:0.179.
6. The microbicidal composition of claim 1 in which said at least one microbicide is Cu(II) 2-aminoethanolate, and a ratio of Cu(II) 2-aminoethanolate to N-methyl-1,2-benzisothiazolin-3-one is from 1:375 to 1:0.004.
7. The microbicidal composition of claim 1 in which said at least one microbicide is glycerol monolaurate, and a ratio of glycerol monolaurate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.143 to 1:0.0004.
8. The microbicidal composition of claim 1 in which said at least one microbicide is propylene glycol mono-laurate, and a ratio of propylene glycol mono-laurate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.286 to 1:0.0286.
9. The microbicidal composition of claim 1 in which said at least one microbicide is propylene glycol caprylate, and a ratio of propylene glycol caprylate to N-methyl-1,2-benzisothiazolin-3-one is from 1:0.442 to 1:0.0018.