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US 9,686,996 B2Granted
Synergistic antimicrobial composition
AssigneeDow Global Technologies LLC
InventorBei Yin
Life of this patent
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Abstract
A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts.
Claims1
A synergistic antimicrobial composition comprising:
- (a) tetrakis(hydroxymethyl)phosphonium sulfate and (b) hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine;
- wherein a weight ratio of tetrakis(hydroxymethyl)phosphonium sulfate to hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine is from 9:1 to 1:9.
Dependencies are inferred from the claim text.