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US 9,290,710 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.
Claims2
A synergistic antimicrobial composition comprising:
- (a) tetrakis(hydroxymethyl)phosphonium sulfate;
- and (b) a second biocide which is ortho-phenylphenol or its alkali metal or ammonium salts;
- wherein a weight ratio of
- tetrakis(hydroxymethyl)phosphonium sulfate to ortho-phenylphenol or its alkali metal or ammonium salts is from 9:1 to 3:1 or 2.25:1 to 1:2.25.
1 more element
Dependencies are inferred from the claim text.