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Improved Preservative System

November 14, 2005

● Patent No. US 6,608,013 B1: Colgate-
Palmolive patented an improved
preservative for a light duty liquid
cleaning composition comprising a
paraffin or a linear alkyl benzene sulfonate
surfactant, at least one other
surfactant, 2-bromo-2nitropropane-
1,3diol, a tetrasodium iminodisuccinate
and water. The composition does not
contain gluconic acid, ethylene
diaminetetraacetate sodium salt, 5-
bromo-5-nitro-1,3dioxane, any abrasives,
silicas, alkaline earth metal carbonates,
alkyl glycine surfactants,
cyclic imidinium surfactants, alkali
metal carbonates or more than 3% by
weight of a fatty acid or salt.

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