Rohm and Haas Company

Dow Global Technolgoies LLC

Christine Mary Schultz

Terry Michael Williams

Eileen Fleck Warwick

Christine McInnis

Paul O Schook

Megan Anne Diehl

Usha Gandhi

Dolores Ann Shaw

Li Liang Chia

An aqueous microbicidal composition having two components. The first component is 0.5-5 wt % of a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one. The second component is 1-10 wt % of a nonionic surfactant comprising a C-Calkyl group, an average of 3-7 moles polymerized units of propylene oxide and an average of 5-12 moles polymerized units of ethylene oxide.

Microbicidal composition

Microbicidal compositions containing selected ratios of a non-halogenated 2-alkyl-3-isothiazolone and one or more (C -C ) esters of para-hydroxybenzoic acid are disclosed as improved formulations for controlling microbial growth. In particular the combination of 2-methyl-3-isothiazolone with a mixture of methyl para-hydroxybenzoate and propyl para-hydroxybenzoate is especially effective as a microbicidal component in personal care compositions.

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Horsham, PA, United States of America

Christine Mary Schultz