Dow Global Technolgoies LLC

Rohm and Haas Company

Usha Gandhi

Terry Michael Williams

Christine McInnis

Paul O Schook

Bei Yin

Kiran Pareek

Nigel G Watson

Christine Mary Schultz

Christine Mcinnis

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 4,4-dimethyloxazolidine. The weight ratio of the nonionic surfactant to 4,4-dimethyloxazolidine is from 1:0.0286 to 1:0.1143 or 1:0.32 to 1:0.9143.

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is tris(hydroxymethyl)nitromethane. The weight ratio of the nonionic surfactant to tris(hydroxymethyl)nitromethane is from 1:0.16 to 1:1.8286.

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 2-decylthioethylamine. The weight ratio of the nonionic surfactant to 2-decylthioethylamine is from 1:0.004 to 1:0.0137 or 1:0.016 to 1:0.4571.

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is 2-bromo-2-nitropropane-1,3-diol. The weight ratio of the nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286.

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is a benzoate or sorbate salt. The weight ratio of the nonionic surfactant to the benzoate or sorbate salt is from 1:0.12 to 1:109.7646.

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 2-methyl-4-isothiazolin-3-one. The weight ratio of the nonionic surfactant to 2-methyl-4-isothiazolin-3-one is from 1:0.005 to 1:1.3714.

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is phenoxyethanol. The weight ratio of the nonionic surfactant to phenoxyethanol is from 1:1 to 1:18.2766.

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.

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Hatboro, PA, United States of America

Usha Gandhi