Abstract: The invention relates to an aqueous biocide composition, containing the following components: (a) 9 wt. % to 20 wt. % 1,2-benzisothiazolin-3-one, (b) a dissolved alkalizing agent, containing 0.95 to 1.05 mol sodium and potassium hydroxide, each based on one mol of the 1,2-benzisothiazolin-3-one present as component (a), and (c) more than 60 wt. % water. The biocide composition is characterized in that the composition: (i) has a pH value in the range of pH 9.5 to pH 11.9, and (ii) the molar fraction of sodium ions, based on the sodium and potassium ions present in the composition, is in the range of 15 to 45 mol %.

Abstract: The invention relates to aqueous benzisothiazoline-3-one dispersions of sodium-1,2-benzisothiazoline-3-one particles dispersed in water. The dispersions contain: (a) between 15 wt.-% and 35 wt.-% of sodium-1,2-benzisothiazoline-3-one; and (b) ad. 100 wt.-% of water having a content of sodium ion in the range from 4 wt.-% to 10 wt.-% with respect to water contained in the dispersion. The invention further relates to the use of the claimed dispersions for preserving water-based products of all types, in particular, cleaning and household products, plastics dispersions, paints, plasters, adhesives, sealing compounds, paper coating materials, textile softeners and sizing agents, washing raw materials, surfactants, polishing agents, spinning baths, cooling lubricants, leather treatment agents and silicone and bitumen emulsions.

Abstract: The invention relates to a method for reducing microbial infestation of an aqueous technical product, comprising the steps: (a) providing an aqueous technical product, for example a dye, having a pH in the range of 7.0-9.5 and containing: i. 25-100 ppm 5-chloro-2-methyl-4-isothiazolone (CMIT) and ii. 50-1000 ppm of one or more zinc compound(s), selected from the group consisting of zinc oxide, zinc carbonate, zinc hydroxide and zinc hydroxycarbonate; (b) breaking down some of the CMIT by adding at least one pyrithione compound selected from sodium pyrithione, potassium pyrithione and calcium pyrithione, in a total amount in the range of 25-500 ppm so that the concentration of the CMIT in the technical product is in the range of 5-15 ppm; and (c) storing the technical product over a period of up to 9 months.

Abstract: The invention relates to a process for preparing 1,2?-benzisothiazoline-3-one according to formula (I), comprising the following steps: (a) reacting a 2-halogenbenzonitrile compound of general formula (II) with a reaction mixture, containing: (i) alkaline sulphide and/or alkaline hydrogen sulphide and (ii) an alkyl halide compound, represented by general formula (III): R1X (III) for producing an intermediate product of general formula (IV), and (b) reacting the intermediate product of general formula (V) obtained in step (a) with a halogenating agent or an oxidant and subsequent reaction of the 2-(alkylsulfoxy)benzonitrile with an acid to form 1,2-benzisothiazoline-3-one as well as a halide compound of general formula (V) R1X (V).

Abstract: The invention relates to an aqueous dispersion comprising the following components: (a) 25 to 60 wt. % of 3-iodo-2-propynyl butyl carbamate (IPBC), (b) 0.05 to 5 wt. % of at least one compound selected from the group consisting of methyl cellulose, hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose and carboxymethyl cellulose, or mixtures of two or more of these, (c) 1 to 10 wt. % of at least one block copolymer based on ethylene oxide and propylene oxide, having a numerically defined average molecular weight of between 1,000 g/mol and 15,000 g/mol, (d) 0.1 to 10 wt. % of at least one thickener and/or anti-settling agent, and (e) up to 100 wt. % of water, in each case based on the total aqueous dispersion. The invention further relates to the use of this dispersion for the protection of technical materials from attack and/or destruction by microorganisms.

Abstract: The invention relates to aqueous benzisothiazoline-3-one dispersions of sodium-1,2-benzisothiazoline-3-one particles dispersed in water. The dispersions contain: (a) between 15 wt.-% and 35 wt.-% of sodium-1,2-benzisothiazoline-3-one; and (b) ad. 100 wt.-% of water having a content of sodium ion in the range from 4 wt.-% to 10 wt.-% with respect to water contained in the dispersion. The invention further relates to the use of the claimed dispersions for preserving water-based products of all types, in particular, cleaning and household products, plastics dispersions, paints, plasters, adhesives, sealing compounds, paper coating materials, textile softeners and sizing agents, washing raw materials, surfactants, polishing agents, spinning baths, cooling lubricants, leather treatment agents and silicone and bitumen emulsions.

Abstract: The invention relates to an aqueous biocide composition, containing the following components: (a) 9 wt. % to 20 wt. % 1,2-benzisothiazolin-3-one, (b) a dissolved alkalizing agent, containing 0.95 to 1.05 mol sodium and potassium hydroxide, each based on one mol of the 1,2-benzisothiazolin-3-one present as component (a), and (c) more than 60 wt. % water. The biocide composition is characterized in that the composition: (i) has a pH value in the range of pH 9.5 to pH 11.9, and (ii) the molar fraction of sodium ions, based on the sodium and potassium ions present in the composition, is in the range of 15 to 45 mol %.

Abstract: The invention relates to a biocidal composition containing 5-chlorine-2-methylisothiazolin-3-one and at least one other component selected from the group consisting of 1,2-benzisothiazolin-3-one, 2-bromine-2-nitropropane-1,3-diol and zinc. The claimed biocidal composition is characterized in that it contains methyl-4-isothiazolin-3-one in the region of between 0-2 wt. %, in relation to the total proportion of 5-chlorine-2-methyl-4-isothiazolin-3-ones. The invention also relates to the use of the claimed biocidal compositions for conserving technical products.

Abstract: The present invention relates to stabilized compositions, or compositions that are stable when stored, comprising: (A) 2.5 to 15% by weight of the isothiazolinone 2-methyl-2H-isothiazolin-3-one and 1,2-benzisothiazolin-one and/or its sodium and/or potassium salt, (B) 0.5 to 50 ppm by weight of copper(II) ions, in relation to the weight fraction of component (A), (C) 100 to 2,500 ppm by weight, in relation to the total composition, of at least one oxidizing agent selected from the group consisting of sodium iodate, potassium iodate, sodium bromate and potassium bromate, or mixtures of these and (D) water. The invention further relates to a process for the preservation of technical materials by means of the aforementioned compositions, as well as the technical materials treated therewith.

Abstract: The present invention relates to a storage stable biocide composition containing the following components: (a) from 2 wt % to 20 wt % of one or more isothiazolinones selected from the group consisting of methylisothiazolin-3-one (MIT), 1,2-benzisothiazolin-3-one (BIT), and N-methyl-1,2-benzisothiazolin-3-one (M-BIT), (b) from 65 wt % to 97 wt % of at least one biocide selected from the following group: phenoxyethanol, phenetyl alcohol, and phenylpropanol, and (c) from 1 wt % to 15 wt % of water. The invention furthermore relates to use of the composition in order to protect technical materials from spoilage and/or degradation as a result of microorganisms.

Abstract: The invention relates to a method for reducing microbial attack of products in the context of which 5-chloro-2-methyl-4-isothiazolin-3-one having a content of 2-methyl-4-isothiazolin-3-one in the range from 0 to 2 wt % based on the total proportion of 5-chloro-2-methyl-4-isothiazolin-3-one is employed and in a subsequent method Step at least largely decomposed. The method according to the invention is further characterized in that in a further method Step at least one further component for post-preservation of the products is employed.

Abstract: The present invention relates to a biocidal composition, which contains 5-chloro-2-methylisothiazolin-3-one and at least one further component chosen from the group consisting of 3-iodo-2-propanyl butylcarbamate, octylisothiazolinone, n-butyl-benzisothiazolinone, phenetyl alcohol, methylparaben, ethylparaben, benzoic acid, sorbic acid, salicylic acid, dehydracetic acid, didecyldimethylammonium chloride, benzalkonium chloride, formaldehyde, glutaraldehyde, (1-hydroxyethylidene)bis-phosphonic acid, N,N-ethylenediamine disuccinate, and polyaspartic acid. The biocidal composition according to the invention is characterized in that it contains methyl-4-isothiazolin-3-one in the range of between 0 and 2 wt. %, in relation to the total amount of 5-chloro-2-methyl-4-isothiazolin-3-one. The invention further relates to the use of the biocidal compositions according to the invention for preserving technical products.

Abstract: The invention relates to a biocidal composition containing 5-chlorine-2-methylisothiazolin-3-one and at least one other component selected from the group consisting of 1,2-benzisothiazolin-3-one, 2-bromine-2-nitropropane-1,3-diol and zinc. The claimed biocidal composition is characterized in that it contains methyl-4-isothiazolin-3-one in the region of between 0-2 wt. %, in relation to the total proportion of 5-chlorine-2-methyl-4-isothiazolin-3-ones. The invention also relates to the use of the claimed biocidal compositions for conserving technical products.

Abstract: The invention relates to a method for reducing microbial attack of products in the context of which 5-chloro-2-methyl-4-isothiazolin-3-one having a content of 2-methyl-4-isothiazolin-3-one in the range from 0 to 2 wt % based on the total proportion of 5-chloro-2-methyl-4-isothiazolin-3-one is employed and in a subsequent method Step at least largely decomposed. The method according to the invention is further characterized in that in a further method Step at least one further component for post-preservation of the products is employed.

Abstract: The present invention relates to a method for producing a coating agent, such as a paint or a plaster, having a 5-chloro-2-methyl-4-isothiazolone content in the range from 0 to 1 ppm, using components which would introduce in total more than 1.5 ppm of 5-chloro-2-methyl-4-isothiazolone into the coating agent.

Abstract: The invention relates to preserved products which contain 1 to 100 ppm of 5-chloro-2-methyl-4-isothiazolin-3-one with a content of 2-methyl-4-isothiazolin-3-one in the range from 0 to 2 wt. % based on the total amount of 5-chloro-2-methyl-4-isothiazolin-3-one, and to the use of 5-chloro-2-methyl-4-isothiazolin-3-one with a content of 2-methyl-4-isothiazolin-3-one in the range from 0 to 2 wt. % based on the total amount of 5-chloro-2-methyl-4-isothiazolin-3-one, for the preservation of products.

Abstract: The present invention relates to a flame-retardant composition that comprises a synergistic flame-retardant mixture, and a method for flame-retarding a polymer by adding the flame-retardant composition. The invention further relates to polymers that contain said flame-retardant composition.

Abstract: The present invention relates to a flame-retardant composition that comprises a synergistic flame-retardant mixture, and a method for flame-retarding a polymer by adding the flame-retardant composition. The invention further relates to polymers that contain said flame-retardant composition.

Abstract: The invention relates to a biocide composition which contains (A) silver, (B) one or more pyrithione(s) and (C) one or more 1,2-benzisothiazolin-3-one derivative(s) as microbiocidal active components.

Abstract: The present invention relates to a flame-retardant composition that comprises a synergistic flame-retardant mixture, and a method for flame-retarding a polymer by adding the flame-retardant composition. The invention further relates to polymers that contain said flame-retardant composition.