Abstract: A composition having biocidal properties is disclosed. The composition includes a first biocide, optionally a second biocide, and a biocide enhancing agent. The first biocide may comprise an isothiazolin. The second biocide may comprise a pyrithione. The biocide enhancing agent may comprise an amine, an amine salt, an amine oxide, or mixtures thereof. The amine compound may have a carbon chain length of at least six carbon atoms, such as at least eight carbon atoms.

Abstract: The present invention, therefore, is directed to an antimicrobial compositions that decreases the bioavailability of iron by introducing a higher-affinity iron-selective chelating agent capable of competing with microbial siderophores. In one aspect, the present invention relates to an antimicrobial composition including a potentiating antimicrobial composition including one or more antimicrobial agents and a chelator having a weight ratio of the antimicrobial agent to the chelator from about 1:1000 to about 1000:1.

Abstract: The present invention relates to a stabilized water treatment composition, containing (i) an effective amount of a hydrogen peroxide source, (ii) a first stabilizing agent, and (iii) a second stabilizing agent; which is essentially free of any peracid-based compounds, derivatives or salts thereof. A method for the using the stabilized water treatment composition to kill or to inhibit the growth of microorganisms such as gram positive or gram negative bacteria, algae, cyanobacteria, viruses, fungi, mildew, mold or combinations thereof, for various water sources such as streams, ponds, lakes, recirculating water systems, surface water, and any other suitable or desirable water sources is also described.

Abstract: A biocide contains a hydrogen peroxide producing compound, in combination with controlled amounts of a chelating agent and a peroxide enhancing agent. In one embodiment, the composition can be used to control an algae population in a water body. The chelating agent and the peroxide enhancing agent synergistically combine with the hydrogen peroxide producing compound to increase the potency and effectiveness of the oxidizer.

Abstract: An electrochemical sensor for the detection and analysis of an analyte in a solution is disclosed. The electrochemical sensor has an electrically non-conductive support; a plurality of electrodes on the support, each electrode formed from an electrode material and having a first surface and an opposite second surface, said first surface facing towards the support and the second surface facing away from the support. The plurality of electrodes includes a reference electrode, a counter electrode, and a working electrode. The working electrode has a reagent composition containing a reagent for detecting an analyte applied directly to the second surface of the working electrode or dispersed throughout the electrode material of the working electrode.

Abstract: A water treatment composition for treating a body of water is provided that provides visual feedback to the end-user of the effectiveness of the composition. The composition contains a majority of calcium hypochlorite particles; and an effective amount of colored particles containing an oxidizable pigment oxidizable dye and a water soluble material. The colored particles release the oxidizable dye to the body of the water to provide a transient color to the recreational water during dissolution of the composition in the body of water, the transient color providing a visual cue to the end-user signaling of the biocidal activity of the composition. Also provided is a method of applying the water treatment composition to recreational water.

Abstract: A plant or algae control composition is disclosed. The composition contains a herbicide and/or algaecide adsorbed onto a solid carrier. The composition may comprise a free-flowing granular product. The solid carrier contains a mixture of different clay materials. Two different clay materials are combined that synergistically mix together to allow for greater amounts of the herbicide or algaecide to be adsorbed onto the particles. The composition is particularly well suited for treating aquatic environments.

Abstract: Provided herein is a method for reducing down-time in a recreational body of water having a water filtering system and water recirculation system after a potential release of Cryptospridium oocyst and/or Giardia cysts. Also described is a kit for practicing the method for reducing down-time in a recreational body of water that may have a potential release of Cryptospridium oocyst and/or Giardia cysts.

Abstract: The present invention provides a composition for treating recirculating or stagnant water. The composition contains a phosphorus-containing compound, which is metaphosphate compound, a polyphosphoric acid or a polyphosphate, and one or more zinc compounds. The phosphorus-containing compound is a compound which is not readily hydrolyzable to an orthophosphate. In another aspect of the present invention, provided is a method of controlling algae in a body of recirculating or stagnant water using the composition.

Abstract: A plant or algae control composition is disclosed. The composition contains a herbicide and/or algaecide combined with an amplifying agent. The amplifying agent may comprise a polypeptide, such as a protein. The amplifying agent is added in an amount sufficient for the efficacy of the herbicide and/or algaecide to be improved. For instance, the presence of the amplifying agent allows for the herbicide and/or algaecide to be used at lower concentrations but have the same potency.

Abstract: A package system is disclosed for dispensing controlled amounts of a chemical agent. The package system includes an outer package that is generally gas and liquid impermeable. The outer package contains an inner package made from a degradable material, such as a material that is water degradable. The inner package contains a measured amount of a chemical agent. The chemical agent may be difficult to handle and may have corrosive properties, may be an oxidizer, or the like. The package system facilitates dispensing the chemical agent into a particular environment. In one embodiment, the package system is designed to hold a chemical agent for treating recreational water sources, such as swimming pools.

Abstract: A composition is described that may be used in personal care products. The composition can serve as a preservative. In addition or alternatively, the composition may serve as a fragrance and/or as a coloring agent. The composition can contain an active compound, an organic acid, a solvent, and optionally a dispersant. In one embodiment, the active compound and the organic acid comprise all natural ingredients.

Abstract: An electrochemical sensor for the detection and analysis of an analyte in a solution is disclosed. The electrochemical sensor has an electrically non-conductive support; a plurality of electrodes on the support, each electrode having a first surface and an opposite second surface, said first surface facing towards the support and the second surface facing away from the support. The plurality of electrodes includes a reference electrode, a counter electrode, and a working electrode. The working electrode has a reagent composition containing a reagent for detecting an analyte applied directly to the second surface of the working electrode.

Abstract: Disclosed herein is a cost effective and environmentally friendly process to prepare 1-hydroxy-6-substituted pyridones from 2,6-dichloropyridine.

Abstract: A method of preparing a silicon-containing polymeric structure coated/encapsulated active ingredient is disclosed. The method has the steps of providing an insoluble active ingredient; dispersing the active ingredient in a liquid medium to form a suspension of the active ingredient; adding a silicon-containing polymeric structure precursor to the suspension; and reacting the precursor to form the silicon-containing polymeric structure. The silicon-containing polymeric structure is formed around the active ingredient, thereby forming a silicon-containing polymeric structure coated/encapsulated active ingredient. The silicon-containing polymeric structure coated/encapsulated active ingredient may be used in place of the active ingredient itself.

Abstract: Disclosed herein is a composition that is suitable for influencing electromagnetic radiation on cutaneous extracellular matrix protein production. The composition contains (a) a proanthrocyanin, a polyphenol or a proanthrocyanin/polyphenol-containing plant extract, absorbed or adsorbed onto an inert carrier, where component (a) is responsive to UV, IR or visible light; (b) a photo-activatable amino acid or amino acids blend; and (c) a dermatologically-acceptable vehicle, wherein component (a) is present in an amount of from about 15 wt % to about 35 wt % based on the total amount of component (a) and component (b), said component (b) is present in an amount of from about 65 wt % to about 85 wt % based on the total amount of component (a) and component (b), and said component (c) is present in an amount of from about 90 wt % to about 99.95 wt % based on the total weight of the composition.

Abstract: The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.

Abstract: The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.

Abstract: A composition containing unique particles of copper pyrithione wherein greater than 20 wt % to 90 wt % of the particles have a particle size of greater than 10 microns, as determined by laser light scattering using a particle size distribution analyzer, and wherein the particles are flat acicular needle-shaped is described herein. Also described herein is an antifouling paint containing the copper pyrithione and a method of making the composition and antifouling paint.

Abstract: Building material products, particularly wallboard, are disclosed that are mold resistant. A mold inhibitory composition is contained in one component of the building material product. The mold inhibitory composition comprises a pyrithione in combination with at least one potentiator. The potentiator can comprise a metal chelate, a membrane permeabilizer, or another microorganism weakening agent.