| ARCH CHEMICALS, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20160135465 | Building Materials Having Antifungal Properties - 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. | 05-19-2016 |
| 20140301964 | Multi-Functional Composition For Cosmetic Formulations - 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. | 10-09-2014 |
| 20140296371 | Synthesis of Copper Pyrithione From Zinc Pyrithione and Copper Compound - 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. | 10-02-2014 |
| 20140178315 | Topical Compositions Comprising Ionic Fluids - The present invention relates to anhydrous or essentially anhydrous compositions intended for topical application on keratinaceous surfaces, wherein the composition includes a) an ionic fluid and b) a thickener. The compositions are advantageous for allowing the ionic fluid to act as the continuous phase of a topical formulation. | 06-26-2014 |
| 20140154189 | Biocidal Compositions Comprising Iron Chelators - 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. | 06-05-2014 |
| 20140038933 | Composition and Method For Preventing Discoloration of Pyrithione Containing Compositions - The present invention provides a composition containing a pyrithione compound and a pyranone compound and a method of reducing discoloration of compositions containing pyrithione compounds. The composition may be a soap composition. | 02-06-2014 |
| 20130261309 | Process for Preparing Alkali Metal Pyrithione and its Polyvalent Metal Complexes from Pyridine Oxide - The present invention generally relates to a novel process for preparing alkali metal pyrithione from pyridine N-oxide, using a sulfurination agent and a base agent. In particular, the present invention relates to an efficient process for preparing polyvalent metal complexes of sodium pyrithione from the alkali metal pyridine N-oxide described herein. | 10-03-2013 |
| 20130217575 | COMPOSITIONS FOR TREATING WATER SYSTEMS - The present invention relates to treatment of water, and more specifically to treatment of water using a stable formulation of polyhexamethylene biguanide (PHMB) and a liquid or solid zinc salt for the application and prevention algae in recirculated and stagnant water systems. The invention also encompasses methods of treating water that already contains PHMB. | 08-22-2013 |
| 20130211093 | Process for the Preparation of 1-Hydroxy-6-Substituted Pyridones - Disclosed herein is a cost effective and environmentally friendly process to prepare 1-hydroxy-6-substituted pyridones from 2,6-dichloropyridine. The process includes the steps of (a) reacting 2,6-dichloropyridine with hydrogen peroxide in the presence of trifluoroacetic acid at a first temperature to produce a first intermediate containing (1) trifluoroacetic acid and (2) 2,6-dichloropyridine N-oxide and/or salts thereof; (b) adding sulfuric acid to the first intermediate to provide a second intermediate; (c) removing trifluoroacetic acid from the second intermediate to provide a composition containing 2,6-dichloropyridine N-oxide and/or salts thereof which is essentially free of trifluoroacetic acid; (d) reacting 2,6-dichloropyridine N-oxide and/or salts thereof from step (c) with RXH and a base wherein each R is independently a substituted or unsubstituted hydrocarbyl group having between 1 and 20 carbon atoms, X is oxygen or sulfur, to produce a corresponding 2,6-disubstituted-pyridine N-oxide; and (e) heating the disubstituted compound thereby producing the 1-hydroxy-6-substituted pyridone. | 08-15-2013 |
| 20130183362 | SYNTHESIS OF ZINC ACRYLATE COPOLYMER FROM ACID FUNCTIONAL COPOLYMER, ZINC PYRITHIONE, AND COPPER COMPOUND - Disclosed is a composition containing zinc ester functional polymer and particulate copper pyrithione, wherein the particles have an average aspect ratio within a range of from about 8 to about 15, where the zinc ester functional polymer and the copper pyrithione are obtained by reacting an acid functional polymer with zinc pyrithione and a copper salt or a copper carboxylate. Also disclosed is an antifouling coating containing such a composition. | 07-18-2013 |
| 20130178474 | WATER TREATMENT COMPOSITION CONTAINING HALOGEN-RELEASING COMPOUND AND FLUOROPOLYMER - The present invention is directed to a water treatment composition, containing 50-99.9 wt. % of particulate halogen-releasing compound; and 0.1-10 wt. % of granular fluoropolymer, wherein all weight percentages are based on the total weight of the composition. The present invention is also directed to a water treatment composition, containing 50-99 wt. % of particulate halogen-releasing compound; 1-10 wt. % of aluminum sulfate; 0.5-15 wt. % of a sulfate salt selected from the group consisting of copper sulfate, zinc sulfate, and combinations thereof; and 0.1-10 wt. % of particulate polytetrafluoroethylene polymer, wherein all weight percentages are based on the total weight of the composition. One particular halogen-releasing compound is trichloroisocyanuric acid. | 07-11-2013 |
| 20130161268 | CHEMICAL FEEDER INCLUDING DILUTION CONTROL SYSTEM - A chemical feeder for producing a solution of dissolved chemical material that includes a hopper, a pump, a water supply line that extends from the pump, a chemical solution preparation unit that has a reservoir and a dissolution device and a dilution control device that are each connected to the water supply line. The dissolution device has a spray manifold to spray water towards the hopper that contains solid chemicals to contact and dissolve the chemical material. The dilution control device sprays water in a direction opposite the spray manifold and into the reservoir to aid in adjusting the concentration of a chemical solution and to arrive at a desired chemical concentration range. Thus, the dilution control device allows the chemical feeder to be used in a wide range of applications. | 06-27-2013 |
| 20130136803 | COMPOSITIONS FOR ALGAE TREATMENT IN RECIRCULATING AND STAGNANT WATER SYSTEMS - 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. | 05-30-2013 |
| 20130128687 | RAPID RATE CHEMCIAL SOLUTION GENERATOR - A rapid rate chemical solution generator system and a method of generating a chemical solution from the system to rapidly treat a body of water. The system and method are especially useful in emergency situations. The system includes a tank for mixing chemical material with water, a hopper for storage of the chemical material, a gate valve disposed between the tank and hopper, a mixer to agitate and blend the chemical material with the water and form the chemical solution and a pump to aid in drawing the chemical solution out of the tank and toward a desired application. The system is configured to provide long-term storage of the chemical material in the hopper, while keeping the chemical material available for rapid delivery to the tank when needed. | 05-23-2013 |
| 20120207861 | BIOCIDAL COMPOSITION AND METHOD FOR TREATING RECIRCULATING WATER SYSTEMS - The present invention is directed to a composition for treating recirculating water systems, comprising: (1) a biocidal effective amount of a first nonoxidizing biocide comprising biguanide; and (2) a biocidal effective amount of a second nonoxidizing biocide comprising dibromonitrilopropionamide (DBNPA); wherein the composition is substantially free from oxidants. The present invention is also directed to a method of controlling the growth of microorganisms in recirculating water systems, comprising the step of treating the recirculating water systems with the above composition. | 08-16-2012 |
| 20120195979 | TREATMENT COMPOSITION FOR RECREATIONAL WATER - The present invention is directed to a treatment composition for recreational water, comprising a high molecular weight water soluble resin composition made from long chain alkoxylated polymers or co-polymers that impart emollient properties to the recreational water, as well as articles of manufacture comprising packaging material and the treatment composition for recreational water contained within the packaging material. The present invention is also directed to methods for treating recreational water, and recreational water treated with the above treatment composition. | 08-02-2012 |
| 20090317486 | WEEKLY FLOATER POOL SANITIZER - A composition for the treatment of a liquid, particularly a body of water, such as a swimming pool, spa, or the like. The composition includes calcium hypochlorite, a water soluble zinc salt for controlling algae, and sodium aluminate as an agglomerating agent that may safely be combined with said calcium hypochlorite and said zinc salt. A floating chemical dispenser for containing and dispensing chemicals to treat a body of water. The dispenser includes an upper end float, a container adapted to contain chemicals, the container removably joined with the upper end float, and a free end float joined with the container. The free end float is configured so that a central axis of the container and upper end float is not substantially orthogonal to a surface of the water. | 12-24-2009 |
