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| Number | Title | Issue Date |
| 7618545 | Method for treating ship ballast water A method for treating ship ballast water in which organisms viable in the ship ballast water are exterminated by adding to the ship ballast water hydrogen peroxide or a compound producing hydrogen peroxide in an amount such that a hydrogen peroxide concentration com... | 11/17/2009 |
| 7449119 | Methods for controlling and removing bacterial cell membrane fragments from turbulent waters Compositions containing chlorine and/or bromine in combination with chlorine dioxide are found to be synergistic against non-tuberculosis mycobacterium such as Mycobacteria chelonae. ... | 11/11/2008 |
| 7441665 | Water purification cartridge The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable water at low flow rates typically found in gravity feed filtration sy... | 10/28/2008 |
| 7438815 | Inhibiting ammonia emissions and odors from animal wastes with oil Lipids, such as plant oils and animal fats, are effective for treatment of animal wastes to inhibit both the emission of ammonia and other odors, and the discharge of particulate matter, microorganisms, and endotoxins, therefrom. Inhibition of ammonia volatilization... | 10/21/2008 |
| 7347934 | Biocide A two part biocide composition containing metal ions and bromine donor for killing microorganisms in a body of water and a method of killing microorganisms in a body of water by placing both metal ions and a bromine in the body of water to allow use of lower concent... | 03/25/2008 |
| 7329385 | Device and method for air stream, fluid and vessel decontamination A device for air stream, fluid and vessel decontamination generally comprises an air-inlet portion, through which air enters the device; an iodine-treatment portion; and a bubble-forming element through which iodine-laden air bubbles are released from the device int... | 02/12/2008 |
| 7320761 | Method for purifying water The invention relates to a method for purifying water by dissolving one or more soluble metal salts in the water to provide corresponding metal ions, by dissolving hypohalite into the water, and by regulating the residence time, and thus hypohalite concentration in ... | 01/22/2008 |
| 7320758 | Method for control of microorganisms in metalworking fluid A method for disinfecting microorganisms in metalworking fluids without leaving behind unacceptable amount of chemicals in the treated fluids. The method comprises passing the fluid in a recirculating cooling system through a filter, which contains a demand disinfec... | 01/22/2008 |
| 7311878 | Method and apparatus for producing synergistic biocide An apparatus and methods to produce synergistic mixtures (or combinations) of haloamines to control growth of microorganisms in aqueous systems are disclosed. The apparatus and methods to produce synergistic mixtures entails producing a batch quantity of a haloamine... | 12/25/2007 |
| 7309444 | Layered tablet water treatment compositions and method of use The present invention relates generally to novel water treatment compositions. More particularly, the invention relates to solid water treatment compositions in the form of a water soluble tablet containing at least one halogen source and at least a pH compensating ... | 12/18/2007 |
| 7304312 | Ultraviolet reflecting compositions Thermoplastic compositions that reflect ultraviolet light are provided herein, along with articles of manufacture and methods of fluid purification using the same. The thermoplastic compositions preferably comprise a suitable thermoplastic material and microparticle... | 12/04/2007 |
| 7285255 | Deodorizing and sanitizing employing a wicking device A device and method for sanitizing and deodorizing including the selective transportation of a sanitizing composition by the capillary action of a wick to an acidic composition which may be held in a reservoir, or which also may be selectively transported through th... | 10/23/2007 |
| 7285223 | Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals Continuous breakpoint halogenation with hydroxyl free radical species is used to increase the rate of sanitization a water system and maintain a high rate of oxidation in the bulk water of the pool, spas, and other water systems despite the presence of accumulated d... | 10/23/2007 |
| 7273585 | Biological fluid disposal system A biological fluid disposal system having a water flow line, a biological fluid line in fluid communication with the water flow line, a disinfectant line in fluid communication with the water flow line and the biological fluid line, and a venturi connected to one of... | 09/25/2007 |
| 7258783 | Fluid delivery system for a water tub using a removeable chemical carrier A water tub including a fluid delivery system utilizes a removeable carrier to provide fluids to the fluid delivery system. In some instances, the carrier is disposable such that depletion of the fluids within the container results in the carrier being thrown away a... | 08/21/2007 |
| 7258802 | Method for controlling bacterial growth in process water A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process water that mitigates the growth of microbes in the water. The biocide... | 08/21/2007 |
| 7255796 | Method of preventing hydrogen sulfide odor generation in an aqueous medium The present invention relates to a fast acting chemical treatment for preventing the generation of hydrogen sulfide odor by the microbial metabolic activities of sulfate reducing bacteria. Specifically, the invention relates to a method for preventing hydrogen sulfi... | 08/14/2007 |
| 7255797 | Composition including potassium monopersulfate and a halogen A product including potassium monopersulfate and a halogen is presented. The product is useful for treatment of aquatic facilities such as swimming pools. While it was known that using a combination of potassium monopersulfate and halogen is effective for sanitizing... | 08/14/2007 |
| 7252096 | Methods of simultaneously cleaning and disinfecting industrial water systems On-Line and Off-Line methods of simultaneously cleaning and disinfecting an industrial water system are described and claimed. The methods involve the addition to the water of the industrial water system of a Compound selected from the group consisting of the alkali... | 08/07/2007 |
| 7252771 | Method and device for decontaminating waters which are loaded with organic halogen compounds (halogenated hydrocarbons) The invention relates to a process and a device for decontaminating waters, especially groundwaters, which are heavily and complexly polluted with organic halogen compounds (HHC), in which process the contaminated waters are pre-treated in order to convert low-volat... | 08/07/2007 |
| 7250111 | Potable water delivery system with disinfection and residual discharge unit and method A water disinfection delivery treatment system first filters the supply by a particle and then a carbon filter. The partially treated flow is split in two and a first part passes through a first cutoff valve and is fed into a disinfection (iodine) chamber, filter or... | 07/31/2007 |
| 7244363 | Methods for treating heavy halide brines with permanganates The present invention relates to the use of permanganate in the removal of heavy metal contaminants from heavy halide brines. In some embodiments, the present invention discloses methods of treating heavy halide brines that comprise providing a heavy halide brine th... | 07/17/2007 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7238290 | Catalytic oxidation of peroxy salts Transition metal ions have the ability to increase the oxidation performance of the inorganic peroxy salts at room temperature by possibly lowering their activation energy or by producing more reactive free radicals. When two transition metal salts are used together... | 07/03/2007 |
| 7204931 | Stable composition with enhanced biocidal and virucidal effect A storable, stable composition that provides the effective antimicrobial benefits of halogenated agents is presented. The invention includes a water-soluble biocidal composition. The composition includes: about 0.01 to about 10 wt. % of a water-soluble inorganic hal... | 04/17/2007 |
| 7195782 | Concentrated aqueous bromine solutions and their preparation Described is a process of producing a concentrated liquid biocide formulation. Mixed together are (a) bromine chloride or bromine and (b) an aqueous solution of alkali metal salt of sulfamic acid having a pH of at least about 7, in amounts such that (i) the active b... | 03/27/2007 |
| 7189329 | Control of development of biofilms in industrial process water There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of microorganisms having biofilm developing potential. Other embodiments are also d... | 03/13/2007 |
| 7147786 | Method and apparatus for purifying-water The invention relates to a method for purifying water by dissolving one or more soluble metal salts in the water to provide corresponding metal ions, by dissolving hypohalite into the water, and by regulating the residence time, and thus hypohalite concentration in ... | 12/12/2006 |
| 7132579 | Method of chlorine purification and process for producing 1,2-dichloroethane A method for chlorine purification in which crude chlorine containing nitrogen and/or oxygen is purified to separate the nitrogen and oxygen from the chloride, characterized in that the crude chlorine containing nitrogen and/or oxygen is contacted with 1,2-dichloroe... | 11/07/2006 |
| 7090780 | Bactericide for use in water treatment, method for water treatment and apparatus for water treatment A water-treating microbicide, containing an inorganic acid and a corrosion inhibitor, and further containing a carboxylic acid having 8 or less carbon atoms or any of alkali metal salts thereof. The present invention can provide a water-treating microbicide, water t... | 08/15/2006 |
| 7087251 | Control of biofilm A method of eradicating or at least substantially reducing biofilm on a surface in contact with water, or which comes in contact with water, which method comprises introducing into such water a concentrated aqueous biocidal composition formed from bromine chloride a... | 08/08/2006 |
| 7087209 | Method for producing a halide brine A method for producing halide brine wherein an alkali and a reducing agent are added to an aqueous fluid having a density greater than 8.30 lb/gal., (0.996 kg/L) water, waste water or sea water for example. The resulting fluid is then contacted with a halogen to for... | 08/08/2006 |
| 7067063 | Process and compositions for the disinfection of waters A process for killing microorganisms and controlling biofouling in high chlorine demand waters comprises mixing two components, one of which is an oxidant and the other an ammonium salt, and adding the mixture immediately to the aqueous system to be treated. ... | 06/27/2006 |
| 7052614 | Control of development of biofilms in industrial process water There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of microorganisms having biofilm developing potential. There is also provided a met... | 05/30/2006 |
| 7033509 | Methods and processes for iodine disinfection An iodine purification process comprising; a source of fluid; means for delivery of iodine to the source of fluid for use in the purification process; the process further comprising means for recovery of the iodine and/or iodine and/or other iodine species derived f... | 04/25/2006 |
| 7014781 | Methods and articles for maintaining hydantoinylated polymers in a biocidally active state A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that f... | 03/21/2006 |
| 6998049 | Method for preventing the formation of biological films The invention relates to a method for improving the performance of filtration devices by adding P- and/or N-containing compounds to the medium to be filtered. ... | 02/14/2006 |
| 6982040 | Method and apparatus for purifying water The invention relates to a method for purifying water by dissolving one or more soluble metal salts in the water to provide corresponding metal ions, by dissolving hypohalite into the water, and by regulating the residence time, and thus hypohalite concentration in ... | 01/03/2006 |
| 6919364 | Microbiological control in animal processing Fecal bacterial contamination in an animal is reduced by providing it with drinking water containing a microbiocidally-effective amount of halogen-based microbiocide resulting from mixing with water (A) a product formed in water from (i) bromine, chlorine, or bromin... | 07/19/2005 |
| 6908636 | Microbiological control in poultry processing In the processing of poultry, equipment, instruments, apparatus and/or water used in such processing, and/or carcasses and/or parts of poultry resulting from the processing of poultry, are disinfected with aqueous solutions of certain halogen-based microbiocides, es... | 06/21/2005 |
