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| Number | Title | Issue Date |
| 7976725 | Cyclic process for the efficient generation of chlorine dioxide in dilute solutions An efficient cyclic process and related compositions for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH. The cyclic process provides a means of safe and effective use of chlorine dioxide with reduced concern of... | 07/12/2011 |
| 7935271 | Compositions, systems, and/or methods involving chlorine dioxide Certain exemplary embodiments can provide a composition of matter comprising a solid form of chlorine dioxide complexed with a cyclodextrin. When stored, a concentration of the chlorine dioxide in the composition of matter can be retained, with respect to an initial... | 05/03/2011 |
| 7927509 | Cyclic process for the efficient generation of chlorine dioxide in dilute solutions An efficient cyclic process and related compositions for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH. The cyclic process provides a means of safe and effective use of chlorine dioxide with reduced concern of... | 04/19/2011 |
| 7927508 | Composition and process for enhanced sanitation and oxidation of aqueous systems An efficient cyclic process and related compositions for the in-situ generation of oxyhalogens from anions of chloride, bromide and chlorite in an aqueous system using in-situ generated sulfate free radicals. The cyclic process and compositions enhance the rate of i... | 04/19/2011 |
| 7922933 | Composition and method for enhanced sanitation and oxidation of aqueous systems This invention relates to a method for enhanced sanitation and oxidation of aqueous solutions at aquatic facilities. The method provides a means for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH, and enhanced ... | 04/12/2011 |
| 7323138 | Method for extending the storage life of an article A method for treating an article which involves exposing an article within a space to a concentration of chlorine dioxide gas that exceeds the IDLH, STEL or TLV, then reducing the concentration of chlorine dioxide gas within the space to a positive quantity below th... | 01/29/2008 |
| 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 |
| 7273567 | Energy-activated compositions for controlled sustained release of a gas A composition for energy-controlled generation and release of at least one gas, which includes an energy-activated catalyst capable of being activated by electromagnetic energy, and a solid or a liquid containing anions capable of being oxidized by the activated cat... | 09/25/2007 |
| 7252772 | Method for producing an essentially chlorite-free, stable aqueous chlorine-oxygen solution, the chlorine-oxygen solution obtained by means of said method, and the use of the same The invention relates to a method for producing an essentially chlorite-free, stable, aqueous chlorine-oxygen solution. Said method comprises the following steps: (1) a hydrogen sulfate compound is dissolved in water, (2) an acid is added to the aqueous solution con... | 08/07/2007 |
| 7243788 | Package for segregating and mixing substances The present invention relates to a package that includes an enclosure having a first substance and a second substance within the enclosure. The package further includes a plastic zipper which segregates the first substance from the second substance within the enclos... | 07/17/2007 |
| 7241435 | System and process for producing halogen oxides A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes mixing a dilute aqueous alkali metal halite solution with a mixture of protic acids to produce an effluent containing a halous acid; and contacting the effl... | 07/10/2007 |
| 7220367 | Method and system for the controlled release of chlorine dioxide gas Method, composition and system for generating chlorine dioxide gas in a controlled release manner by combining at least one metal chlorite and a dry solid hydrophilic material that reacts with the metal chlorite in the presence of water vapor, but does not react wit... | 05/22/2007 |
| 7195744 | Device for holding a container for a composition that produces an antimicrobially active gas A device and method for cleaning and deodorizing a unit having an enclosed space not otherwise easily accessible for cleaning and deodorizing. ... | 03/27/2007 |
| 7182883 | Massive bodies containing free halogen source for producing highly converted solutions of chlorine dioxide A massive body, e.g., a tablet, for producing a solution of chlorine dioxide when the massive body is added to liquid water. The massive body comprises a metal chlorite such as sodium chlorite, an acid source such as sodium bisulfate and a source of free halogen suc... | 02/27/2007 |
| 7160484 | Method and device for the production of an aqueous solution containing chlorine dioxide The present invention is generally directed to a method of producing an aqueous solution of chlorine dioxide from the reaction of a metal chlorite and an acid forming component which do not react to produce chlorine dioxide in the substantial absence of water. The r... | 01/09/2007 |
| 7153488 | Suppression of the formation of noxious substances during chloride processes The present invention is directed to the suppression of the formation noxious compounds such as furans. According to the present invention, a venturi device is used to rapidly quench a chlorinator reaction gas. The rapid quench minimizes the resonance time that fura... | 12/26/2006 |
| 7150854 | Device for generating aqueous chlorine dioxide solutions The invention pertains to a device for generating aqueous chlorine dioxide solutions when the device is contacted with liquid water. The device comprises an alkali metal or alkaline earth metal chlorite, e.g., sodium chlorite, and a chemical reagent comprising an ac... | 12/19/2006 |
| 7122376 | Calibration standards, methods, and kits for water determination The invention relates to a formed tablet calibration standard-reagent for calibrating Karl Fischer reactions for determining water content in a substance, the reagent containing a first component, namely sodium tartrate dihydrate, and a second component, namely magn... | 10/17/2006 |
| 7087190 | Composition for the production of chlorine dioxide using non-iodo interhalides or polyhalides and methods of making and using the same A composition for the generation of chlorine dioxide including at least one non-iodo interhalide, polyhalide or salt thereof having the formula BrmClnFoXp wherein m=0–3, n=0–4, o=0–3, p=0–2, X i... | 08/08/2006 |
| 7087208 | Methods for making chlorous acid and chlorine dioxide Chlorous acid is generated from a chlorite salt precursor, a chlorate salt precursor, or a combination of both by ion exchange. The ion exchange material facilitates the generation of chlorous acid by simultaneously removing unwanted cations from solution and adding... | 08/08/2006 |
| 7077297 | Method for preparation of biocides mixed with carbon dioxide in a pressurized container This invention relates to a method for the preparation and metering of substances, mixtures of substances and/or compounds in general, characterized by bacteriostatic and/or bactericidal activity, using a single pressurized container in which the substances, mixture... | 07/18/2006 |
| 7070710 | Chemical composition and method The invention relates to a novel composition useful as a feed at production of chlorine dioxide, said composition being an aqueous solution comprising from about 1 to about 6.5 moles/liter of alkali metal chlorate, from about 1 to about 7 moles/liter of hydrogen per... | 07/04/2006 |
| 6936267 | Anti-acne compositions and methods of use The present invention relates to a composition for the treatment of acne comprising chlorine dioxide or chlorine dioxide generating compounds as acne reduction agents. The invention also relates to a method for treating acne by topically administering one of the com... | 08/30/2005 |
| 6913741 | System and process for producing halogen oxides A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes feeding a dilute aqueous alkali metal halite solution into a cation exchange column, wherein the cation exchange column contains a cation exchange material;... | 07/05/2005 |
| 6764661 | Device for producing an aqueous chlorine dioxide solution A device for producing an aqueous chlorine dioxide solution when placed in water. The device includes a membrane shell that defines a compartment which includes one or more dry chemicals (e.g., a metal chlorite and an acid) capable of producing chlorine dioxide gas ... | 07/20/2004 |
| 6699404 | Massive bodies containing free halogen source for producing highly converted solutions of chlorine dioxide A massive body, e.g., a tablet, for producing a solution of chlorine dioxide when the massive body is added to liquid water. The massive body comprises a metal chlorite such as sodium chlorite, an acid source such as sodium bisulfate and a source of free ... | 03/02/2004 |
| 6676850 | Method, composition and system for the controlled release of chlorine dioxide gas Method, composition and system for generating chlorine dioxide gas in a controlled release manner by combining at least one metal chlorite and a dry solid hydrophilic material that reacts with the metal chlorite in the presence of water vapor, but does no... | 01/13/2004 |
| 6660287 | Prevention of spoilage of produce using acidified expanded amorphous aluminum silicate impregnated with chlorite Expanded amorphous aluminum silicate (EAAS) is used as a vehicle for a chlorite salt. This vehicle, when exposed to moisture, will release chlorine dioxide (ClO2) for purposes of deodorization or microbial suppression. Thus, where a particular ... | 12/09/2003 |
| 6620380 | Method, device and composition for the sustained release of an antimicrobial gas A unitary container housing having a plurality of sealed compartments each containing a dry composition which will gradually release an antimicrobially active gas upon exposure to moist air, and each compartment being separately openable to expose its con... | 09/16/2003 |
| 6602442 | Composition for generating chlorine dioxide A dry disinfectant composition for the production of aqueous solutions of chlorine dioxide of predetermined concentration is formulated of a mixture of lithium hypochlorite, sodium bisulfate and sodium chlorite. Special liquid and dry formulations are als... | 08/05/2003 |
| 6555085 | Method of improving yield of chlorine dioxide generation processes A greater yield of chlorine dioxide from a chlorine dioxide generating process is obtained by providing acidic or acidity-generating components in the product chlorine dioxide solution to provide a chlorine dioxide solution having a pH below about 5.5.... | 04/29/2003 |
| 6503419 | Method of producing chlorine dioxide using sodium chlorite and a water-retaining substance impregnated in zeolite or in aqueous solution A method for producing chlorine dioxide by activating zeolite crystals (which have been impregnated with metal chlorite such as sodium chlorite, and optionally also a water-retaining substance such as magnesium sulfate, potassium chloride, potassium hydro... | 01/07/2003 |
| 6451253 | High concentration chlorine dioxide gel composition High concentration chlorine dioxide gel compositions are prepared for disinfectant, deodorizing and for like uses. The preferred gel compositions are prepared from xanthan, guar or like gums.... | 09/17/2002 |
| 6432322 | Massive bodies for producing highly converted solutions of chlorine dioxde Massive bodies for rapidly and safely preparing highly converted solutions of chlorine dioxide are disclosed. These massive bodies when added to water produce more chlorine dioxide than when the equivalent weights of the ingredients in powder form are add... | 08/13/2002 |
| 6399039 | Method for the synthesis of chlorine dioxide Chlorine dioxide is generated from an aqueous solution of sodium chlorite in the presence of a catalyst having a reduced rate of deactivation. The catalyst is preferably palladium, or palladium together with another platinum group metal (e.g., Pd+Pt), or ... | 06/04/2002 |
| 6387344 | Chemical composition and method The invention relates to a novel composition useful as a feed at production of chlorine dioxide, said composition being an aqueous solution comprising from about 1 to about 6.5 moles/liter of alkali metal chlorate, from about 1 to about 7 moles/liter of h... | 05/14/2002 |
| 6379643 | Method of producing chlorine dioxide using sodium chlorite and a water-retaining substance in aqueous solution A method for producing chlorine dioxide by activating zeolite crystals (which have been impregnated with metal chlorite such as sodium chlorite, and optionally also a water-retaining substance such as magnesium sulfate, potassium chloride, potassium hydro... | 04/30/2002 |
| 6328909 | Frozen chlorine dioxide-containing composition and methods related thereto A frozen chlorine dioxide-containing composition comprising a metal chlorite and a protic acid in a frozen aqueous matrix made by freezing a substantially chloride dioxide-free aqueous solution comprising a metal chlorite at a concentration ranging from a... | 12/11/2001 |
| 6325970 | Preparation and use of biocidal solutions A method comprises feeding a chlorite, a chlorine donor, and an acid into a water line connected to a water system through which water is flowing, or a mixing chamber connected to a water system, wherein the chlorite and chlorine donor being present in a ... | 12/04/2001 |
| 6294108 | Composition for the controlled release of chlorine dioxide gas Method, composition and system for generating chlorine dioxide gas in a controlled release manner by combining at least one metal chlorite and a dry solid hydrophilic material that reacts with the metal chlorite in the presence of water vapor, but does no... | 09/25/2001 |
