| Patent Number |
Title Of Patent |
Date Issued |
| 7452122 |
Feeder device |
November 18, 2008 |
| The feeder apparatus including a chamber formed of at least one upstanding wall, a water outlet in the wall, a drain in the wall, the chamber having a bottom, inlets for water jets in the bottom for creating turbulence inside the chamber to create particle suspension and/or to increase |
| 7419589 |
Adaptable water purification apparatus |
September 2, 2008 |
| A water purification apparatus connected to a water system includes a hopper for holding chemical tablets on a perforated bed and an underlying basin. A spray head is detachably connected to the perforated bed and sprays water onto the tablets and parallel to the perforated bed. The |
| 7364669 |
Method for reducing reactivity of calcium hypochlorite |
April 29, 2008 |
| Stable compositions of calcium hypochlorite containing selected hydrated inorganic salts having a sufficiently high enthalpy and the ability to provide water release to sufficiently quench reactions and reduce the potential for conflagration. |
| 7238290 |
Catalytic oxidation of peroxy salts |
July 3, 2007 |
| 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 to decompose dipe |
| 7083717 |
Water purification apparatus |
August 1, 2006 |
| A chlorinator connected to a water system includes a hopper for holding chemical tablets on a perforated bed and an underlying basin. A spray head is supported by the perforated bed and sprays water onto the tablets and parallel to the perforated bed. The basin receives the water through |
| 7045077 |
Calcium hypochlorite compositions |
May 16, 2006 |
| Stable compositions of calcium hypochlorite containing selected hydrated inorganic salts having a sufficiently high enthalpy and the ability to provide water release to sufficiently quench reactions and reduce the potential for conflagration. |
| 6387415 |
Sequestered metal biocides using ionic polymeric stabilizing agents |
May 14, 2002 |
| Metal-containing biocides for treating swimming pool water, spas, cooling towers, or other industrial applications without staining are disclosed. The biocidal compositions include a source of metal and a polymeric sequestering agent. The polymeric sequestering agent may be a water-s |
| 6068791 |
Chloroisocyanuric acid composition having reduced gas evolution |
May 30, 2000 |
| Disclosed are trichloroisocyanuric acid compositions that have improved algicidal and/or fungicidal properties yet are relatively safe and non-corrosive. The compositions preferably contain between about 50% and about 95% TCCA, between about 0.5% and about 7% glycoluril, between about |
| 5908580 |
Chloroisocyanuric acid composition having reduced gas evolution |
June 1, 1999 |
| Disclosed are trichloroisocyanuric acid compositions that have improved algicidal and/or fungicidal properties yet are relatively safe and non-corrosive. The compositions preferably contain between about 50% and about 95% TCCA, between about 0.5% and about 7% glycoluril, between about |
| 5888939 |
Compositions and methods for controlling the growth of microbials in aqueous media |
March 30, 1999 |
| Compositions and methods are disclosed for sanitizing aqueous media, which combine a chlorine-source composition and a glycoluril-source composition. The compositions are added together or separately, continuously or periodically, and by any of a variety of methods. The glycoluril compou |
| 5851406 |
Process for preventing the degradation of water soluble packaging films by halogenated hydantoin |
December 22, 1998 |
| A method to prevent the degradation of water soluble film placed in contact with halogenated hydantoin or chlorinated cyanuric acid and an apparatus for disinfecting water systems. Halogenated 5,5-dialkyl hydantoin or chlorinated cyanuric acid is combined with a stabilizing agent to prev |
| 5783092 |
Water treatment method |
July 21, 1998 |
| A method of treating water by adding to the water a shelf-stable composition of hydrogen peroxide and a polyquaternary ammonium compound, followed by intermittent treatment with chlorine-, bromine- or oxygen-releasing compounds. |
| 5779914 |
Methods for sanitizing water |
July 14, 1998 |
| A method of treating water with peroxyacids and/or chlorine dioxide to supplement PHMB and/or H.sub.2 O.sub.2 and/or polyquaternary ammonium compounds and/or boron-containing compounds. |
| 5776876 |
Aqueous acidic filter cleaning composition for removing organic biguanide deposits |
July 7, 1998 |
| Effective, multi-use filter cleaning compositions include 5% to 60% of a strong acid, 1% to 40% of a surfactant, and 0.5% to 20% of a sequesterant/builder. The filter cleaning compositions optionally include 0.5% to 10% of a water soluble organic solvent, and/or 0.5% to 10% of a noni |
| 5674429 |
Chloroisocyanuric acid composition having reduced gas evolution |
October 7, 1997 |
| Disclosed are trichloroisocyanuric acid compositions that have improved algicidal and/or fungicidal properties yet are relatively safe and non-corrosive. The compositions preferably contain between about 50% and about 95% TCCA, between about 0.5% and about 7% glycoluril, between about |
| 5670451 |
Compositions and methods for controlling the growth of microbials in aqueous media |
September 23, 1997 |
| Compositions and methods are disclosed for sanitizing aqueous media, which combine a chlorine-source composition and a glycoluril-source composition. The compositions are added together or separately, continuously or periodically, and by any of a variety of methods. The glycoluril compou |
| 5670059 |
Method and compositions for treating recirculating water systems |
September 23, 1997 |
| A novel method and compositions are disclosed for the treatment of water in recirculating water systems. The method includes providing a boron level of at least 20 ppm in the water, continually eroding into the water a compressed sanitizer/algicide component including a halogen source |
| 5648314 |
Slow-dissolving multi-functional sanitizer and clarifier |
July 15, 1997 |
| A slow-dissolving sanitizing and clarifying puck for use in water such as swimming pool water preferably includes about 63% to about 80% trichloro-s-triazinetrione, about 4% to about 12% sodium tetraborate, about 10% to about 22% aluminum sulfate, and about 1% to 5% glycoluril. |
| 5629263 |
Synergistic antimicrobial compositions containing poly (hexamethylammonium) chloride |
May 13, 1997 |
| Methods for inhibiting microbial growth in aqueous systems by the use of synergistic mixtures comprising poly(hexamethylammonium) chloride and at least one compound selected from the group consisting of poly (iminoimidocarbonyliminoimidocarbonyliminohexamethylene hydrochloride ("PHMB |
| 5614528 |
Compositions and methods for inhibiting the formation of chloramines and trihalomethanes in aque |
March 25, 1997 |
| Compositions and methods are disclosed for sanitizing aqueous media, which combine a chlorine-source composition and a glycoluril-source composition. The compositions are added together or separately, continuously or periodically, and by any of a variety of methods. The glycoluril compou |
| 5591692 |
Compositions and methods for controlling the growth of microbials in aqueous media |
January 7, 1997 |
| Compositions and methods are disclosed for sanitizing aqueous media, which combine a chlorine-source composition and a glycoluril-source composition. The compositions are added together or separately, continuously or periodically, and by any of a variety of methods. The glycoluril compou |
| 5541150 |
Sequestered copper algicides using ionic polymeric stabilizing agents |
July 30, 1996 |
| Copper-containing algicides for treating swimming pool water without staining are disclosed. The algicidal compositions include a source of copper and a polymeric sequestering agent. The polymeric sequestering agent may be a water-soluble anionic or cationic polymer. Conventional seq |
| 5514640 |
Non-crystallizing C14 quaternary ammonium biocides |
May 7, 1996 |
| Disclosed is an aqueous composition containing a quaternary ammonium halide wherein at least 75 weight % of the alkyl groups are C.sub.14 -alkyl groups, a C.sub.1 to C.sub.6 polyhydric alcohol, and a material selected from the group consisting of a C.sub.10 to C.sub.18 primary aliphatic |
| 5514287 |
Method and compositions for treating recirculating water systems |
May 7, 1996 |
| A novel method and compositions are disclosed for the treatment of water in recirculating water systems. The method includes providing a boron level of at least 20 ppm in the water, continually eroding into the water a compressed sanitizer/algicide component including a halogen source |
| 5508250 |
Synergistic antimicrobial compositions containing poly(hexamethylammonium) chloride. |
April 16, 1996 |
| Methods for inhibiting microbial growth in aqueous systems by the use of synergistic mixtures comprising poly(hexamethylammonium) chloride and at least one compound selected from the group consisting of poly(iminoimidocarbonyliminoimidocarbonyliminohexamethylene hydrochloride ("PHMB" |
| 5498415 |
Disinfectant for the treatment of water systems |
March 12, 1996 |
| Disclosed are solid oxidizer compositions that provide either hypochlorous or hypobromous acid for disinfecting water systems comprising either of the following mixtures: (a) approximately 50-99.99% by weight of trichloro-s-triazinetrione and 0.01-50% by weight of glycolurils of the |
| 5478482 |
Method and compositions for treating recirculating water systems |
December 26, 1995 |
| A novel method and compositions are disclosed for the treatment of water in recirculating water systems. The method includes providing a boron level of at least 20 ppm in the water, continually eroding into the water a compressed sanitizer/algicide component including a halogen source |
| 5338461 |
Method of disinfecting a water system with a dry oxidizer composition |
August 16, 1994 |
| Disclosed is a method of disinfecting a water system with a blue pigmented dry oxidizer composition consisting of: (a) from 99.5-99.99% by weight of one of the following compositions:(i) 1,3 dichloro-5,5-dimethylhydantoin;(ii) a mixture of the 1-Bromo-3-chloro 5,5-dimethylhydantoin and 1 |
| 5015643 |
Disinfectant for the treatment of water systems |
May 14, 1991 |
| Disclosed is a solid composition that provides hypobromous for disinfecting water systems comprising from about 80-99% trichloro-s-triazinetrione and from 1-20% potassium bromide. Also disclosed is the incorporation of a chlorine stable dye in the composition. |
| 4241025 |
Chlorinator |
December 23, 1980 |
| A chlorinator of the floating type includes a cannister (1) having oppositely disposed side walls (3 and 4) and a pair of oppositely disposed end walls (5 and 6) is provided with coupling means in the form of ribs (21) disposed on the outer surfaces of the end walls and float means (2) |
| 3993777 |
Aqueous compositions to aid in the prevention of bovine mastitis |
November 23, 1976 |
| An aqueous composition is provided to aid in the prevention of mastitis in udders. The composition consists of: |
