| Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632) |
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| 12/25/2013 | CN103466812A Non-phosphorus slow-dissolving glass water treatment agent |
| 12/25/2013 | CN102826663B Scale and corrosion inhibitor and application thereof |
| 12/25/2013 | CN102703250B Inorganic chemical composition and preparation method thereof |
| 12/24/2013 | DE102012105443A1 Flow conduit system, used in beverage dispenser, includes water tank, reservoir with protective agent for safety and/or cleaning of conduit system, outgoing water line for feeding conduit system with fresh water, and multi-way valve |
| 12/24/2013 | DE102012105442A1 Decalcifying flow conduit system by supplying first amount of descaling agent as saturated solution into reservoir in flow conduit system for first time interval for first period of time, and supplying further amount of descaling agent |
| 12/19/2013 | WO2013186210A1 Method for decalcifying process water |
| 12/19/2013 | US20130334141 Method and composition for operation of evaporative cooling towers at increased cycles of concentration |
| 12/19/2013 | US20130334119 Water conditioner for preventing or reducing mineral precipitation |
| 12/18/2013 | CN203346213U Integrated microfiltration hardness removal equipment |
| 12/18/2013 | CN203346176U Automatic salting machine |
| 12/18/2013 | CN103449619A Novel environment-friendly compound corrosion and scale inhibitor |
| 12/18/2013 | CN103449618A Non-phosphorus composite corrosion and scale inhibitor suitable for industrial circulating cooling water |
| 12/18/2013 | CN103449617A High-temperature-resistant starch-based scale inhibitor, and preparation method and application thereof |
| 12/18/2013 | CN103449616A Biodegradable non-phosphorus scale inhibition dispersion agent and preparation method thereof |
| 12/18/2013 | CN103449615A Composite corrosion and scale inhibitor and application thereof |
| 12/18/2013 | CN103449614A Water softener for printing and dyeing |
| 12/18/2013 | CN103449613A Descaling device and water treatment system |
| 12/18/2013 | CN103193331B Antisludging agent for low temperature flue gas heat exchange equipment of boiler and preparation method thereof |
| 12/18/2013 | CN102838179B Control method for automatic drug adding device in sewage treatment system |
| 12/18/2013 | CN102203323B Methods for inhibiting corrosion in aqueous media |
| 12/12/2013 | US20130327720 Process for treating fluids |
| 12/12/2013 | DE102012209756A1 Verfahren zum Entkalken von Prozesswasser Method of descaling process water |
| 12/11/2013 | EP2670523A1 Low molecular mass, phosphorus-containing polyacrylic acids and use thereof as scale inhibitors in water-carrying systems |
| 12/11/2013 | CN203333386U Electrostatic descaling reactor used for oil field multi-layer water mixed-injection treatment |
| 12/11/2013 | CN103435168A Calcium removing method of wastewater |
| 12/11/2013 | CN102910744B Fluorescent tracing green environmental-friendly polyglycol ether water treatment agent and preparation method thereof |
| 12/11/2013 | CN102795737B Preparation method of weakly alkaline drinking water |
| 12/11/2013 | CN102659254B Method for removing fluorions in drinking water by strengthened magnesium precipitations |
| 12/11/2013 | CN102399018B Reverse osmosis membrane scale inhibitor and application thereof |
| 12/10/2013 | CA2639110C Salometer and flow rate sensor assembly |
| 12/05/2013 | WO2013181150A1 Acidic compositions including reducing agents for elimination of hard water scale and decolorization of metal stains |
| 12/05/2013 | WO2013014225A3 System for pipe treatment |
| 12/05/2013 | US20130323818 Novel thermophilic bacterium and uses of extracellular proteins therefrom |
| 12/04/2013 | CN203319801U Papermaking advanced treatment wastewater reusing device based on chemical decalcification |
| 12/04/2013 | CN203319745U Geothermal system with limescale treatment and prevention devices |
| 12/04/2013 | CN103424027A Pure heating device with anti-scaling device |
| 12/04/2013 | CN103421189A Production method of poly-aspartic acid |
| 12/04/2013 | CN103421040A Production method of ethylenediaminetetramethylene phosphonic acid |
| 12/04/2013 | CN103420515A Preparation method of diethylenetriamine penta (methylene phosphonic acid) pentasodium salt compound scale inhibitor |
| 12/04/2013 | CN103420514A Preparation method of multi-amino multi-ether methylene phosphonic acid compound scale inhibitor |
| 12/04/2013 | CN103420513A Preparation method of polyhydric alcohol phosphate ester compound scale inhibitor |
| 12/04/2013 | CN103420512A Preparation method of (1-hydroxyethylene) diphosphonic acid compound scale inhibitor |
| 12/04/2013 | CN103420511A Preparation method of diethylenetriamine penta (methylene phosphonic acid) sodium compound scale inhibitor |
| 12/04/2013 | CN103420510A Preparation method of tetra sodium salt of amino trimethylene phosphonic acid compound scale inhibitor |
| 12/04/2013 | CN103420509A Preparation method of sodium salt of hydroxyl ethylidene diphosphonic acid compound scale inhibitor |
| 12/04/2013 | CN103420508A Preparation method of 2-phosphonobutane-1,2,4-tricarboxylic acid compound scale inhibitor |
| 12/04/2013 | CN103420507A Preparation method of hexapotassium salt compound scale inhibitor |
| 12/04/2013 | CN103420506A Preparation method of tetra sodium salt of ethylene diamine tetra (methylene phosphonic acid) sodium compound scale inhibitor |
| 12/04/2013 | CN103420505A Preparation method for compound-type diethylene triamine penta(methylene phosphonic acid) scale inhibitor |
| 12/04/2013 | CN103420504A Preparation method for composite-type sodium diethylene triamine penta(methylene phosphinate) scale inhibitor |
| 12/04/2013 | CN103420503A A preparation method for a composite-type nitrilotris(methylene)trisphosphonic acid scale inhibitor |
| 12/04/2013 | CN103420502A A preparation method for a composite-type disodium dihydrogen (1-hydroxyethylidene)diphosphonate scale inhibitor |
| 12/04/2013 | CN103420501A Preparation method for compound-type pentasodium ethylenediamine tetramethylene phosphonate scale inhibitor |
| 12/04/2013 | CN103420500A Preparation method for compound-type maleic acid-acrylic acid copolymer scale inhibitor |
| 12/04/2013 | CN103420499A A preparation method for a compound-type phosphono carboxylic acid copolymer scale inhibitor |
| 12/04/2013 | CN103420498A Synthetic method of polyhydric alcohol phosphate ester |
| 12/04/2013 | CN103420497A Non-phosphorous corrosion and scale inhibitor containing lignosulfonate and application thereof |
| 12/04/2013 | CN103420496A Preparation method for composite-type polycarboxylate scale inhibitor |
| 12/04/2013 | CN103420495A Preparation method for antisludging agent of central air-conditioning circulating water and application thereof |
| 12/04/2013 | CN103420494A A preparation method for a compound-type acrylic acid-hydroxypropyl acrylate scale inhibitor |
| 12/04/2013 | CN103420493A Processing method of circulation cooling water comprising sulfur ions |
| 12/04/2013 | CN103420492A Padding regenerating method for wastewater hardness removing process |
| 12/04/2013 | CN101835714B Method of inhibiting scale formation and deposition in desalination systems |
| 12/03/2013 | CA2473134C Method for determining the dissolution rate of a solid water treatment product |
| 11/28/2013 | WO2013177402A1 A high rate chemical softening process |
| 11/28/2013 | WO2013175423A1 Sludge treatment method |
| 11/28/2013 | WO2013174984A1 Water treatment method comprising addition of surfactant before reverse osmosis filtration and use of surfactant |
| 11/28/2013 | US20130313201 High Rate Chemical Softening Process |
| 11/27/2013 | CN203309212U Water treatment device based on double-piston valve body |
| 11/27/2013 | CN203309206U Water treatment device based on double-piston countercurrent valve body |
| 11/27/2013 | CN203307128U Novel phosphono butane tricarboxylic acid compounded scale inhibitor production device |
| 11/27/2013 | CN203307127U Novel hydroxyethylidene diphosphonic acid compounded scale inhibitor production device |
| 11/27/2013 | CN203307126U Silicon phosphorus crystal tank with scale-inhibition and rustproof performances |
| 11/27/2013 | CN203307125U Household scale prevention device |
| 11/27/2013 | CN203307124U Buried sanitary sewage integrated processing equipment |
| 11/27/2013 | CN103408149A Preparation process of silicate reverse osmosis scale inhibitor |
| 11/27/2013 | CN103408148A Anti-fouling complex alkali solution for Fenton reaction |
| 11/27/2013 | CN102718974B Method for preparing scaling inhibitor |
| 11/21/2013 | US20130306578 Method for water treatment regeneration stage |
| 11/20/2013 | EP2664860A1 Water heater comprising scale suppressing device |
| 11/20/2013 | CN203295311U Anti-blocking anti-scaling pretreatment device for high-concentration ammonia nitrogen wastewater |
| 11/20/2013 | CN203295267U Carbon dioxide dissolving reaction device |
| 11/20/2013 | CN203295266U Compound water softening system |
| 11/20/2013 | CN103395897A Non-phosphorus environmentally-friendly water treatment agent and preparation method thereof |
| 11/20/2013 | CN103395896A Water purification equipment of special medicament for removing hardness ions in underground water |
| 11/20/2013 | CN102807286B Fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent and preparation method thereof |
| 11/20/2013 | CN102807285B Environment-friendly branched polyether water treatment agent and preparation method thereof |
| 11/20/2013 | CN102674567B Environment-friendly dendritic polyether dirt dispersion agent and preparation method thereof |
| 11/20/2013 | CN102643425B Method for synthetizing polyaspartic acid by microwaves in ionic liquid |
| 11/20/2013 | CN102516472B Environment-friendly polyether antisludging agent and preparation method thereof |
| 11/14/2013 | US20130299432 Sulfate Scale Control In Low PH Aqueous Systems |
| 11/13/2013 | CN203284275U Pretreatment system for water treatment |
| 11/13/2013 | CN103387292A Boiler supply water oxygenation process |
| 11/13/2013 | CN101781028B High-efficiency low-phosphorous corrosion and scale inhibition dispersant as well as preparation method and application thereof |
| 11/13/2013 | CN101781027B High-efficiency non-phosphate corrosion and scale inhibiting dispersing agent and preparation method and application thereof |
| 11/12/2013 | US8580118 Water softener system using nanofiltration to reclaim a portion of the regenerating sodium chloride |
| 11/07/2013 | WO2013166255A1 Hardness reduction apparatus and method |
| 11/06/2013 | EP2659028A1 Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors |
| 11/06/2013 | CN203274231U Heat pipe water heater |
| 11/06/2013 | CN203269662U Water quality softening device |