| 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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| 06/10/2009 | CN100497211C Fully-organic corrosion-inhibiting antiscaling industrial water conditioning agent and method for making same |
| 06/09/2009 | CA2417351C Catalytic treatment of hard water in a reverse osmosis system |
| 06/04/2009 | US20090142748 Microporous materials, methods of making, using, and articles thereof |
| 06/03/2009 | EP1404489B1 Improved scale conditioning method |
| 06/03/2009 | CN201250149Y Full-automatic dosing device |
| 05/27/2009 | EP1846334A4 Scale removal apparatus and method |
| 05/27/2009 | CN101439912A Water treatment technology of vehicle body welding process circulating cooling water system |
| 05/27/2009 | CN101439910A Cooling water composite scale inhibitor, and preparation and use thereof |
| 05/27/2009 | CN100491272C Composite scale and corrosion inhibitor and its application |
| 05/26/2009 | US7537705 treating hard water with antiscaling agents, a copolymer of acrylic acid and 4-sulfophenol methallyl ether; water treatment for reduction of hard water filming in dishwasher |
| 05/22/2009 | WO2009062924A2 Methods of minimizing sulfate scale in oil field |
| 05/22/2009 | CA2705674A1 Methods of minimizing sulfate scale in oil field |
| 05/21/2009 | US20090127502 Binding agent for compacted salt |
| 05/20/2009 | CN201240867Y Liquid filtering device with medicine dispensing apparatus |
| 05/20/2009 | CN100488897C Preparation method for carboxymethyl eastern larch tannin biological degradation type antisludging agent |
| 05/20/2009 | CN100488429C Production method of wooden fish stone minerlized core capable of improving drinking water quality and antiscaling |
| 05/20/2009 | CA2612454A1 Binding agent for compacted salt |
| 05/19/2009 | CA2376279C Method for purifying sodium aluminate liquors containing sodium oxalate and enhancing residues |
| 05/14/2009 | US20090120881 Treatment blends for removing metals from wastewater, methods of producing and process of using the same |
| 05/13/2009 | EP2058283A1 Water purification method and system therefor |
| 05/13/2009 | EP2057099A2 Method of scale inhibition |
| 05/13/2009 | CN101432464A A method for dissolving oilfield scale |
| 05/13/2009 | CN101428912A Biodegradable scale inhibitor-carboxylic acid base-containing poly-asparagic acid derivant and method for producing the same |
| 05/13/2009 | CN101428911A Environment friendly high-efficiency composite scale corrosion inhibitor and production method thereof |
| 05/13/2009 | CN101428910A High-efficiency customization production for low-phosphor water treatment agent and complete-set applied technology |
| 05/13/2009 | CN100486914C Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation |
| 05/07/2009 | WO2008050349A3 System and method for monitoring water transmission of uv light in disinfection systems |
| 05/07/2009 | WO2008050348A3 System and method for ultrasonic cleaning of ultraviolet disinfection system |
| 05/07/2009 | US20090114598 Water Softening Device and Method |
| 05/06/2009 | EP2054423A1 Alpha-amino acid phosphonic acid compounds, method of preparation and use thereof |
| 05/06/2009 | CN101426892A Formulations with unexpected cleaning performance incorporating a biodegradable chelant |
| 05/06/2009 | CN101423300A Scale and corrosion inhibitor suitable for reclaimed water reuse system |
| 05/06/2009 | CN101423299A Reverse osmosis membrane scale inhibitor and preparation and use method thereof |
| 05/06/2009 | CN101423298A SS water treatment agent |
| 05/06/2009 | CN100485093C Protectant of vehicle water tank and preparing method thereof |
| 04/30/2009 | WO2009055377A1 Method of inhibiting scale formation and deposition in desalination systems |
| 04/30/2009 | US20090107921 Chemical treatment system and method |
| 04/29/2009 | EP2053025A1 Cooling medium flow path |
| 04/29/2009 | EP2051944A1 Water treatment system and method with a continuous partial flow bypass path |
| 04/29/2009 | CN101417843A Secondary cooling water recycling process of steel plant continuous casting |
| 04/29/2009 | CN101417841A Process for treating revolving furnace flue gas dedusting water from steel mill by low hardness method |
| 04/29/2009 | CN101417839A Corrosion inhibitor formula for crystallizer soft water system in steel works and use method thereof |
| 04/29/2009 | CN101417838A Scale and corrosion inhibitor formula for high concentration multiple operation of recirculated cooling water system and method of use thereof |
| 04/29/2009 | CN100482593C Water softening apparatus and using method |
| 04/28/2009 | US7524434 Controlled release cooling additive composition |
| 04/23/2009 | US20090101587 Method of inhibiting scale formation and deposition in desalination systems |
| 04/23/2009 | US20090101556 Reactor and method for decalcifying water and simultaneous removal of pollutants |
| 04/22/2009 | EP2050723A1 Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water |
| 04/22/2009 | EP2050722A1 Water cleaning method and water cleaner |
| 04/22/2009 | EP2050721A1 Water softening method and water softener |
| 04/22/2009 | CN201224692Y Variable flow clarification reclaimed water treatment device |
| 04/22/2009 | CN101415646A Method for treating ballast water by membrane usin membrane module, and membrane treatment apparatus |
| 04/22/2009 | CN101412568A Scale inhibitor for circulating water |
| 04/22/2009 | CN101412567A Composite multi-component scale inhibitor for treating oil-field water and preparation thereof |
| 04/22/2009 | CN101412566A Green environment-protective scale inhibitor and use thereof |
| 04/22/2009 | CN101412565A Efficient scale corrosion inhibitor for carbon steel system |
| 04/22/2009 | CN100480282C Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water |
| 04/16/2009 | WO2009047764A1 Water re-hardening process and a system therefor |
| 04/16/2009 | WO2009047242A1 Anti-scale bag |
| 04/16/2009 | WO2007083304A3 Method of removal of heavy metal ions from water |
| 04/16/2009 | US20090099052 Product for treating a toilet flush cistern and bowl |
| 04/16/2009 | US20090095684 Chalcogenide compounds with a clay-like cation-exchange capacity and methods of use |
| 04/15/2009 | CN201221863Y Improved solar water heater |
| 04/15/2009 | CN100478288C Biodegradable composite corrosion and scale inhibitor and method for preparing same |
| 04/14/2009 | CA2408031C Scale and corrosion inhibitors |
| 04/09/2009 | WO2009045100A1 Method and device for purifying a liquid |
| 04/09/2009 | US20090092584 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 04/09/2009 | US20090090674 Communication system for a water softener system |
| 04/09/2009 | DE202009000700U1 Vorrichtung zur Entkalkung von Wasser Apparatus for decalcification of water |
| 04/08/2009 | CN201218353Y Transmission mechanism of water treatment multi-outlet control valve |
| 04/08/2009 | CN101405312A Graft polymer with hydrocarbon group and method for producing the same |
| 04/08/2009 | CN101405228A Product for treating a toilet flush cistern and bowl |
| 04/08/2009 | CN100475722C Composite water treating agent for cooling water of central air conditioner |
| 04/07/2009 | US7514003 Contacting brackish ground waters, moderately saline water or waste from water purification processing with a cation exchange resin loaded with magnesium and/or calcium ions, to reduce the dissolved sodium and/or potassium ion content and increase the dissolved magnesium and/or calcium content |
| 04/05/2009 | CA2640100A1 Communication system for a water softener system |
| 04/02/2009 | WO2009039655A1 Selective sulphate removal by exclusive anion exchange from hard water waste streams |
| 04/02/2009 | US20090084451 Electronic bypass system for a fluid treatment system |
| 04/02/2009 | CA2700467A1 Selective sulphate removal by exclusive anion exchange from hard water waste streams |
| 04/01/2009 | EP2041033A2 Robotic pool cleaner with internal ultraviolet water sterilization |
| 04/01/2009 | EP1673310B1 Formulation for corrosion and scale inhibition |
| 04/01/2009 | CN101396634A Use of magnesium used refractory, preparation and use method of composite scale inhibitor |
| 03/31/2009 | CA2426152C Process for desalination of seawater |
| 03/25/2009 | EP2039656A1 Deionizing device, and its using method |
| 03/25/2009 | CN101395426A Method of water treatment in steam plant |
| 03/24/2009 | US7509034 Vapor production device and cooker with the same |
| 03/24/2009 | US7507335 Dendrimer fluid purification agent and article |
| 03/19/2009 | WO2009013541A3 An adduct of 1-hydroxyethylidene-l, 1-diphosphonic acid and ethylened iamine disuccinic acid or a salt thereof, a method for its preparation, and the use of said adduct |
| 03/18/2009 | EP2036865A1 Electromagnetic field treatment method and electromagnetic field treatment equipment of water |
| 03/18/2009 | CN100469715C Composite water treating agent for industrial circulation cooling water |
| 03/18/2009 | CN100469714C Composite water treating agent for central air conditioner freezing water |
| 03/18/2009 | CN100469713C Water treatment medicine and adding method thereof |
| 03/12/2009 | WO2009032422A1 Polymer concentration monitoring system and use thereof |
| 03/12/2009 | US20090069181 Product and Process for Treating Water Bodies, Sediments and Soils |
| 03/12/2009 | US20090065440 Method and device for cleanup and deposit removal from internal hot water system surfaces |
| 03/12/2009 | US20090065439 Method and device for preventing corrosion in hot water systems undergoing intermittent operations |
| 03/12/2009 | US20090065433 Improved Analysis of Polymeric Scale Inhibitors |
| 03/12/2009 | US20090065259 Methods of formulating drilling muds using processed waste waters |
| 03/12/2009 | US20090065201 Methods of formulating drilling cements using processed waste waters |
| 03/11/2009 | EP1742717A4 Solid product dissolver and method of use thereof |
| 03/11/2009 | CN101381431A Polymer containing duel-tracer group and preparation method thereof |