| 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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| 03/12/2008 | EP1897854A1 Methods for reducing boron concentration in high salinity liquid |
| 03/12/2008 | EP1896372A1 Use of copolymers containing alkylene oxide units as an additive to aqueous systems |
| 03/12/2008 | CN201033756Y Scouring sewage water multi-cycle treating apparatus |
| 03/11/2008 | CA2210027C Polymer dispersants and methods of use in a nuclear steam generator |
| 03/06/2008 | WO2008026462A1 Water purification method and system therefor |
| 03/06/2008 | US20080053910 Water-Softening Method |
| 03/05/2008 | CN201031182Y Low-power consumption ultrasonic wave descaling and scale-proof device |
| 03/05/2008 | CN201031165Y Micro crystal side running water treater |
| 03/04/2008 | US7338617 Silica sol prepared by colliding inorganic acid aqueous solution with silicate aqueous solution at rate of 5 m/sec |
| 03/04/2008 | US7338600 Fractional deionization process |
| 03/04/2008 | US7338595 Flow-through tank for water treatment |
| 02/28/2008 | US20080047904 Treatment for Hydrostatic Testing Water |
| 02/27/2008 | CN101130518A Ionic liquid photo generated base alkaline agent, preparing method and uses of the same |
| 02/27/2008 | CN100371267C Corrosion inhibitor of copper-zinc alloy water treatment |
| 02/26/2008 | US7334415 Cooling system and method for using cooling system |
| 02/21/2008 | WO2007087099A3 Method of removing scale and acidic composition used thereof |
| 02/21/2008 | WO2001011935A3 Method of sludge removal in pressurized water nuclear reactors |
| 02/21/2008 | US20080042101 Compositions for Bioremediation and Methods for Using |
| 02/20/2008 | CN101125715A Composite corrosion-retarding antisludging agent for treating high-concentration multiple circulating water |
| 02/20/2008 | CN101125714A Fluorescence polyether antisludging agent and preparation method |
| 02/20/2008 | CN101125713A Corrosion inhibitor used for closed circulation water system |
| 02/20/2008 | CN100369954C Aspartate copolymer and method for preparing same |
| 02/19/2008 | US7332561 Polytrimethylene terephthalate composition particles and process for producing same |
| 02/19/2008 | CA2325395C Method for precipitating or flocculating substances out of solutions |
| 02/14/2008 | WO2008018317A1 Water cleaning method and water cleaner |
| 02/14/2008 | WO2008018316A1 Water softening method and water softener |
| 02/14/2008 | WO2008017339A1 α-AMINO ACID PHOSPHONIC ACID COMPOUNDS, METHOD OF PREPARATION AND USE THEREOF |
| 02/14/2008 | WO2008017338A2 Method of scale inhibition |
| 02/14/2008 | WO2007143053A3 Treatment composition for recreational water |
| 02/14/2008 | CA2659813A1 Method of scale inhibition |
| 02/13/2008 | EP1887011A1 Alpha amino acid phosphonic acid compounds, method of preparation and use thereof |
| 02/13/2008 | EP1886976A1 Method of scale inhibition |
| 02/13/2008 | EP1885656A1 A method for improving flux in a membrane bioreactor |
| 02/13/2008 | EP1805107A4 Process for the preparation of highly purified, dialkyl phosphinic acids |
| 02/13/2008 | CN101124167A Method and device for cleaning circulation water |
| 02/13/2008 | CN101121567A Non-power circulating water medicine-adding method and medicine-adding device thereof |
| 02/13/2008 | CN100368320C Polymer for water treatment |
| 02/12/2008 | CA2368445C Rust and scale removal composition and process |
| 02/06/2008 | CN101117257A Dirty-proof inhibition composition for reclaimed water circulation sewage and preparation method and application |
| 02/06/2008 | CN101117256A Fully-organic inhibition dirty-proof industrial water conditioning agent and method for making same |
| 02/05/2008 | CA2283522C Method for controlling scale using synergistic phosphonate blends |
| 01/31/2008 | WO2008014047A1 Water treatment system and method with a continuous partial flow bypass path |
| 01/29/2008 | US7323109 functionalized mordant polymers having a high-affinity and high capacity for metal-ions; to remove metal-ions from environments such as drinking water, food, biological fluids, industrial effluents and radioactive waste |
| 01/24/2008 | US20080020948 Sulfonated Graft Copolymers |
| 01/23/2008 | EP1881017A2 Sulfonated graft copolymers |
| 01/23/2008 | EP1881016A2 Low molecular weight graft copolymers |
| 01/23/2008 | CN101108759A Salts comprising cyanoborate anions |
| 01/23/2008 | CN100363275C Scale-resolving agent aiming at metal sulfide scaling |
| 01/21/2008 | CA2594464A1 Low molecular weight graft copolymers |
| 01/21/2008 | CA2594195A1 Sulfonated graft copolymers |
| 01/17/2008 | WO2008006855A2 Inhibition of corrosion in cooling water system |
| 01/17/2008 | WO2007086922A3 Counter weapon containment |
| 01/17/2008 | US20080011690 Treatment composition for recreational water |
| 01/17/2008 | US20080011685 Water-Softening Product, Its Preparation And Its Use |
| 01/09/2008 | CN100360540C Preparation of polyphenol oxidase model compound and use |
| 01/08/2008 | US7316787 Adding a water-soluble or dispersible hydrophobically modified polyether, with hydrophobic groups of alkyl, aryl, arylalkyl, cycloaliphatic, perfluroalkyl, carbosilyl, polycyclyl |
| 01/03/2008 | WO2008001801A1 Deionizing device, and its using method |
| 01/03/2008 | US20080001119 Composition and method for scale removal and leak detection |
| 01/03/2008 | US20080000837 Water-Softening Product and Process for Its Preparation and Use Thereof |
| 01/02/2008 | EP1871714A2 Method for treating feedwater, feedwater treatment composition containing a scale inhibitor, and apparatus for treating feedwater |
| 01/02/2008 | CN101098830A Scale removal apparatus and method |
| 12/27/2007 | WO2007148954A1 Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water |
| 12/27/2007 | WO2007096562A3 Product for treating a toilet flush cistern and bowl |
| 12/27/2007 | CA2656465A1 Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water |
| 12/26/2007 | CN100357199C Green environment-protective composite slow-corrosion scale resistor for circulated cooling-water treatment |
| 12/26/2007 | CN100357189C Water treatment method and water treatment equipment |
| 12/25/2007 | US7311877 Inhibition of corrosion in fluid systems |
| 12/25/2007 | US7311843 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 12/21/2007 | WO2007127027A3 Formulations with unexpected cleaning performance incorporating a biodegradable chelant |
| 12/19/2007 | EP1866638A1 Method and system for measuring water hardness |
| 12/19/2007 | EP1866635A1 Enhanced analysis of antiscale polymeric antiscale agents |
| 12/19/2007 | CN101090873A Method for treating feedwater, feedwater treatment composition, and apparatus for treating feedwater |
| 12/19/2007 | CN101088933A Method of raising concentration multiple of circulating water system |
| 12/13/2007 | WO2007143053A2 Treatment composition for recreational water |
| 12/13/2007 | WO2007090766A3 Method for controlling the thickening of aqueous systems |
| 12/13/2007 | US20070287641 Acidic treatment fluids and associated methods |
| 12/13/2007 | DE10112085B4 Vorrichtung und Verfahren zum Zudosieren von Wirkstoffen in einen Flüssigkeitsstrom Apparatus and method for dosing of active substances into a fluid stream |
| 12/12/2007 | CN200988808Y Water treating device for mine |
| 12/11/2007 | US7307054 Vapor compression air conditioning or refrigeration system cleaning compositions and methods |
| 12/11/2007 | CA2256451C A method and a device for the purification of fluids |
| 12/06/2007 | WO2007139103A1 Electromagnetic field treatment method and electromagnetic field treatment equipment of water |
| 12/05/2007 | EP1572592A4 A combined electrochemical system for scale treatment and eradicating legionella pneumophila bacteria in water supply systems |
| 12/05/2007 | CN101084166A Copolymer composition for particle aggregation |
| 11/29/2007 | WO2007135013A1 Water treatment device comprising a reactor and means for injecting a reagent into the reactor mounted on mobile supporting means |
| 11/29/2007 | WO2007090757A8 Control of the thickening of silicate-containing aqueous systems |
| 11/29/2007 | CA2651260A1 Water treatment device comprising a reactor and means for injecting a reagent into the reactor mounted on mobile supporting means |
| 11/28/2007 | EP1860071A1 Method and apparatus for cleaning circulation water |
| 11/28/2007 | CN101077811A Low-phosphorus scale and corrosion inhibitor used for stainless steel tube steam condenser |
| 11/28/2007 | CN101077810A Green scale and corrosion inhibitor used for stainless steel tube steam condenser |
| 11/28/2007 | CN101077802A Release-controlling type basic borosilicate glass water treatment agent |
| 11/27/2007 | US7300542 Effective amount of selected phosphonates or phosphonate blends is admixed with black liquor composition recovered from digester in chemical pulping process; suited for Kraft pulping process |
| 11/22/2007 | US20070267193 Stimulating Oilfields Using Different Scale-Inhibitors |
| 11/21/2007 | EP1685069A4 Auto-regenerable hot and cold water softener |
| 11/21/2007 | EP1579033A4 Metal corrosion inhibitor and hydrogen chloride formation inhibitor in a crude oil atmospheric distillation unit |
| 11/21/2007 | EP1025053B1 Performance-based control system |
| 11/20/2007 | US7297257 Chemical release system |
| 11/15/2007 | WO2007130053A1 System and method for conditioning water |
| 11/14/2007 | EP1853519A2 Zero valent metal composite, manufacturing, system and method using thereof, for catalytically treating contaminated water |
| 11/14/2007 | EP1704123A4 Cooling water scale and corrosion inhibition |
| 11/14/2007 | CN101070209A Method and apparatus for automatically adding medicine in circulation system |