| 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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| 07/17/2002 | EP1223402A1 Piping deposit removal from stator water cooling systems |
| 07/11/2002 | US20020088757 Reductive heat exchange water and heat exchange system using such water |
| 07/10/2002 | CN1357497A Circular cooling water quality stabilizer |
| 07/09/2002 | US6416712 Stannous salt |
| 07/09/2002 | US6416673 On premise water treatment system and method |
| 07/04/2002 | WO2001098558A3 Corrosion control utilizing a hydrogen peroxide donor |
| 07/04/2002 | US20020086809 Multifunctional, granulated pellet aid and process |
| 07/03/2002 | EP1219702A1 Multifunctional granulated pellet aid and process |
| 07/03/2002 | EP1218293A1 On premise water treatment system and method |
| 06/27/2002 | WO2002049972A1 Prevention of the deposition of calcium fluoride |
| 06/27/2002 | WO2002049966A2 Corrosion inhibition method suitable for use in potable water |
| 06/27/2002 | WO2002049960A2 Anti-corrosion agents |
| 06/27/2002 | US20020078975 Piping deposit removal from stator water cooling systems |
| 06/27/2002 | DE10062878A1 Verfahren zur biologischen Abwasserreinigung Processes for biological wastewater treatment |
| 06/27/2002 | CA2431455A1 Corrosion inhibition method suitable for use in potable water |
| 06/26/2002 | EP1216964A2 Process and filter for water treatment |
| 06/26/2002 | CN1355772A Methods for preventing scaling involving inorganic compositions, and inorganic compositions therefor |
| 06/25/2002 | CA2066054C Multipurpose scale preventer/remover |
| 06/20/2002 | WO2002048049A1 Phosphate stabilizing compositions |
| 06/20/2002 | WO2002048043A2 Porous static water softener containing hybrid zeolite-silicate composition |
| 06/20/2002 | WO2002048040A2 Macroscopic aggregates of microcrystalline zeolites for static water softening applications |
| 06/20/2002 | US20020077245 As ion exchangers |
| 06/20/2002 | US20020074293 Porous static water softener containing hybrid zeolite-silicate composition |
| 06/19/2002 | EP1215177A1 Process for the biological treatment of wastewater |
| 06/19/2002 | EP1214274A1 Method for combating hard water and scale by using algins |
| 06/18/2002 | US6408227 System and method for controlling effluents in treatment systems |
| 06/18/2002 | CA2209512C Process for obtaining hydrosoluble polymers, the polymers obtained and their uses |
| 06/13/2002 | US20020071793 System and method for treating cooling tower water |
| 06/13/2002 | US20020071783 Including ground calcium carbonate or magnesium aluminium silicate and sodium montmorillonite; or aAn aqueous wood pulp slurry, including metal cations, anions, and a specific anti-scalant |
| 06/11/2002 | US6403028 Mixture of trisubstituted hexanoic acid and a water soluble phosphonate oligomer |
| 06/11/2002 | US6402944 Water softener control valve with removable seal stack |
| 06/05/2002 | CN1352236A Water phase method for preparing low molecular polymer |
| 06/05/2002 | CN1351971A Preparing method for protecting agent of water heating device |
| 05/30/2002 | WO2002042220A1 Device for treating drinking water |
| 05/30/2002 | US20020065358 Method of inhibiting scale formation using water-soluble polymers having pendant derivatized amide functionalities |
| 05/30/2002 | US20020062951 Method for preventing contamination of heat exchanger and heat exchanger using this method |
| 05/29/2002 | EP1209126A2 Water treatment device and a universal housing adaptor |
| 05/29/2002 | EP1208248A1 Corrosion inhibition method suitable for use in potable water |
| 05/29/2002 | DE10154471A1 Domestic water softener has heated plates trapping limestone scale subsequently liberated by mechanical expansion action |
| 05/29/2002 | CN1085618C Magnesiosilicates, preparation and use thereof |
| 05/28/2002 | US6395870 Process for preparing biodegradable polymers having repeating succinyl units |
| 05/28/2002 | US6395189 Adding amine-formaldehyde condensate or salt comprising dicyandiamide, guanamine, guanidine, melamine, urea, aniline, thiourea, cyanamide, and/or guanylurea as antideposit or antifouling agents |
| 05/28/2002 | US6395185 Scale inhibitors |
| 05/28/2002 | US6395172 Container with water soluble noncrystalline substance containing silver and activated carbon; shower head |
| 05/23/2002 | US20020060178 Water treatment device and a universal housing adaptor therefor |
| 05/22/2002 | EP1207143A2 Preparation and utility of water-soluble polymers having pendant derivatized amide, ester or ether functionalities as ceramics dispersants and binders |
| 05/22/2002 | EP0946269B1 Inhibition and delay of deposit formation in membrane processes |
| 05/22/2002 | CN1349940A Boiler scale preventing and eliminating agent |
| 05/21/2002 | US6391207 Descaling waste water treatment facility to remove struvate |
| 05/16/2002 | WO2001085616A3 Scale and corrosion inhibitors |
| 05/16/2002 | US20020056689 Method of controlling microbial fouling and a control system therefor |
| 05/16/2002 | US20020056679 Liquid magnetic processing unit |
| 05/10/2002 | WO2002036504A2 Method for cleaning blinded filter media and preventing filter blinding |
| 05/10/2002 | WO2002036503A1 Multifunctional water-treating composition and method of water-treating using the same |
| 05/10/2002 | WO2002036492A1 Method for disposing of waste, produced in an aluminium anodisation plant |
| 05/08/2002 | DE10054128A1 Verfahren zur Entsorgung von in einem Aluminium-Eloxalwerk anfallenden Abfallstoffen A method for disposal of all in an aluminum anodising plant waste |
| 05/08/2002 | CN1347848A Antiscale and anticorrosive cleaning agent for boiler and its prepn |
| 05/07/2002 | US6383261 Concentration; desulfurization; incineration |
| 05/02/2002 | WO2002034681A2 Method for inhibiting the deposition of silica and silicate compounds in water systems |
| 05/02/2002 | WO2002034680A1 Reclaiming water and usable brine concentrate from domestic sewage |
| 05/02/2002 | WO2002034352A1 Water filter cartridge having a proportional flow feeder |
| 05/02/2002 | CA2426222A1 Water filter cartridge having a proportional flow feeder |
| 04/30/2002 | US6379612 Tertiary alkylamine; for injection wells |
| 04/30/2002 | US6379548 System for recovering and treating waste water |
| 04/25/2002 | DE10051422A1 Process for adjusting water hardness in water hardening plant and/or process water cycle comprises acquiring actual degree of water hardness at fixed measuring point |
| 04/24/2002 | CN1083405C Method for prevention of scale formation in aqueous systems |
| 04/23/2002 | US6374539 Methods of utilizing waste waters produced by water purification processing |
| 04/18/2002 | WO2001068530A3 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants |
| 04/18/2002 | US20020043650 Corrosion control utilizing a hydrogen peroxide donor |
| 04/17/2002 | EP1196033A2 A composition and method for cleaning surfaces |
| 04/17/2002 | EP1152986A4 Scale and/or corrosion inhibiting composition |
| 04/11/2002 | WO2002028785A2 Method and composition for the treatment of blackwater collection systems |
| 04/09/2002 | US6369023 For stabilization of bleach and reduce scale, prevent redeposition of particulate soils, prevent deposition of metals, and disperse dyes |
| 04/09/2002 | US6368552 Water treating agent and water treating method |
| 04/04/2002 | WO2002026635A1 Electrochemical cell and electrochemical treatment of contaminated water |
| 04/04/2002 | WO2002026347A1 Improved filter cleaning method |
| 04/04/2002 | DE10044652A1 Verfahren und Vorrichtung zum dauerhaft nachwirkenden Dekontaminieren von Wasserversorgungsleitungssystemen Method and apparatus for permanently after-effects decontaminating water supply line systems |
| 04/03/2002 | EP1192108A2 Methods of preventing scaling involving inorganic compositions, and compositions therefor |
| 04/03/2002 | CN1343285A Water softener valve |
| 04/02/2002 | US6365101 Methods of preventing scaling involving inorganic compositions, and compositions therefor |
| 03/27/2002 | EP1190157A1 Reduction in mineral salt deposition |
| 03/27/2002 | CN1341568A Modified lignin sulfonate multifunctional water treatment agent and its preparation method |
| 03/21/2002 | WO2002022508A1 Methods for the removal of organic substances from aqueous solutions |
| 03/20/2002 | CN1340465A Detergent for water tank |
| 03/20/2002 | CN1081247C Process for dissolving deposited calcium carbonate |
| 03/13/2002 | EP1186574A1 Process and apparatus for long term elimination of biofilms from systems conducting liquids |
| 03/13/2002 | CN1340030A System for treating fluids in an electric field |
| 03/13/2002 | CN1340029A Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 03/13/2002 | CN1339408A Inorganic high molecular water purifier |
| 03/13/2002 | CN1080882C Regulating water treatment agent dosage based on operational system stresses |
| 03/13/2002 | CN1080730C Method for preparing phosphorus contained multicomponent copolymer water treating agent |
| 03/12/2002 | US6355214 Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor |
| 03/07/2002 | WO2002018533A1 Cleaning method |
| 03/07/2002 | WO2002018280A1 Cleaning method |
| 03/07/2002 | WO2002018275A1 Method for pretreating water for desalination |
| 03/07/2002 | CA2420927A1 Cleaning method |
| 03/06/2002 | CN1339015A Scale and/or corrosion inhibiting composition |
| 03/06/2002 | CN1338437A Process for suppressing corrosion of cyclic cooling water |
| 03/06/2002 | CN1338436A Process for treating biological clay in circulating water system |
| 03/06/2002 | CN1338435A Process for treating cyclic cooling water |