| 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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| 01/26/2005 | CN1569922A Asparagic acid possessing phosphinic group, its preparation method and uses in water processing |
| 01/26/2005 | CN1186276C Method of preventing darkening (blackening) of aluminium cover in water bath sterilization |
| 01/25/2005 | US6846452 Scale inhibitor for an aqueous system |
| 01/25/2005 | US6846419 Phosphonamide and phosphonamide blend compositions and method to treat water |
| 01/20/2005 | WO2005005329A2 Water-softening method |
| 01/20/2005 | WO2005005324A1 Cooling medium flow passage |
| 01/20/2005 | US20050011839 Water treatment apparatus and method |
| 01/20/2005 | CA2531405A1 Water-softening method |
| 01/19/2005 | EP1498392A2 Device and method for treating drinking water for topical detergent, cosmetic and/or therapeutic use |
| 01/19/2005 | EP1351889A4 Phosphate stabilizing compositions |
| 01/19/2005 | CN2672043Y Double flow weak acid ion exchanger |
| 01/19/2005 | CN1565994A Polynary composite water treatment agent |
| 01/19/2005 | CN1565993A Long acting phosphorusless corrosion inhibitor for recirculating cooling water |
| 01/19/2005 | CN1565992A Scale scavenger for water cooling heat exchanger system |
| 01/19/2005 | CN1565986A Method for inhibiting chloride ion corrosion in recirculated cooling water |
| 01/13/2005 | US20050010008 Adding an inhibiting polymer as antiscaling agent |
| 01/12/2005 | CN2670350Y Intelligent electronic water treater |
| 01/12/2005 | CN1562784A Water saving type multifunctional technique for treating circulating water and device |
| 01/12/2005 | CN1562453A System for producing and preparing solid liquid mixing emulsion |
| 01/06/2005 | WO2005001241A2 Method for stimulating an oilfield comprising using different scale-inhibitors |
| 01/06/2005 | WO2005000747A2 Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation |
| 01/05/2005 | EP1493160A2 Removal of blockages from pipework |
| 01/05/2005 | EP1278793B1 Scale and corrosion inhibitors |
| 01/05/2005 | CN2668616Y Self-controlled direct-drinking water purifying treatment device |
| 01/05/2005 | CN2668614Y Built-in type water-activation device |
| 01/05/2005 | CN2668613Y Treatment type water-activation apparatus |
| 01/05/2005 | CN2668604Y Boiler water-feeding integrated treatment apparatus |
| 01/05/2005 | CN2668603Y Water-treatment apparatus for crevice-body electric power plant boiler |
| 01/05/2005 | CN1560323A Preparaton process of antisludging agent |
| 01/05/2005 | CN1559919A Process of preventing and removing water scale by thermal method and apparatus thereof |
| 01/04/2005 | US6837254 System for cleaning drainage pipes in movable equipment |
| 12/29/2004 | EP1087910B1 Method and plant for treating water with high degree of hardness and/or having a high sulphate content |
| 12/29/2004 | EP1025053A4 Performance-based control system |
| 12/29/2004 | CN1557857A Process for preparation of biodegradable corrosion-scale inhibitor poly-aspartic acid |
| 12/29/2004 | CN1557805A Process for preparation of biodegradable corrosion-scale inhibitor amino poly-apoxysuccinic acid |
| 12/29/2004 | CN1557746A Corrosion inhibitor for steam condensate system of industrial boiler and process for manufacturing same |
| 12/29/2004 | CN1557745A Environmental protection type multifunctional agent for purifying water and descaling |
| 12/23/2004 | WO2004111099A1 Water-soluble polymer and its production process and uses |
| 12/23/2004 | WO2004110937A1 Photocatalyst water treating apparatus |
| 12/23/2004 | US20040256596 Complex or adduct formed from anionic form of an alkoxylated sulfosuccinamate and a divalent metal ion that is calcium, magnesium, strontium, barium, nickel, copper, tin, cobalt, iron, or zinc used to treat a surface against formation of deposits including resins, pitch, and lignins in aqueous systems |
| 12/23/2004 | US20040256070 Method for inhibiting calcium salt scale |
| 12/22/2004 | EP1282732A4 Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems |
| 12/16/2004 | US20040253624 Contacting microporous material (ceramic, carbon, glass, metal, or metal oxide) with tin compound to produce composite, then contacting with pigment comprising elemental metal, metal oxide, and/or alloy; for hybridizing nucleic acids; solid phase synthesis |
| 12/16/2004 | US20040251207 Method and apparatus for deionizing water |
| 12/16/2004 | US20040251187 Gravity feed brining system and water conditioning systems using the same |
| 12/15/2004 | EP1485324A1 Composition for removing dissolved oxygen from a fluid |
| 12/15/2004 | CN1179894C Water quality stabilizing agent |
| 12/09/2004 | WO2004106246A2 Methods, devices and compounds for dosing additives to water systems |
| 12/09/2004 | US20040245177 Method and apparatus for parallel desalting |
| 12/09/2004 | US20040245175 Membrane-type electrodeionization or reverse osmosis water treatment unit and low level boron concentration detector; adjusting potential or current across an EDI stack to remove ions other than boron to suppress displacement of boron ions during treatment in response to concentration detection |
| 12/09/2004 | US20040245164 Fluid purification system |
| 12/09/2004 | DE202004007648U1 Chemikaliengemisch zur Einstellung einer biotopgerechten Standardionenkonzentration in Süßwasseraquarien Chemical mixture to set a biotope fair standard ion concentration in freshwater aquariums |
| 12/08/2004 | EP1484289A1 Apparatus and method for removing scaling chemicals in hot water systems |
| 12/08/2004 | EP1483207A1 Method for determining the dissolution rate of a solid water treatment product |
| 12/08/2004 | EP1328329B1 Proportional flow feeder for water filter cartridge |
| 12/08/2004 | CN1552592A Protectant of vehicle water tank and preparing method thereof |
| 12/08/2004 | CN1178867C Neutral scavenger for running water circulating system |
| 12/07/2004 | US6827090 Dissolving a deposit with an aqueous treatment solution of a reducing agent and a complexing agent that has a phosphonic acid group, phosphonate group, or a complexing agent of hydroxy acid type. |
| 12/02/2004 | WO2004069369A3 Point-of-use water softener |
| 12/02/2004 | US20040238453 Water treatment process and apparatus |
| 12/02/2004 | US20040238452 Method for removing scale causing chemicals in hot water systems |
| 12/02/2004 | US20040238451 Solid free-flowing phosphonate composition and method of use |
| 12/02/2004 | US20040238450 Method for treatment against corrosion and depositions in domestic supply water stallations and apparatus therefor |
| 12/01/2004 | EP1315926A4 Water softener valve |
| 12/01/2004 | EP1196033B1 A composition and method for cleaning surfaces |
| 12/01/2004 | CN2659884Y Softener for hard water |
| 12/01/2004 | CN1177920C Descaling agent for scales on titanium materials |
| 11/30/2004 | US6824794 Method and apparatus for preventing bacteria and algae growth in water |
| 11/30/2004 | CA2114061C Methods for inhibiting the deposition of proteinaceous materials on heat transfer surfaces |
| 11/25/2004 | US20040235989 Thickened aqueous compositions |
| 11/25/2004 | US20040235674 Mixing with adjuvant; aqueous solution containing crosslinked polyvinylpyrrolidone |
| 11/25/2004 | DE10320388A1 Polymere für die Wasserbehandlung Polymers for water treatment |
| 11/24/2004 | EP1479815A1 A perfumed anhydrous composition with anti-lime effect, in particular for steam supplying machines |
| 11/24/2004 | CN1548388A Green phosphate-free water treating agent |
| 11/24/2004 | CN1548387A Water quality stabilizer for circular cooling water in condesing unit of power plant |
| 11/24/2004 | CN1176862C Special slow corrosion and scale inhibitor for surface evaporation air cooling |
| 11/23/2004 | US6821480 Water line decontamination system |
| 11/21/2004 | CA2429295A1 Method and apparatus for reducing silica in water |
| 11/18/2004 | WO2004099092A1 Polymer for water treatment |
| 11/18/2004 | WO2004099091A1 Water-softening product |
| 11/18/2004 | CA2524479A1 Polymer for water treatment |
| 11/17/2004 | EP1477811A1 Inhibitor of the adhesion of metal oxide-containing material to waste liquor line of automatic analyzer |
| 11/17/2004 | EP1292538B1 Stabilised calcium hydroxide slurries |
| 11/17/2004 | CN1547032A Boiler water treatment medicament performance evaluation device |
| 11/17/2004 | CN1546402A Composite phosphorus-free water-treating corrosion inhibitor and preparing process thereof |
| 11/17/2004 | CN1546401A Oilfield downhole solid anti-scaling agent and its production technology |
| 11/11/2004 | DE10317683A1 Assembly to give clean drinking water, e.g. from a well and the like, has a nano filtration stage where the concentrate passes through phosphate precipitation before discharge directly into a body of water |
| 11/10/2004 | EP1242559B1 Fluorescent monomers and polymers containing same for use in industrial water systems |
| 11/10/2004 | CN1544357A Modified nanometer kaolin-analog antiscaling agent for boiler and its preparation method |
| 11/09/2004 | US6814885 For treatment of cooling water and water used in oilfield applications |
| 11/09/2004 | US6814873 Adding to a bayer process stream an aluminosilicate containing scale inhibiting amount of a polymer having pendant thereto a group or an silicon containing end group |
| 11/09/2004 | CA2278084C Scale inhibitor for an aqueous system |
| 11/04/2004 | WO2004094035A1 Water softener |
| 11/03/2004 | EP1472019A1 Cleaning method and cleaning fluid for aeration bodies |
| 11/03/2004 | CN1173895C Method for controlling siltation in aquiferous system using separating film |
| 10/27/2004 | CN2651239Y Strong oxidizing and circulating water treater |
| 10/21/2004 | WO2004090067A2 Drilling fluids with improved shale inhibition and methods of use in subterranean formations |
| 10/20/2004 | EP1468964A1 Method of generating fresh water and fresh-water generator |
| 10/20/2004 | CN1539001A 流体净化系统 Fluid purification system |
| 10/20/2004 | CN1538941A Method for inhibiting calcium salt scale |