| 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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| 05/01/2003 | WO2003022751B1 Method of multi-stage reverse osmosis treatment |
| 05/01/2003 | WO2003020649A3 Thickened aqueous compositions |
| 04/30/2003 | CN1413917A Water quality treatment agent and its using method |
| 04/30/2003 | CN1413913A Methylene phosphonic carboxylic acid, its preparation process and its application in water treatment |
| 04/29/2003 | US6555012 Method and composition for the treatment of blackwater collection systems |
| 04/29/2003 | US6554006 Piping deposit removal from stator water cooling systems |
| 04/29/2003 | US6553894 Drip-type coffee-maker comprising a water treatment device |
| 04/24/2003 | WO2003033812A1 Textile finishing composition and methods for using same |
| 04/24/2003 | US20030075290 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 |
| 04/23/2003 | EP0880472B1 Use of compositions comprising fluorosurfactants for controlling biofouling |
| 04/23/2003 | CN1106355C Compound treating agent for water treatment |
| 04/17/2003 | WO2003031347A1 Control of biofilms in industrial water systems |
| 04/17/2003 | WO2003031034A1 Control of water treatment system with low level boron detection |
| 04/17/2003 | US20030073805 Novel phosphorus compounds |
| 04/17/2003 | US20030073586 Scale control composition for high scaling environments |
| 04/17/2003 | US20030070974 Produces ozone water for on-tube sterilization or for cleaning as well as resolving chemical residuals inside tubes after routine disinfection |
| 04/15/2003 | US6547971 Inhibiting the growth of organisms in aqueous systems such as papermaking systems, cooling systems and process waters of various types, comprises adding to the aqueous system a hop acid. |
| 04/10/2003 | WO2003029153A2 Scale control composition |
| 04/10/2003 | WO2003028910A1 Method for treatment against corrosion and depositions in domestic supply water installations and apparatus therefor |
| 04/09/2003 | EP1300368A2 Agent for removing deposits from potable water supply utilities |
| 04/09/2003 | CN1408651A Descaling agent for internal combustion engine |
| 04/03/2003 | US20030062315 Method for combating hard water and scale by using algins |
| 04/02/2003 | EP1297343A1 Use of control matrix for boiler control |
| 04/02/2003 | EP1129038B1 Composition inhibiting pipe scaling and corrosion in a water supply system |
| 04/02/2003 | EP0956275B1 utility of water-soluble polymers having pendant derivatized amide functionalities as ceramics dispersants and binders |
| 04/02/2003 | CN1104387C Water treating agent for water softened boiler and water treating method |
| 04/01/2003 | US6540923 Oxygen scavenger |
| 03/27/2003 | WO2003025362A1 Device for controlling the conductivity, adjusting the acidity and de-mineralising the water in the cooling circuit of an engine |
| 03/27/2003 | WO2002060819A3 Polymers and use thereof as scale inhibitors |
| 03/27/2003 | WO2002034681A3 Method for inhibiting the deposition of silica and silicate compounds in water systems |
| 03/27/2003 | US20030060372 Composition for inhibition of metal corrosion |
| 03/26/2003 | CN1405100A Water-treatment agent for steam-boiler device |
| 03/25/2003 | US6537456 Method and apparatus for high efficiency reverse osmosis operation |
| 03/20/2003 | WO2003022751A1 Method of multi-stage reverse osmosis treatment |
| 03/20/2003 | WO2003022467A1 Washing system for drain pipe inside mobile frame |
| 03/20/2003 | WO2002083289A9 Conrrolled realease cooling additive composition |
| 03/20/2003 | WO2002018275A9 Method for pretreating water for desalination |
| 03/20/2003 | US20030052303 Method for controlling scale formation and deposition in aqueous systems |
| 03/19/2003 | EP1293485A1 Method for treating industrial waste water |
| 03/19/2003 | EP1292538A1 Stabilised calcium hydroxide slurries |
| 03/18/2003 | US6533958 System for controlling microbial fouling |
| 03/13/2003 | WO2003021031A1 Phosphorus compounds |
| 03/13/2003 | WO2003020649A2 Thickened aqueous compositions |
| 03/13/2003 | US20030050207 Comprises hydroxycarboxylic acid (glycolic acid), a sulfamic acid (amidosulfonic acid) and ammonium sulfate for preventing titanium ions from dissolving out; for cleaning drainpipes in aircraft |
| 03/13/2003 | US20030047520 Composition for removing dissloved oxygen from a fluid |
| 03/06/2003 | WO2003018487A1 Sustained release coolant additive compositions |
| 03/06/2003 | US20030042208 Sustained release coolant additive compositions |
| 03/05/2003 | EP0948462B1 Organosilic matrix composition with disincrustant action in aqueous media |
| 03/04/2003 | US6527983 Composition for inhibiting barium scale formation in water comprising an aqueous solution having a phosphonate dissolved therein in a quantity effective to inhibit barium scale formation, said phosphonate having the formula: with tert |
| 02/27/2003 | WO2002049966A3 Corrosion inhibition method suitable for use in potable water |
| 02/27/2003 | US20030038085 Using urea sulfate, urea hydrochloride, triethanolamine sulfate, and triethanolamine hydrochloride; free of sulfuric acid, formic acid, and acetic acid; corrosion resistance, less harmful effluents |
| 02/26/2003 | EP1284935A1 Use of control matrix for cooling water systems control |
| 02/26/2003 | EP1284929A1 Autocycle control of cooling water systems |
| 02/26/2003 | CN1398799A Prepn of polyasparagic acid as environment protecting scale inhibitor |
| 02/26/2003 | CN1398798A Polyepoxysuccinic acid as environment protecting scale inhibitor and its prepn process |
| 02/20/2003 | WO2003014024A1 Composition for removing dissolved oxygen from a fluid |
| 02/13/2003 | WO2003011773A2 Solid free-flowing phosphonate composition and method of use |
| 02/13/2003 | US20030032727 Comb-shaped polymers having anionic functionality |
| 02/13/2003 | CA2455944A1 Solid free-flowing phosphonate composition and method of use |
| 02/12/2003 | EP1282732A1 Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems |
| 02/06/2003 | WO2002034680A9 Reclaiming water and usable brine concentrate from domestic sewage |
| 02/05/2003 | EP1281677A1 Domestic water filtration system |
| 02/05/2003 | EP1281676A1 Solid free-flowing phosphonate composition and method of use |
| 02/05/2003 | CN1100723C Method of hydroxameted polymers to alter Bayer process scale |
| 01/30/2003 | WO2003007715A1 Method for treating water and surfaces in contact with same for controlling macro-organisms and corresponding composition |
| 01/30/2003 | US20030022793 Method and apparatus for preventing bacteria and algae growth in water |
| 01/30/2003 | US20030019802 Domestic water filtration system |
| 01/29/2003 | EP1278793A2 Scale and corrosion inhibitors |
| 01/29/2003 | EP1278703A1 Sequestering |
| 01/29/2003 | CN1393413A Composite corrosion inhibitor for circulating cooling water |
| 01/29/2003 | CN1393411A Composite corrosion inhibitor for deionized water |
| 01/29/2003 | CN1100059C Sulfonic acid-containing organic phosphine carboxylic acid compound, its preparing process and application |
| 01/28/2003 | CA2120519C Hardness suppression in urea solutions |
| 01/23/2003 | WO2003006382A1 Inhibiting scale deposition in oilfield tubulars |
| 01/23/2003 | WO2002048040A3 Macroscopic aggregates of microcrystalline zeolites for static water softening applications |
| 01/23/2003 | US20030015480 Methods of using hop acids to control organisms |
| 01/23/2003 | US20030015475 An additive is metered into the steam, adhering to the steam-side surface of the steam system and has the effect of repelling moisture and contaminants. |
| 01/23/2003 | CA2453157A1 Inhibiting scale deposition in oilfield tubulars |
| 01/22/2003 | EP1276744A1 N-alpha , n-omega -dialkyl aminomethylenephosphonic acids and use thereof |
| 01/16/2003 | WO2003004579A1 Fluid purification system |
| 01/16/2003 | US20030010458 Method for inhibiting calcium salt scale |
| 01/15/2003 | EP1102621B1 Method for reducing scaling in electrodeionization systems |
| 01/15/2003 | CN1098816C Water-treating agent and method for treating water |
| 01/14/2003 | US6506308 Complexing bacterial, plant, algal, fungal components or endotoxins with synthetic hydrated calcium silicate; centri-fugation or sedimentation separation |
| 01/14/2003 | US6506258 Process for controlling scale in the sugar process |
| 01/09/2003 | WO2002083578A3 Process and apparatus for the removal of scale build-up |
| 01/09/2003 | WO2000072932A3 Water softener valve |
| 01/08/2003 | EP1272433A2 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants |
| 01/08/2003 | CN1389398A Magnesosilicate compound, its preparation method and use |
| 01/07/2003 | US6503878 Binders and polymer coatings with specific glass transition temperature range; improved diametrical fracture stress under low compaction loads; high strength, storage stability |
| 01/07/2003 | US6503400 An anti-calcium phosphate-scaling agent consists of polyaspartic acid, and an anionic carboxylic acid polymer, solution is free of phosphonate oligomer |
| 01/03/2003 | WO2003000599A1 Disposable cartridge for on-premises water treatment system |
| 01/03/2003 | WO2003000464A2 Improved scale conditioning agents |
| 01/02/2003 | US20030004081 Comprising a chelating agent having at least two carboxylic acid functional groups and a basic agent selected from alkali metal hydroxides; for in situ removal of silicate-containing scale from interior surfaces of boilers |
| 01/01/2003 | CN1388075A Phosphate-free corrosion inhibitor and its prepn |
| 01/01/2003 | CN1388037A Communication tool system and method for providing communication function |
| 01/01/2003 | CN1097561C High polymericiron aluminium chloride compound coagulant and its producing process |
| 12/31/2002 | US6500360 Sorbic acid and/or its derivatives, such as potassium sorbate, as a preventative for rust, corrosion and scale on metal surfaces |
| 12/27/2002 | WO2002049960A3 Anti-corrosion agents |
| 12/27/2002 | WO2002028785B1 Method and composition for the treatment of blackwater collection systems |