| 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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| 07/09/2008 | CN101215050A High concentration circulation water scaling-proof water softener and water treatment method |
| 07/05/2008 | CA2618265A1 Water treatment systems and methods |
| 07/03/2008 | WO2008079217A1 Methods of oil and gas production using waste water from water purification processing |
| 07/03/2008 | WO2008077829A1 Process and polymer for preventing ba/sr scale with detectable phosphorus functionality |
| 07/03/2008 | US20080161222 Use of Polyaminomethylenephosphonates as Dispersing Agents |
| 07/03/2008 | US20080156741 Heat-reducing goethite particles having an Al content of 0.06 to 1.00% and an S content of 2200 to 5500 ppm or hematite particles having an Al content of 0.07 to 1.13% and an S content of 2400 to 8000 ppm to produce iron particles; forming a surface oxidation layer, adding polyaspartic acid |
| 07/03/2008 | CA2681907A1 Methods of oil and gas production using waste water from water purification processing |
| 07/02/2008 | EP1937599A1 Process for softening water using a cation exchanger, and regeneration thereof |
| 07/02/2008 | EP1550369B1 Composition for prevention of slime and method for preventing slime |
| 07/02/2008 | CN101209883A Technique for processing coking wastewater or organic wastewater by supercritical water oxidization technique |
| 07/02/2008 | CN100398467C Organic inductive treatment method for reverse osmosis concentrated solution |
| 06/26/2008 | WO2008074402A1 Water softener composition |
| 06/26/2008 | DE102006060428A1 Process for the continuous purification of waste water in papermaking, comprises feeding waste water to anaerobic reactor, and contacting the water in reactor with anaerobic microorganisms to degrade contaminants present in water |
| 06/26/2008 | DE102006060426A1 Method for purifying effluent, particularly continuous purification of effluent in paper industry, involves utilizing aerobic reactor, which cleans supplied effluent by aerobic microorganisms |
| 06/25/2008 | EP1935852A1 Water softener composition |
| 06/25/2008 | CN101208477A Method of papermaking |
| 06/25/2008 | CN101204295A Water bottle scale removal device |
| 06/24/2008 | US7390415 Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes |
| 06/19/2008 | CA2671928A1 Method for treating wastewater or produced water |
| 06/18/2008 | CN201074201Y Constant-pressure self-cleaning electrolyzation water making machine |
| 06/18/2008 | CN100395199C Method of cooling water treatment and treatment chemical |
| 06/17/2008 | US7387721 Apparatus and system for removing scale causing chemicals in hot water systems |
| 06/12/2008 | WO2007008328A3 Apparatus and method of making transformed water |
| 06/12/2008 | US20080135476 Sludge Quality |
| 06/11/2008 | CN101198556A Use of copolymers containing alkylene oxide units as an additive to aqueous systems |
| 06/11/2008 | CN100393776C Polyalkylenimine-derived polymer and its production process and uses |
| 06/11/2008 | CN100393640C Method for treating circulating cooling water |
| 06/05/2008 | US20080128366 Methods of energy storage and transfer |
| 06/04/2008 | EP1926869A1 Pool cleaner with integral chlorine generator |
| 06/03/2008 | CA2337126C Spent brine reclamation |
| 05/29/2008 | WO2008006855A3 Inhibition of corrosion in cooling water system |
| 05/29/2008 | DE102006055670A1 Reactor for softening of water, comprises reactor housing, first pipe connection for supplying granular solid, second pipe connection intended at the reactor housing for removing pellets, and weighing device for measuring the reactor weight |
| 05/28/2008 | EP1264007A4 Metal oxides dispersant composition |
| 05/28/2008 | CN101186396A Environment-friendly type composite corrosion-inhibiting anti-sludging agent for softening water quality and circulating chilled water |
| 05/28/2008 | CN101186395A Composite acidic scale remover and preparation method thereof |
| 05/28/2008 | CN101186394A Anti-antisludging disperser and preparation method thereof |
| 05/28/2008 | CN101186393A Method for preparing reverse osmosis antisludging agent |
| 05/27/2008 | US7377945 Cleaning method |
| 05/22/2008 | WO2008059006A1 A process for reducing scaling in the pulp and paper industry and use of carbon dioxide therefor |
| 05/21/2008 | CN101182643A Environment-friendly type composite pre-film reagent used for recirculated cooling water system pre-film processing and method of use thereof |
| 05/21/2008 | CN101182078A Corrosion inhibition anti-sludging agent for boiler heating network |
| 05/20/2008 | US7374656 Combined electrochemical system for scale treatment and eradicating Legionella pneumophila bacteria in water supply systems |
| 05/15/2008 | US20080111103 Silane substituted polyethylene oxide reagents and method of using for preventing or reducing aluminosilicate scale in industrial processes |
| 05/15/2008 | DE102005019781A1 Household arrangement for softening fresh water, comprises electrolytic cells having cathode and anode areas, a system having pipings and valves, an equipment with paper filter for removing insoluble salts, and a separator |
| 05/15/2008 | CA2668093A1 Improved method for chemistry control in cooling systems |
| 05/14/2008 | CN201058828Y Automatic medicament adding device in circulating water system |
| 05/14/2008 | CN101177323A Highly effective corrosion and scale inhibition disperser |
| 05/07/2008 | EP1918256A2 Hydrophobically modified polymers |
| 05/07/2008 | CN101172724A Method for processing sewage from industrial cycle water |
| 05/07/2008 | CN101172721A Antisludging agent of reverse osmosis water treatment system |
| 05/07/2008 | CN101172720A Allyloxy polyether carboxylic acids antisludging agent and method for preparing the same |
| 05/07/2008 | CN101172719A Dirty blocking inhibitor and application in water treatment thereof |
| 05/07/2008 | CN101172718A Antisludging agent and application of the same in water treatment |
| 05/06/2008 | US7368058 Separation of boron compounds using reverse osmosis, adsorption |
| 05/02/2008 | WO2008017338A3 Method of scale inhibition |
| 05/01/2008 | US20080099719 Water Softening Method |
| 05/01/2008 | US20080099154 Method And Apparatus For High Efficiency Evaporation Operation |
| 04/30/2008 | CN201052990Y Device for treating water by using oxidation-resisting composite reverse osmosis membrane |
| 04/30/2008 | CN100384762C Polymer grey-water stabilizer |
| 04/24/2008 | US20080093304 So-Called Water Catalytic Decarbonation Appliances |
| 04/24/2008 | DE102006048992A1 Treating lime-containing drinking water by contact with a heterogeneous catalyst comprises creating a spiral turbulent flow within the catalyst structure |
| 04/23/2008 | EP1914206A1 Scale removal system |
| 04/23/2008 | EP1781577B1 Catalytic decarbonation appliance |
| 04/23/2008 | EP1639228B1 Method for stimulating an oilfield comprising using different scale-inhibitors |
| 04/23/2008 | CN201049919Y Combination type water treatment apparatus |
| 04/23/2008 | CN201049912Y Automatic control system for treating cooling circulation water system by ozone |
| 04/23/2008 | CN100383062C Sodium carbonate salt water prerefining and antiscaling process |
| 04/23/2008 | CN100382879C Process for treating aqueous systems |
| 04/22/2008 | CA2162518C Polyether polyamino methylene phosphonates for high ph scale control |
| 04/17/2008 | WO2008045677A1 Hydrophobically modified polyamine scale inhibitors |
| 04/17/2008 | WO2008044016A1 Composition |
| 04/17/2008 | WO2007148954A8 Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water |
| 04/17/2008 | DE102006048698A1 Ethylendiphosphinsäuren Ethylenediphosphinic |
| 04/17/2008 | CA2666389A1 Hydrophobically modified polyamine scale inhibitors |
| 04/17/2008 | CA2666260A1 Composition |
| 04/10/2008 | WO2008040091A1 A block for chemically dosing a stream of fluid and an apparatus for housing the block |
| 04/10/2008 | CA2664226A1 A block for chemically dosing a stream of fluid and an apparatus for housing the block |
| 04/09/2008 | EP1451114A4 Coolant treatment formulation |
| 04/09/2008 | CN201045132Y Water softening electronic installation |
| 04/09/2008 | CN101157504A Process for softening hardwater by employing SO2 and CO2 in exhaust gas |
| 04/09/2008 | CN100379691C Composite agent for anti water incrustation in use for reverse osmosis system and application thereof |
| 04/09/2008 | CN100379690C Non-Phosphorus composite anti incrustation eorrosion snhibiter and its application in water treatment |
| 04/08/2008 | US7353634 Methods of utilizing waste waters produced by water purification processing |
| 04/08/2008 | CA2482089C Washing appliance water softener |
| 04/02/2008 | EP1378492B1 Remover for scale deposited on titanium material |
| 04/02/2008 | CN101152968A Directional sustained-release dissolution water treatment agent and method of producing the same |
| 04/01/2008 | CA2195289C Detectable polymers and methods for detecting polymers in aqueous systems |
| 03/27/2008 | US20080073275 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 03/27/2008 | DE102007022608A1 Method for partly softening liquid/dispersion for continuous purification of wastewater in paper industry, by supplying a precipitant to the liquid or dispersion for precipitating lime and sparging gas bubbles through the liquid/dispersion |
| 03/26/2008 | CN201040736Y Water quality Comprehensive treatment equipment |
| 03/26/2008 | CN101151400A Water treatment and method of water treatment |
| 03/26/2008 | CN100376634C Cassade polymer composition with trigger response |
| 03/20/2008 | US20080070820 Stain removing cleaning solutions |
| 03/20/2008 | US20080067468 Calcium hypochlorite composition |
| 03/19/2008 | CN101147060A Method and system for measuring water hardness |
| 03/19/2008 | CN101146438A Methods of utilizing waste waters produced by water purification processing |
| 03/19/2008 | CN101143752A Amino trimethylene phosphonic salt with content more than 90% and preparation technique thereof |
| 03/18/2008 | US7344602 Scale conditioning agents and treatment method |
| 03/13/2008 | WO2008029675A1 Method of water treatment in steam plant |
| 03/13/2008 | US20080063474 Methods for deicing roads |