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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07/26/2006 | EP1682451A2 Water treatment system and method |
07/26/2006 | EP1682450A2 Flow-through tank for water treatment |
07/26/2006 | CN2799085Y Shower nozzle capable of purifying and softening water |
07/26/2006 | CN1807287A Highly effective multifunctional reverse osmosis membrane antiscaling agent and its preparation method |
07/26/2006 | CN1807286A Saving and environment-friendly type water softener and its softening method |
07/26/2006 | CN1265899C Cleaning system for drainage pipe in movable machine |
07/25/2006 | US7081212 Solid free-flowing phosphonate composition |
07/20/2006 | WO2005073361A8 Cleaning method |
07/20/2006 | US20060157422 Water treatment system and method |
07/20/2006 | US20060157420 Adding an initial amount of oxygen scavenger to the boiler water to provide a concentration of oxygen scavenger of 50 ppm;adding an initial amount of alkaline chemical, automatically monitoring the pH and the oxidation-reduction potential of the boiler water; adjusting the pH |
07/19/2006 | EP1681273A1 Water-softening tablet |
07/19/2006 | CN1805982A Water-soluble polymer and its production process and uses |
07/18/2006 | US7077976 Reacting an amino compound with phosphoric acid compound |
07/18/2006 | US7077962 Method and apparatus for parallel desalting |
07/13/2006 | WO2006073619A2 Automated process for inhibiting corrosion in an inactive boiler containing an aqueous system |
07/13/2006 | WO2006072134A1 Composition and method for treatment of residues in pumping, bore, and reticulation equipment |
07/13/2006 | WO2006072125A1 Scale removal apparatus and method |
07/13/2006 | US20060151401 Method and reactor for decalcifying and simultaneously removing harmful substances |
07/13/2006 | US20060151394 Cooling water corrosion inhibition method |
07/13/2006 | CA2616411A1 Scale removal apparatus and method |
07/12/2006 | EP1677836A1 Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module |
07/12/2006 | CN1800057A Closed circulated utilization technology for industrial production acid waste water |
07/06/2006 | US20060144286 Viscoelastic coating paste for protecting against macrofouling and method for producing a coating |
07/05/2006 | CN1796309A Composite agent for anti water incrustation in use for reverse osmosis system and application |
07/05/2006 | CN1796308A High molecular water softener, synthetic method and application |
07/05/2006 | CN1796307A Method for treating circulating cooling water |
07/05/2006 | CN1262489C Method for controlling scale formation and deposition in aqueous systems |
07/05/2006 | CN1262488C Corrosion inhibition method for non-passive metal and boiler |
07/05/2006 | CN1262487C Method for removing boiler scale |
07/05/2006 | CN1262328C Water filter cartridge having a proportional flow feeder |
06/29/2006 | US20060142170 Descaling and corrosion inhibiting composition |
06/28/2006 | EP1673310A1 Formulation for corrosion and scale inhibition |
06/28/2006 | CN1792891A Apparatus for physical Chemical treating of circulating water |
06/28/2006 | CN1792869A Waste water treating device and method |
06/28/2006 | CN1792859A Tech. for treating waste water of yellow ginger acid hydrolysis |
06/28/2006 | CN1261377C Composite anti-dirty corrosion inhibiting agent and application thereof |
06/28/2006 | CN1261376C Polyepoxysuccinic acid as environment protecting scale inhibitor and its preparation process |
06/27/2006 | CA2469409C Regulating water treatment agent dosage based on operational system stresses |
06/22/2006 | WO2006064940A1 Amino group-containing water-soluble copolymer |
06/22/2006 | US20060131241 Phosphonamide and phosphonamide blend compositions and method to treat water |
06/21/2006 | EP1670573A1 Method and apparatus for removing at least one constituent from a solution |
06/21/2006 | CN1789178A Method for preparing biodegradable water treatment agent PECS |
06/20/2006 | US7064098 Composition for removing scale deposited on titanium materials |
06/15/2006 | WO2005110925A3 Control of cooling water system using rate of consumption of fluorescent polymer |
06/14/2006 | EP1669668A1 Vapor producing device and cooker with the same |
06/14/2006 | EP1667787A1 Method for avoiding clogging of filtration membranes |
06/14/2006 | CN1785853A Non-Phosphorus composite anti incrustation eorrosion snhibiter and its application in water treatment |
06/14/2006 | CN1259123C System for producing and preparing solid liquid mixing emulsion |
06/08/2006 | WO2005121411A3 Process for preventing membrane degeneration using complexing agents |
06/08/2006 | US20060118761 Corrosion inhibition method for use in recirculating cooling water systems |
06/08/2006 | DE19922535B4 Vorrichtung zur Waschwasserenthärtung Apparatus for softening of washing water |
06/07/2006 | EP1663880A1 Use of cerium salts to inhibit manganese deposition in water systems |
06/07/2006 | EP1663879A1 Treatment of iron sulphide deposits |
06/07/2006 | EP1483207A4 Method for determining the dissolution rate of a solid water treatment product |
06/07/2006 | CN1784359A Polymer for water treatment |
06/07/2006 | CN1781858A Low phosphine compound slow corrosion antisludging agent |
06/07/2006 | CN1781857A Methoxy group naphthyl fluorescence marked water treating agent and its preparing method |
06/01/2006 | US20060113505 Scale inhibitor, composition useful for preparing same, and method of inhibiting scale |
05/31/2006 | EP1661863A1 Method and device for treating and/or purifying of fluids containing water hardness |
05/31/2006 | EP1330413B1 Method for disposing of waste, produced in an aluminium anodisation plant |
05/31/2006 | CN1778718A Treatment for softening seawater by single-decalcification |
05/31/2006 | CN1778695A Waste liquid treatment and treating system thereof |
05/31/2006 | CN1257848C Method for inhibiting chloride ion corrosion in recirculated cooling water |
05/26/2006 | WO2006053626A1 Cleaning method for removing deposits containing magnetite out of a pressure vessel of a power plant |
05/26/2006 | CA2586556A1 Cleaning process for removing magnetite-containing deposits from a pressure vessel of a power station |
05/24/2006 | EP1252855B1 Control system for a water softener device, in particular for household appliances |
05/23/2006 | US7048852 Method and apparatus for treating water or wastewater to reduce organic and hardness contamination |
05/23/2006 | US7048803 Method of dissolving scale |
05/23/2006 | US7047985 Removal of blockages from pipework using carbamate and nitric acid treatment steps |
05/18/2006 | WO2005046288B1 Waterboiler system with solids removal apparatus |
05/17/2006 | EP1047834B1 Silica-acid colloid blend in a microparticle system used in papermaking |
05/17/2006 | CN1772656A Composit scale and corrosion inbibitor for circular cooling wate treatment |
05/11/2006 | WO2005123612A3 Composition comprising metal-ion sequestrant |
05/10/2006 | CN1769216A Antiscaling block and its production method |
05/10/2006 | CN1255338C Water treating method with scale and corrosion inhibitor containing epoxy amber acid polymer |
05/10/2006 | CN1255337C Modified nanometer kaolin-analog antiscaling agent for boiler and its preparation method |
05/04/2006 | WO2006046095A1 Water-softening product, its preparation and its use |
05/04/2006 | WO2006046055A1 Water-softening method |
05/04/2006 | WO2006046002A1 Improvements in or relating to a water softening product |
05/04/2006 | WO2006046001A1 Improvements in or relating to a water softening product |
05/04/2006 | CA2585346A1 Improvements in or relating to a water softening product |
05/04/2006 | CA2585298A1 Water-softening method |
05/04/2006 | CA2585291A1 Process for the preparation of highly purified, dialkyl phosphinic acids |
05/04/2006 | CA2584883A1 Copolymer composition for particle aggregation |
05/04/2006 | CA2584187A1 Improvements in or relating to a water softening product |
05/04/2006 | CA2566523A1 Water-softening product, its preparation and its use |
05/03/2006 | EP1652969A1 Deruster composition and method |
05/03/2006 | EP1652826A1 Water dispenser |
05/03/2006 | EP1652825A2 Hydrophobically modified polymers and its use as dispersant and for preventing scale |
05/03/2006 | EP1651797A1 Inhibition of corrosion in fluid systems |
05/03/2006 | EP1651348A2 Regenerant reuse |
05/03/2006 | CN1765774A Sodium carbonate salt water prerefining and antiscaling process and prerefining reacting trough |
05/03/2006 | CN1765475A Self air feeding type gas liquid mixing blade |
05/03/2006 | CN1254443C Scale and corrosion inhibiting method for industrial boiler |
05/03/2006 | CN1254442C Scale inhibiting dispersant for high temperature gas scrubbing water system and its manufacturing method |
05/03/2006 | CN1254441C Softening and coagulating treatment process of gas scrubbing water |
05/02/2006 | US7037434 producing a softened alkaline water stream by using an alkali agent to precipitate the hardness minerals; utilizing the softened alkaline water stream to scrub a flue gas containing sulfur dioxide |
05/02/2006 | CA2256559C N-bis- or n-tris-[(1,2-dicarboxy-ethoxy)-ethyl]-amine derivatives and preparation and use of the same |
05/02/2006 | CA2194182C Determining biodegradability of iminodiacetic acid derivatives, degradable chelants, uses and compositions thereof |
04/27/2006 | WO2006044952A1 Compositions for cleaning with softened water |