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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02/14/2007 | CN1914124A Desalination scale inhibitors |
02/08/2007 | US20070029262 Automatic and continuous; cooling towers; protects against legionella, scale, corrosion and microbiological contamination; reduces chemical, energy, water, maintenance costs |
02/08/2007 | US20070029236 Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module |
02/06/2007 | US7172677 Mixing a selected phosphonate with an aqueous digester composition to inhibit the formation, deposition and adherence of scale to metallic surfaces, particularly in commercial chemical pulp processing equipment |
02/06/2007 | CA2333046C Diesel engine antifreeze composition |
02/06/2007 | CA2287969C Use of polysaccharide polymer in a liquid acidic composition |
02/01/2007 | WO2006047545A3 Process for the preparation of highly purified, dialkyl phosphinic acids |
01/31/2007 | CN1903748A Iminocarboxylic acid salt-containing solid composition and production method thereof |
01/31/2007 | CN1903747A Corrosion real time on line monitoring control device and method |
01/31/2007 | CN1903746A Heat resistance real time on line monitoring control device of fouling and its method |
01/31/2007 | CN1297496C High frequency electronic scale removal and scale inhibition method |
01/30/2007 | CA2286158C Water-soluble, water-softening builder |
01/25/2007 | WO2006093576A3 Method for treating feedwater, feedwater treatment composition containing a scale inhibitor, and apparatus for treating feedwater |
01/25/2007 | US20070021315 Water precipitation softening system for detergents, bleaching agents and machine and hand dishwashing agents |
01/25/2007 | US20070020158 Photocatalyst water treating apparatus |
01/25/2007 | US20070020109 Cooling medium flow passage |
01/24/2007 | EP1744630A2 Synergistic biocidal compositions comprising a thp salt |
01/24/2007 | CN1902239A Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water |
01/24/2007 | CN1902135A Water treatment system and method |
01/24/2007 | CN1901996A Water treatment system and method |
01/24/2007 | CN1900124A Modified polysaccharides |
01/24/2007 | CN1296288C Deoxidizing protectant |
01/18/2007 | DE102005033158A1 Reinigungsmittel und Verfahren zu seiner Herstellung Cleaning agent and method for its preparation |
01/17/2007 | EP1743906A2 Modified polysaccharides |
01/17/2007 | EP1742717A2 Solid product dissolver and method of use thereof |
01/17/2007 | CN2858643Y Emulsion preparation equipment for lime powder |
01/16/2007 | CA2161025C Methods of controlling scale formation in the presence of metal ions in aqueous systems |
01/11/2007 | US20070007211 Methods, devices and compounds for dosing corrosion inhibitors cleaners and softening resins to water systems |
01/11/2007 | DE102005030283A1 Verfahren zur Vermeidung von Ba-/Sr-Kesselstein A process for preventing Ba / Sr scale |
01/10/2007 | EP1741677A1 Method and device for treating water |
01/10/2007 | EP1740506A2 Control of cooling water system using rate of consumption of fluorescent polymer |
01/04/2007 | WO2007000398A1 Method for avoiding the build up of ba-/sr-scale |
01/03/2007 | EP1739060A1 Water treatment system |
01/03/2007 | EP1737938A2 Vapor compression air conditioning or refrigeration system cleaning compositions and methods |
01/03/2007 | CN2853769Y Pysicochemical treatment device for circulation water |
01/03/2007 | CN1887749A Composite scale and corrosion inhibitor and its application |
01/02/2007 | US7157008 adding buffers and conditioners to water, causes precipitation of solids, then removing the precipitated solids, conditioners and buffers for disposal; water treatment; softening hard water |
12/28/2006 | WO2006137183A1 Method of papermaking |
12/28/2006 | US20060291828 Vapor production device and cooker with the same |
12/27/2006 | CN1884141A Biodegradable composite corrosion and scale inhibitor and method for preparing same |
12/27/2006 | CN1291928C Non-phosphorus compound scale and corrosion inhibitor for treatment of circulating cooling water |
12/21/2006 | WO2006134140A1 Use of copolymers containing alkylene oxide units as an additive to aqueous systems |
12/21/2006 | WO2005070028A3 Vapor compression air conditioning or refrigeration system cleaning compositions and methods |
12/21/2006 | DE202005017464U1 Solvolysis of alkaline earth metal containing incrustation/sinterization, useful for building drainage system, comprises reacting oligomers from 3,4-dihydropyrrol-2,5-dione unit and succinic acid mono amide units with alkaline earth metal |
12/21/2006 | CA2611154A1 Use of copolymers containing alkylene oxide units as an additive to aqueous systems |
12/20/2006 | EP1734011A1 A method for improving flux in a membrane bioreactor |
12/20/2006 | CN2848845Y Plugging type rare earth permanent magnet wax preventing scale remover |
12/20/2006 | CN2848838Y Nano-filtering membrane composite deep water purification device |
12/20/2006 | CN1882509A Wastewater purification method |
12/20/2006 | CN1880247A Scale-resolving agent aiming at metal sulfide scaling |
12/20/2006 | CN1880246A Composite water treating agent for industrial circulation cooling water |
12/20/2006 | CN1880245A Composite water treating agent for central air conditioner freezing water |
12/20/2006 | CN1880244A Composite water treating agent for central air conditioner cooling water |
12/19/2006 | US7150854 Device for generating aqueous chlorine dioxide solutions |
12/19/2006 | US7150831 Method of purifying fischer-tropsch derived water |
12/19/2006 | CA2268666C Method of reducing or preventing scaling |
12/19/2006 | CA2092493C N, n-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and n-oxides thereof for high ph scale control |
12/13/2006 | EP1730082A1 Water-softening method |
12/13/2006 | EP1370351A4 Controlled realease cooling additive composition |
12/13/2006 | CN1878728A Flow-through tank for water treatment |
12/13/2006 | CN1876696A Aspartate copolymer and method for preparing same |
12/13/2006 | CN1289411C Environment-friendly water quality stabilizer |
12/12/2006 | US7148351 Antiscaling agents |
12/07/2006 | WO2006130163A1 A method for improving flux in a membrane bioreactor |
12/07/2006 | WO2006129874A1 Silica-based fouling adhesion inhibitor, copolymer for the adhesion inhibitor and method of inhibiting the adhesion |
12/07/2006 | WO2005118863A3 Microporous materials, methods of making, using, and articles thereof |
12/07/2006 | US20060272198 Method for improving flux in a membrane bioreactor |
12/07/2006 | CA2610081A1 A method for improving flux in a membrane bioreactor |
12/06/2006 | CN1874793A Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module |
12/06/2006 | CN1872734A A method for improving flux in a membrane bioreactor |
12/06/2006 | CN1288230C Improved scale conditioning agents |
12/06/2006 | CN1288095C Anti-scale heater |
12/05/2006 | US7144513 Passing water through metal particulates and polyphosphates before heating to reduce scale deposits in heated water contacted portions of such systems, by forming a crystal or scale that does not adhere well to surfaces, and metal particulates include zinc, copper, iron, magnesium, manganese, tin |
12/05/2006 | US7144431 Textile finishing composition and methods for using same |
11/29/2006 | CN1868924A Trielement synergistic corrosion inhibitor |
11/28/2006 | US7141174 treating boiler water by adding a composition comprising an ester of a hydroxy amine and an acid in an amount effective to treat boiler water and related condensate |
11/22/2006 | EP1724240A1 Process for conditioning seeping water in draining systems of tunnels |
11/22/2006 | CN1865174A Treatment method for waste water containing high content calcium and organic matter |
11/22/2006 | CN1865172A Oil repellents |
11/22/2006 | CN1865171A Corrosion mitigation and antiscaling technology for copper and copper alloy apparatus used in cooling water system |
11/22/2006 | CN1864826A A scale inhibitor for reverse osmosis membrane |
11/15/2006 | EP1720954A1 Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations |
11/14/2006 | US7135118 Method for treatment against corrosion and depositions in domestic supply water stallations |
11/09/2006 | WO2006047101A3 Copolymer composition for particle aggregation |
11/09/2006 | WO2005049498A3 Water treatment system and method |
11/09/2006 | DE10231096B9 Filtervorrichtung und Innenbehälter für eine Filtervorrichtung Filter device and the inner container for a filter device |
11/08/2006 | EP1345859B1 Prevention of the deposition of calcium fluoride |
11/08/2006 | CN1283839C Preparaton process of antisludging agent |
11/02/2006 | US20060243661 Anaerobic bioreactor, an aerobic bioreactor disposed rearwardly of the anaerobic bioreactor, and a membrane separation reactor disposed rearwardly of the aerobic bioreactor; capable of removing organic pollutants in wastewater through biological treatment and separating solid from the liquid by membrane |
11/02/2006 | EP1716083A1 Desalination scale inhibitors |
11/01/2006 | CN1856449A Use of cerium salts to inhibit manganese deposition in water systems |
11/01/2006 | CN1854092A Corrosion-proofing and antisludging method of boiler |
11/01/2006 | CN1854091A Multifunctional water-treating antisludging agent of boiler |
11/01/2006 | CN1854090A Antioxidant corrosion-proofing and antisludging agent of boiler |
11/01/2006 | CN1854089A Strong-effective water-treating agent of boiler |
11/01/2006 | CN1854088A Water-treating agent with antisludging and corrosion-proofing functions |
11/01/2006 | CN1854087A Water treating agent of boiler |
11/01/2006 | CN1854086A Water treatment of boiler |
11/01/2006 | CN1854085A Scale-proofing method of boiler |
11/01/2006 | CN1854082A Corrosive-proof boiler water deoxidant |