Patents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
02/2007
02/14/2007CN1914124A Desalination scale inhibitors
02/08/2007US20070029262 Automatic and continuous; cooling towers; protects against legionella, scale, corrosion and microbiological contamination; reduces chemical, energy, water, maintenance costs
02/08/2007US20070029236 Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module
02/06/2007US7172677 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
02/06/2007CA2333046C Diesel engine antifreeze composition
02/06/2007CA2287969C Use of polysaccharide polymer in a liquid acidic composition
02/01/2007WO2006047545A3 Process for the preparation of highly purified, dialkyl phosphinic acids
01/2007
01/31/2007CN1903748A Iminocarboxylic acid salt-containing solid composition and production method thereof
01/31/2007CN1903747A Corrosion real time on line monitoring control device and method
01/31/2007CN1903746A Heat resistance real time on line monitoring control device of fouling and its method
01/31/2007CN1297496C High frequency electronic scale removal and scale inhibition method
01/30/2007CA2286158C Water-soluble, water-softening builder
01/25/2007WO2006093576A3 Method for treating feedwater, feedwater treatment composition containing a scale inhibitor, and apparatus for treating feedwater
01/25/2007US20070021315 Water precipitation softening system for detergents, bleaching agents and machine and hand dishwashing agents
01/25/2007US20070020158 Photocatalyst water treating apparatus
01/25/2007US20070020109 Cooling medium flow passage
01/24/2007EP1744630A2 Synergistic biocidal compositions comprising a thp salt
01/24/2007CN1902239A Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water
01/24/2007CN1902135A Water treatment system and method
01/24/2007CN1901996A Water treatment system and method
01/24/2007CN1900124A Modified polysaccharides
01/24/2007CN1296288C Deoxidizing protectant
01/18/2007DE102005033158A1 Reinigungsmittel und Verfahren zu seiner Herstellung Cleaning agent and method for its preparation
01/17/2007EP1743906A2 Modified polysaccharides
01/17/2007EP1742717A2 Solid product dissolver and method of use thereof
01/17/2007CN2858643Y Emulsion preparation equipment for lime powder
01/16/2007CA2161025C Methods of controlling scale formation in the presence of metal ions in aqueous systems
01/11/2007US20070007211 Methods, devices and compounds for dosing corrosion inhibitors cleaners and softening resins to water systems
01/11/2007DE102005030283A1 Verfahren zur Vermeidung von Ba-/Sr-Kesselstein A process for preventing Ba / Sr scale
01/10/2007EP1741677A1 Method and device for treating water
01/10/2007EP1740506A2 Control of cooling water system using rate of consumption of fluorescent polymer
01/04/2007WO2007000398A1 Method for avoiding the build up of ba-/sr-scale
01/03/2007EP1739060A1 Water treatment system
01/03/2007EP1737938A2 Vapor compression air conditioning or refrigeration system cleaning compositions and methods
01/03/2007CN2853769Y Pysicochemical treatment device for circulation water
01/03/2007CN1887749A Composite scale and corrosion inhibitor and its application
01/02/2007US7157008 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
12/2006
12/28/2006WO2006137183A1 Method of papermaking
12/28/2006US20060291828 Vapor production device and cooker with the same
12/27/2006CN1884141A Biodegradable composite corrosion and scale inhibitor and method for preparing same
12/27/2006CN1291928C Non-phosphorus compound scale and corrosion inhibitor for treatment of circulating cooling water
12/21/2006WO2006134140A1 Use of copolymers containing alkylene oxide units as an additive to aqueous systems
12/21/2006WO2005070028A3 Vapor compression air conditioning or refrigeration system cleaning compositions and methods
12/21/2006DE202005017464U1 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
12/21/2006CA2611154A1 Use of copolymers containing alkylene oxide units as an additive to aqueous systems
12/20/2006EP1734011A1 A method for improving flux in a membrane bioreactor
12/20/2006CN2848845Y Plugging type rare earth permanent magnet wax preventing scale remover
12/20/2006CN2848838Y Nano-filtering membrane composite deep water purification device
12/20/2006CN1882509A Wastewater purification method
12/20/2006CN1880247A Scale-resolving agent aiming at metal sulfide scaling
12/20/2006CN1880246A Composite water treating agent for industrial circulation cooling water
12/20/2006CN1880245A Composite water treating agent for central air conditioner freezing water
12/20/2006CN1880244A Composite water treating agent for central air conditioner cooling water
12/19/2006US7150854 Device for generating aqueous chlorine dioxide solutions
12/19/2006US7150831 Method of purifying fischer-tropsch derived water
12/19/2006CA2268666C Method of reducing or preventing scaling
12/19/2006CA2092493C N, n-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and n-oxides thereof for high ph scale control
12/13/2006EP1730082A1 Water-softening method
12/13/2006EP1370351A4 Controlled realease cooling additive composition
12/13/2006CN1878728A Flow-through tank for water treatment
12/13/2006CN1876696A Aspartate copolymer and method for preparing same
12/13/2006CN1289411C Environment-friendly water quality stabilizer
12/12/2006US7148351 Antiscaling agents
12/07/2006WO2006130163A1 A method for improving flux in a membrane bioreactor
12/07/2006WO2006129874A1 Silica-based fouling adhesion inhibitor, copolymer for the adhesion inhibitor and method of inhibiting the adhesion
12/07/2006WO2005118863A3 Microporous materials, methods of making, using, and articles thereof
12/07/2006US20060272198 Method for improving flux in a membrane bioreactor
12/07/2006CA2610081A1 A method for improving flux in a membrane bioreactor
12/06/2006CN1874793A Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module
12/06/2006CN1872734A A method for improving flux in a membrane bioreactor
12/06/2006CN1288230C Improved scale conditioning agents
12/06/2006CN1288095C Anti-scale heater
12/05/2006US7144513 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
12/05/2006US7144431 Textile finishing composition and methods for using same
11/2006
11/29/2006CN1868924A Trielement synergistic corrosion inhibitor
11/28/2006US7141174 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
11/22/2006EP1724240A1 Process for conditioning seeping water in draining systems of tunnels
11/22/2006CN1865174A Treatment method for waste water containing high content calcium and organic matter
11/22/2006CN1865172A Oil repellents
11/22/2006CN1865171A Corrosion mitigation and antiscaling technology for copper and copper alloy apparatus used in cooling water system
11/22/2006CN1864826A A scale inhibitor for reverse osmosis membrane
11/15/2006EP1720954A1 Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations
11/14/2006US7135118 Method for treatment against corrosion and depositions in domestic supply water stallations
11/09/2006WO2006047101A3 Copolymer composition for particle aggregation
11/09/2006WO2005049498A3 Water treatment system and method
11/09/2006DE10231096B9 Filtervorrichtung und Innenbehälter für eine Filtervorrichtung Filter device and the inner container for a filter device
11/08/2006EP1345859B1 Prevention of the deposition of calcium fluoride
11/08/2006CN1283839C Preparaton process of antisludging agent
11/02/2006US20060243661 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
11/02/2006EP1716083A1 Desalination scale inhibitors
11/01/2006CN1856449A Use of cerium salts to inhibit manganese deposition in water systems
11/01/2006CN1854092A Corrosion-proofing and antisludging method of boiler
11/01/2006CN1854091A Multifunctional water-treating antisludging agent of boiler
11/01/2006CN1854090A Antioxidant corrosion-proofing and antisludging agent of boiler
11/01/2006CN1854089A Strong-effective water-treating agent of boiler
11/01/2006CN1854088A Water-treating agent with antisludging and corrosion-proofing functions
11/01/2006CN1854087A Water treating agent of boiler
11/01/2006CN1854086A Water treatment of boiler
11/01/2006CN1854085A Scale-proofing method of boiler
11/01/2006CN1854082A Corrosive-proof boiler water deoxidant
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ... 87