Patents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
04/2006
04/26/2006EP1650167A1 Cooling medium flow passage
04/26/2006EP1648832A1 Scale inhibition in water systems
04/26/2006EP1017427B1 Use of a composition comprising a chelating agent and an antimicrobial compound for the treatment of biofilms
04/26/2006CN1762857A Scale inhibitor for wet method phosphoric acid manufacture
04/26/2006CN1762856A Normal temperature scale cleaning agent for automobile water tank and usage method
04/20/2006WO2006021672A3 Catalytic decarbonation appliance
04/20/2006US20060081812 Water-absorbent polymer composite and composition thereof
04/20/2006US20060081811 Iron composite particles for purifying soil or ground water, purifying agent containing the iron composite particles, and method for purifying soil or ground water
04/20/2006US20060081810 Pool chemical tablet
04/19/2006CN1252235C Improved granular material formula
04/12/2006EP1190157B1 Reduction in mineral salt deposition
04/12/2006CN1250463C Composition and method for inhibiting calcium salt scale
04/12/2006CN1250462C Water purifying and descaling agent
04/12/2006CN1250461C Composition and method for inhibiting calcium salt scale
04/11/2006CA2142415C Regulating water treatment agent dosage based on operational system stresses
04/06/2006DE102004048333A1 Pipe adapter for the introduction of a chemical agent e.g. water hardness stabiliser or anti-corrosion agent into a central heating system water circuit
04/05/2006EP1641714A2 Water-softening method
04/05/2006EP1404489A4 Improved scale conditioning agents
04/05/2006CN1754989A Method for cleaning circulating water system
04/05/2006CN1754844A Acid descaling agent for central air conditioner circulating water
04/05/2006CN1754843A Descaling agent for industrial cooling circulating water system surface cleaning
04/05/2006CN1754842A Descaling agent for air conditioner circulating water system surface cleaning
04/05/2006CN1754841A Cleaning agent of air-conditioning water system
04/05/2006CN1754840A Corrosion inhibiting and descaling agent of industrial cooling circulating water system
04/05/2006CN1754839A Industrial cooling circulating water system cleaning agent
04/05/2006CN1754838A Corrosion inhibitor of industrial cooling circulating water system
04/05/2006CN1754837A Corrosion inhibiting and descaling agent of air-conditioner system and its using method
04/05/2006CN1754836A Corrosion inhibitor of air-conditioner circulating water system and its using method
04/05/2006CN1754835A Acidic descaling agent for cooling water system
03/2006
03/30/2006WO2006033789A1 Reduced calcification in water heater system
03/30/2006WO2006033450A1 Silica fouling inhibitor and method of fouling prevention
03/29/2006EP1640343A1 Photocatalyst water treating apparatus
03/29/2006EP1639228A2 Method for stimulating an oilfield comprising using different scale-inhibitors
03/23/2006WO2006030162A1 Method and device for treating a fluid by electrolysis
03/23/2006WO2005046288A3 Waterboiler system with solids removal apparatus
03/23/2006US20060060816 Adding a water-soluble or dispersible hydrophobically modified polyether, with hydrophobic groups of alkyl, aryl, arylalkyl, cycloaliphatic, perfluroalkyl, carbosilyl, polycyclyl
03/23/2006US20060060542 Reduced calcification in water heater system
03/22/2006EP1636142A2 Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation
03/22/2006CN1749258A Preparation of polyphenol oxidase model compound and use
03/22/2006CN1749185A Method for descaling steel-making turbid circulation water
03/22/2006CN1246415C Diesel engine anti-freeze composition
03/21/2006CA2178591C Carboxymethyl inulin
03/16/2006US20060054564 Corrosion inhibitors, corrosion inhibiting heat transfer fluids, and the use thereof
03/16/2006US20060054563 Composition for preventing of slime and method for preventing slime
03/15/2006EP1635096A1 Water softener valve
03/15/2006EP1633794A1 Water-soluble polymer and its production process and uses
03/15/2006EP1472019B1 Cleaning method and cleaning fluid for aeration bodies
03/15/2006CN2765097Y Humidifier
03/14/2006CA2125223C Control of scale formation and corrosion in aqueous systems
03/08/2006CN1743282A Low-phosphorus composite antiincrustation corrosion inhibitor and its use for water treatment
03/08/2006CN1743281A Low-phosphorus antiincrustation corrosion inhibitor and its use
03/08/2006CN1244503C Corrosion inhibitor for aqueous systems
03/02/2006WO2006021672A2 Catalytic decarbonation appliance
03/02/2006US20060043340 Metal corrosion inhibitor and hydrogen chloride formation inhibitor in a crude oil atmospheric distillation unit
03/01/2006EP1630182A2 Polymer for use in the reduction of aluminosilicate scale in a bayer process
03/01/2006CN1739435A 软水淋浴器 Softener shower
02/2006
02/22/2006EP1626937A2 Methods, devices and compounds for dosing additives to water systems
02/22/2006CN1242937C Black corrosion inhibiting scale retarding agent
02/22/2006CN1242936C Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants
02/21/2006US7001873 Decontamination of surfaces contaminated with prion-infected material with oxidizing agent-based formulations
02/21/2006US7001531 Releasing polymer into coolant; concentrated aqueous solution; internal combustion engine
02/21/2006US7001524 comprises lowering solubility of precipitates and passing through removal medium
02/16/2006WO2006016385A1 A container for a water treatment device and manufacturing method of said container
02/16/2006WO2006016127A1 Improvements in or relating to a composition
02/16/2006US20060032802 Method for removing scale causing chemicals in hot water systems
02/16/2006US20060032796 Filter appliance and inner container for a filter apppliance
02/15/2006CN1733623A Antisludging agent used in cracking gas compressor in an ethylene apparatus and its using method
02/15/2006CN1733622A Corrosion inhibitor of copper nickel alloy water treatment
02/15/2006CN1733621A Corrosion inhibitor of copper-zinc alloy water treatment
02/14/2006US6998092 of a metal cooling water system containing soluble silica in source water; pretreatment removal of hardness ions (calcium and magnesium), maintenance of electroconductivity by elevating pH level to above 9.0
02/08/2006EP1622838A1 Polymer for water treatment
02/08/2006EP1414923A4 Fluid purification system
02/08/2006CN1730413A Scale handling agent and method for using same
02/07/2006US6995120 Scale control composition for high scaling environments
02/02/2006WO2005049679A3 High-molecular weight non-ionic surfactants comprising anionic terminal end groups
02/01/2006EP1621521A1 Agent for removing deposits from potable water supply utilities
02/01/2006EP1620364A1 Water-softening product
02/01/2006CN1239506C Organic silicate comprising ether, preparing process and application thereof
02/01/2006CN1239410C Industrial boiler heat delivery surface dirty-proof method
02/01/2006CN1239409C Tracing water quality stabilizer
01/2006
01/25/2006EP1618168A2 Drilling fluids with improved shale inhibition and methods of use in subterranean formations
01/25/2006CN1724415A Environment protecting type compound water treatment agent
01/25/2006CN1238276C Oilfield underground solid anti-scaling agent and its production technology
01/24/2006US6989109 in order to both control water pH and reduce and/or eliminate chlorine, chloramines and ammonia build-up; includes monopotassium phosphate and sodium hydrosulfite; balance being water
01/24/2006US6989095 Fluid conditioner for reducing scale, corrosion and paraffin buildup in hydrocarbon piping
01/17/2006US6986852 Conditioning agents based on polysuccinimide (PSI) or its partial hydrolysates in combination with fatty acids or their derivatives for preventing deposits which form in standing or flowing water system due to hardness forming ions
01/11/2006CN1235818C Polynary itaconic acid copolymer anti-sludging agent and preparing method
01/11/2006CN1235809C Process of preventing and removing water scale by thermal method and apparatus thereof
01/05/2006WO2006001667A1 Multifunctional water treating composition and water-treating method using the same
01/05/2006US20060000233 Cooling system and method for using cooling system
01/04/2006EP1610880A1 Control valve assembly
01/04/2006CN1715451A High efficiency corrosion inhibiting scale retardant
01/04/2006CN1715216A Stable corrosion inhibiting anti-scaling agent
01/04/2006CN1715215A Corrosion inhibiting anti-scaling agent
01/04/2006CN1715214A Acid descaling agent
01/04/2006CN1234625C Composite scale-inhibiting corrosion inhibitor suitable for reusing ammonia nitrogen containing effluent as circular cooling water
01/04/2006CN1234624C Fragrance deodorizing filtering and cleaning block and making method thereof
12/2005
12/29/2005WO2005123612A2 Composition comprising metal-ion sequestrant
12/29/2005WO2005123607A1 Improvement of sludge quality
12/29/2005WO2005113457A3 Closed loop flow control of a hplc constant flow pump to enable low-flow operation
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