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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05/24/2005 | US6896980 Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same |
05/24/2005 | US6896814 Multistage process; controlling voltage |
05/24/2005 | CA2099162C Method and composition for inhibiting silica and silicate deposition |
05/19/2005 | WO2005046288A2 Waterboiler system with solids removal apparatus |
05/19/2005 | WO2005044868A1 Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water |
05/19/2005 | WO2005044736A1 Auto-regenerable hot and cold water softener |
05/19/2005 | WO2005010454A3 Cleaning agent, device and process for removing scale |
05/19/2005 | US20050104031 Water treatment; reaction product of amine and phosphoric acid, phosphonic acid; treat water in a boiler and boiler feedlines or cooling tower; water purification |
05/19/2005 | US20050103723 Water treatment system and method |
05/19/2005 | US20050103722 Using electrochemistry device; measuring physical properties; deionization |
05/19/2005 | US20050103717 A pressurized reservoir system in line with an electrodeionization device; provides treated water to a point of use by removing any hardness-causing species contained in water from a water source |
05/19/2005 | US20050103631 Water treatment system and method |
05/19/2005 | US20050103630 Water treatment system and method |
05/19/2005 | US20050103622 Water treatment system and method |
05/19/2005 | CA2544771A1 Taurine-modified acrylic acid-based homopolymers for water treatment |
05/18/2005 | CN1616361A Composite scale-proof corrosion inbibitor containing poly epoxy succinic acid and its use |
05/18/2005 | CN1202028C Pretreatment filming agent and pretreatment filming method for circulating cooling water system |
05/18/2005 | CN1202027C Modified lignin sulfonate water treatment agent and its preparation method |
05/12/2005 | WO2005042803A1 Water treatment device |
05/12/2005 | WO2005042037A1 Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module |
05/11/2005 | EP1529758A1 Discharge apparatus |
05/11/2005 | CN1615273A Fractional deionization process |
05/10/2005 | CA2083590C Polymers for the treatment of boiler water |
05/06/2005 | WO2005040050A1 Formulation for corrosion and scale inhibition |
05/06/2005 | CA2541449A1 Preparation for corrosion and scale inhibition |
05/05/2005 | US20050092672 Waterboiler system with solids removal apparatus |
05/04/2005 | EP1528222A1 Process to prevent the formation of scale deposits in tunnel drainage systems |
05/04/2005 | EP1527078A2 Novel phosphonocarboxylic acid esters |
05/04/2005 | CN1199885C Composite scale resistant corrosion inhibitor and its use in reusing ammonia-nitrogen containing waste awter in circulating cooling water |
05/04/2005 | CN1199884C Antiscale and anticorrosive cleaning agent for boiler and its prepn |
04/27/2005 | EP1525206A1 Polyaminomethylenephos phonate derivatives |
04/27/2005 | CN1609020A Water treating method with scale and corrosion inhibitor containing epoxy amber acid polymer |
04/27/2005 | CN1609019A Scale and corrosion inhibiting method for industrial boiler |
04/26/2005 | CA2369244C An integrated method for steam-enhanced bitumen production using a process waste stream for flue gas desulphurization |
04/21/2005 | WO2005035104A1 Method for removing at least one constituent from a solution |
04/20/2005 | EP1523487A1 Method of preventing or reducing aluminosilicate scale in a bayer process |
04/20/2005 | EP0975551B1 Inhibition of calcium oxalate scale in aqueous based solutions |
04/20/2005 | CN1607189A Industrial boiler heat delivery surface dirty-proof method |
04/19/2005 | US6881244 Method and device for preventing deposits in steam systems |
04/19/2005 | US6881231 Reducing deposition of mineral salts, in particular, from aqueous supersaturated solutions; reducing scaling |
04/14/2005 | WO2005032698A1 Method for avoiding clogging of filtration membranes |
04/13/2005 | EP1522339A1 Method and apparatus for removing at least one constituent from a solution |
04/12/2005 | US6878309 Slowly releases the additive components to aqueous system, thereby delivering an effective concentration level of additive components over an extended period |
04/07/2005 | WO2005030655A1 Use of cerium salts to inhibit manganese deposition in water systems |
04/07/2005 | WO2005012192B1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
04/07/2005 | WO2005005329A3 Water-softening method |
04/07/2005 | WO2004106246A3 Methods, devices and compounds for dosing additives to water systems |
04/07/2005 | US20050072720 Point-of-use water softener |
04/07/2005 | DE10340923A1 Unit protecting hot water storage and heating cylinder from limescale deposition by intentional crystal nucleation, has container for nucleation granules with side inlet openings |
04/06/2005 | EP1519899A1 Filter appliance and inner container for a filter appliance |
04/06/2005 | CN2690389Y Descaling and anti-scaling device |
04/06/2005 | CN1603253A Composite anti-dirty corrosion inhibiting agent and application thereof |
04/06/2005 | CN1603252A Composite anti-dirty corrosion inhibiting agent and application thereof |
04/05/2005 | CA2252697C Use of hydroxamated polymers to alter bayer process scale |
03/31/2005 | WO2005028377A1 Wastewater purification method |
03/31/2005 | WO2005028088A1 Treatment of semi-permeable filtration membranes |
03/30/2005 | CN2688692Y Preparing system for solid-liquid mixed emulsion |
03/30/2005 | CN1194912C Dispersing and antisludging corrosion inhibitor of low-phosphorus polymer |
03/29/2005 | CA2241529C Methods and compositions for controlling biofouling using fluorosurfactants |
03/24/2005 | WO2005026614A1 Vapor producing device and cooker with the same |
03/24/2005 | WO2005026065A1 Treatment of iron sulphide deposits |
03/24/2005 | US20050061753 Adding a cerium-containing compound into an aqueous system to stabilize manganese against chemical oxidation |
03/24/2005 | US20050061197 contacting biofilm with an aqueous medium containing bromine based-biocide: a sulfamate-stabilized, bromine-based biocide or 1,3-dibromo-5,5-dialkylhydantoin; a biodispersant |
03/23/2005 | EP1515917A1 Method for precipitating or flocculating substances contained in solutions |
03/23/2005 | CN1597572A Sulfuric acid type composite water cleaning agent |
03/23/2005 | CN1597076A Process for treating aqueous systems |
03/22/2005 | US6869529 Automatic chemical feed system |
03/22/2005 | US6869503 Composition for inhibiting calcium salt scale |
03/17/2005 | US20050056589 Treatment of semi-permeable filtration membranes |
03/16/2005 | CN1193086C Cleaning compositon |
03/09/2005 | CN1589625A Process for preparing biocide formulations |
03/09/2005 | CN1192127C Scale inhibiting method, detergent and use of copolymer in detergent |
03/08/2005 | US6863822 Method and apparatus for parallel desalting |
03/08/2005 | US6863808 Modular water softener system |
03/02/2005 | CN2682057Y Gravity flow type resin regeneration water softener |
02/24/2005 | WO2005017231A1 Inhibition of corrosion in fluid systems |
02/24/2005 | WO2004090067A3 Drilling fluids with improved shale inhibition and methods of use in subterranean formations |
02/24/2005 | US20050042239 Micro-mixied water and water insoluble biocide such as 2-octyl-3-isothiazolone or 4,5-dichloro-2-octyl-3-isothiazolone; corrosion inhibitior, agrichemical, antiscale agents, dispersants, and/or acrylic polymers; surfactant-free |
02/24/2005 | US20050042238 Process for treating aqueous systems |
02/24/2005 | US20050040363 comprising mixtures of sequestration, chelation, buffers, dispersants, peptization, deflocculation, emulsifiers, abrasives and adsorbers, used for corrosion resistance, as antiscaling agents and to improve heat exchanging in heating, ventilation and air conditioning (HVAC) systems |
02/24/2005 | US20050040112 Method and apparatus for reducing scale, corrosion, and paraffin buildup in hydrocarbon piping |
02/23/2005 | EP1508363A1 Process for treating aqueous systems |
02/23/2005 | EP1508276A1 Process for preparing biocide formulations in the form of emulsion |
02/22/2005 | US6858180 Process for inhibiting scale |
02/21/2005 | CA2477365A1 Process for preparing biocide formulations |
02/17/2005 | US20050035328 Modified amine for boiler water treatment |
02/16/2005 | CN1579962A Incrustation scale protective composition, and its preparing method and use |
02/15/2005 | US6855257 Method and system for heat transfer |
02/15/2005 | US6855252 Chemical dispenser cartridge for filter devices |
02/10/2005 | WO2005012193A1 Scale inhibition in water systems |
02/10/2005 | WO2005012192A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
02/10/2005 | CA2531063A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
02/09/2005 | CN2677370Y Water outlet pipe for water of dechloration descaling and activation |
02/03/2005 | WO2005010454A2 Cleaning agent, device and process for removing scale |
02/03/2005 | US20050025661 Inhibition of corrosion in fluid systems |
02/03/2005 | US20050023505 Controlled release cooling additive composition |
02/02/2005 | CN2675643Y Automatic regenerated water softening treatment device for household |
02/02/2005 | CN2675638Y Descaling apparatus by means of differential temperature method |
02/02/2005 | CN2675637Y Flexible sectionalized continuous mixing reactor for water treatment |
02/01/2005 | US6849188 Magnetic conditoning of fluids and gases and apparatus therefor |