Patents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
07/2007
07/12/2007DE10138057B4 Einrichtung zum Entkalken eines Wasserauslaufs Means for descaling a water outlet
07/12/2007CA2532896A1 Distributor for water conditioner
07/11/2007EP1805107A2 Process for the preparation of highly purified, dialkyl phosphinic acids
07/11/2007CN1326167C Magnetic conditioning of fluids and gases and apparatus therefor
07/10/2007US7241391 packaging said biodegradable scale and corrosion inhibitor composition in a container fabricated from a water-soluble film; consisting of soy polymers, casein polymers and alginic acid, and alkali salts of gluconic acid; depositing said container into said water-based system
07/05/2007US20070151930 Formulation for corrosion and scale inhibition
07/05/2007US20070151927 Metal oxides dispersant composition
07/05/2007CA2634745A1 Improved biodegradability of antiscalant formulations
07/04/2007EP1802555A2 Copolymer composition for particle aggregation
07/04/2007CN1990912A Molybdenum phosphine system composite anti-erosion anti-sludging agent and preparation method thereof
07/04/2007CN1323666C Stabilized aqueuos folic acid preparation and its production
06/2007
06/27/2007CN2915837Y Biological ceramic sterilization ball
06/27/2007CN1986456A Slow released scale inhibitor and its production process and usage
06/21/2007WO2006046002A9 Improvements in or relating to a water softening product
06/13/2007CN2910898Y Means for automatically adding water treatment solid chemicals
06/13/2007CN1980575A Synergistic biocidal compositions comprising a THP salt
06/13/2007CN1978344A Water treatment process and tubular water treatment apparatus
06/13/2007CN1321077C Composite scale-proof corrosion inbibitor containing poly epoxy succinic acid and its use
06/12/2007US7229550 Potable water treatment system and apparatus
06/07/2007WO2007042475A3 Use of phytate for water treatment
06/07/2007US20070125987 Tagged scale inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith
06/07/2007US20070125978 Method for removing heavy metals from and dissolving calcium and/or magnesium scales in water or aqueous system
06/06/2007EP1792876A1 Use of gamma-polyglutamic compounds for removing heavy metals or scale in aqueous systems
06/06/2007EP1564277B1 Heat transfer medium liquid composition
06/06/2007CN2908483Y Anti-scale device
06/06/2007CN1319876C Method for preparing biodegradable water treatment agent PECS
05/2007
05/31/2007US20070119787 Water cleaning method and apparatus using trace quantities of zinc and at least one other biocide
05/30/2007CN1970460A Reverse osmosis membrane anti-scaling agent and its preparation method
05/30/2007CN1318477C Process for preparation of biodegradable corrosion-scale inhibitor poly-aspartic acid
05/29/2007CA2167612C Method of controlling fluoride scale formation in aqueous systems
05/24/2007US20070114186 Method of aerating water to promote oxidation of an iodine-related species
05/23/2007EP1519899B1 Filter appliance and method for dimensioning the filter appliance
05/23/2007CN1968900A Water-softening product and process for its preparation and use thereof
05/23/2007CN1968899A A container for a water treatment device and manufacturing method of said container
05/18/2007WO2007054536A1 Corrosion inhibition
05/17/2007US20070108127 Treatment of iron sulphide deposits
05/16/2007CN1315741C Biodegradable green compounded water treatment agent for delayed corrosion and blocking dirty, and preparation method
05/10/2007US20070105744 Water-softening product
05/10/2007US20070102367 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
05/10/2007US20070102154 Mothods of utilizing waste wasters produced by water purification processing
05/09/2007EP1781577A2 Catalytic decarbonation appliance
05/09/2007CN1314602C Antiscaling block and its production method
05/08/2007CA2360517C Carbon dioxide treatment of atmospheric cooling water
05/03/2007WO2007050531A2 Diagnostic application of mail
05/03/2007WO2007048814A1 Process for softening water using a cation exchanger, and regeneration thereof
05/02/2007EP1780310A2 Method for corrosion protection of metallic water suppling lines by using corrosion inhibitors
05/02/2007CN1313396C Corrosion inhibitor of copper nickel alloy water treatment
04/2007
04/26/2007US20070093609 Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water
04/25/2007EP1776320A1 A container for a water treatment device and manufacturing method of said container
04/25/2007CN1953939A Water-softening product, its preparation and its use
04/24/2007CA2230517C Novel phosphino derivatives
04/19/2007WO2007042475A2 Use of phytate for water treatment
04/19/2007US20070084771 Apparatus for supplying drinking water
04/18/2007CN1950304A Control of cooling water system using rate of consumption of fluorescent polymer
04/18/2007CN1948318A Tannin organic phosphorus compound and its use
04/17/2007US7204937 Metal oxides dispersant composition
04/12/2007WO2007040490A1 Pool cleaner with integral chlorine generator
04/11/2007EP1772435A2 Water-softening method
04/10/2007US7201856 Cationic polymer and multivalent inorganic salt coagulants, chlorine based disinfectant, oxidant system providing catalytic conversion of soluble divalent manganese to manganese dioxide, bridging flocculant, alkali, water insoluble silicate and nutrients; storage stability; kits
04/03/2007CA2193199C Soluble, crosslinked polyaspartates
03/2007
03/29/2007US20070072784 Contacting hard water in a washing maching with a water softening agent which when binding calcium and magnesium ions assumes a different appearance in shape, color, opacity or flexibility; retained throughout wash/rinse cycles in a package having an enclosing wall permeable to water flow
03/29/2007US20070068875 Combining waterborne bionutrients with scale particles and use of a waterborne particle remover to remove the combined particles from the water
03/28/2007EP1766084A2 Microporous materials, methods of making, using, and articles thereof
03/28/2007EP1765733A1 Water-softening product and process for its preparation and use thereof
03/28/2007CN1935701A Corrosion inhibitor for cooling system for nuclear power plant
03/28/2007CN1307113C Environmental-protection high-efficiency low-phosphonic scale inhibitor composition and its preparation method and use
03/22/2007US20070062879 adding a copolymer of vinylphosphonic acid or sodium or potassium salt or vinylsulfonic acid or salt and acrylic or methacrylic acid or salt, a terpolymer of above monomers in a water system to inhibit the formation of basrium sulfate scale at high (e.g. wellhead) and low (e.g. seabed) temperature
03/21/2007CN1931745A Low phosphate green composite corrosion and scale inhibitor for treating circular cooling water and its usage
03/21/2007CN1931744A Automobile radiator cleaning agent
03/21/2007CN1305786C Antisludging agent used in cracking gas compressor in an ethylene apparatus and its using method
03/14/2007EP1633794A4 Water-soluble polymer and its production process and uses
03/14/2007CN1927734A Coagulating removing method of calcium sulfate fouling in reverse osmosis concentrated liquid
03/14/2007CN1304306C Corrosion inhibitor for steam condensate system of industrial boiler and process for manufacturing same
03/13/2007CA2401271C Treatment of scale
03/08/2007US20070055022 Scale inhibition in mineral oil extraction, corrosion inhibition in aqueous systems; greater inhibition toward calcium phosphate and phosphonate; polymerizing methacrylic acid in the presence of isopropanol to modify, then amidating with an aminoalkylsulfonic acid such as taurine
03/07/2007EP1758825A1 Improvement of sludge quality
03/07/2007EP1578698B1 Stabilized aqueous folic acid preparation and process for providing the same
03/07/2007CN1923350A Non-phosphate alkaliproof highly effective chelating dispersion stabilizer, preparation process and use thereof
03/07/2007CN1303058C Process for preparation of biodegradable corrosion-scale inhibitor amino poly-apoxysuccinic acid
03/06/2007US7186394 Retarding agents for preparing purified brine
03/01/2007US20070045191 Auto-regenerable hot and cold water softener
02/2007
02/28/2007EP1756014A1 Water-softening product, its preparation and its use
02/28/2007EP1150923B1 Method for removing deposits from water transmission systems and devices for supplying water
02/28/2007CN1919752A Environment-friendly type composite corrosion and scale inhibitor
02/28/2007CN1919743A Recovery processing system for steam condensate
02/28/2007CN1301919C Treatment of iron sulphide deposits
02/27/2007US7183246 Of deposits, such as drink water tanks, supply water wells, water filter systems, and distributor water lines, using a combination of a cleaning solution and a disinfectant
02/27/2007CA2205717C Biodegradable poly(amino acid)s derivatized amino acid polymers and methods for making same
02/22/2007US20070043178 Water-soluble polymer and its production process and uses
02/22/2007US20070040150 Polymer coagulant solution, its preparing method and coagulation method using the same
02/21/2007EP1753895A2 Process for preventing membrane degeneration using complexing agents
02/21/2007CN1918078A Water-softening method
02/21/2007CN1916031A Hybrid copolymers
02/21/2007CN1915866A Long effective environmental protection type corrosion inhibitor for inclosed recirculated cooling water
02/21/2007CN1915865A Agent for softening hard water
02/20/2007US7179384 Control of cooling water system using rate of consumption of fluorescent polymer
02/20/2007CA2182411C Calcium carbonate scale controlling method
02/15/2007WO2007019587A1 Movable, dismountable, multipurpose water softener tube with magnets
02/15/2007WO2007017619A1 Detergent formulations based on soap and fatty acid n-methyl glucamide
02/14/2007EP1751068A1 Improved scale conditioning agents and treatment method
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