| 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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| 10/10/2001 | CN1072615C Method for inhibiting sulfate scale in aqueous system using poly(amino acids) |
| 10/04/2001 | WO2001072402A2 Process for management of industrial wastes |
| 10/04/2001 | EP1137651A1 1-hydroxy-3-sulfonoalkane-1,1-diphosphonous acids |
| 10/04/2001 | CA2401703A1 Process for management of industrial wastes |
| 10/02/2001 | CA2061040C Compatible corrosion inhibitor combinations |
| 09/27/2001 | WO2001070638A1 Composition preventing formation of scale and corrosion of equipment in the process of preparation of specially pure or sterile water |
| 09/27/2001 | US20010023841 Controller for salt dosage for a water softener and method of regenerating a water softener |
| 09/27/2001 | DE10017012A1 Process for reducing slime and deposit formation in (partly) closed systems conveying water or aqueous media, e.g. in paper machines or cooling water cycle, involves adding sulfur-free lignin or derivative |
| 09/26/2001 | EP1135396A1 Phosphonate-containing mixtures |
| 09/26/2001 | EP0868578B1 Device for decalcifying water outlets |
| 09/26/2001 | CN1314312A Descaling and rust-proof agent for automobile radiator |
| 09/26/2001 | CN1071821C Steam iron |
| 09/25/2001 | US6293298 Water softener valve |
| 09/20/2001 | US20010022947 Corrosion inhibition method suitable for use in potable water |
| 09/19/2001 | EP1133451A2 Scale and corrosion inhibitor |
| 09/19/2001 | EP1133450A1 Leaching divalent metal salts |
| 09/19/2001 | CN1313837A Process for the inhibition of scale in harsh system and novel antiscalants for same |
| 09/19/2001 | CN1071286C Fluid treatment device and method |
| 09/18/2001 | US6289988 Desulfurization of effluent gases using high alkalinity water produced in industrial processes such as in bitumen recovery and tar sands mining and extraction |
| 09/12/2001 | EP1132344A1 Attachable energy body for prevention of scaling and corrosion in water conduits and installations |
| 09/12/2001 | EP0973861B1 Water-soluble, water-softening builder |
| 09/12/2001 | CN1312865A Inhibition of corrosino in aqueous systems |
| 09/12/2001 | CN1312776A Composition for water treatment |
| 09/12/2001 | CN1070870C Method for preparation of sulfonation product for conjugated diene or copolymer |
| 09/07/2001 | WO2001064972A1 Metal oxides dispersant composition |
| 09/07/2001 | WO2001064006A2 Treatment of scale |
| 09/07/2001 | CA2401630A1 Metal oxides dispersant composition |
| 09/05/2001 | EP1129038A1 Composition inhibiting pipe scaling and corrosion in a water supply system |
| 09/05/2001 | CN1311709A Method for reducing scaling in electrodeionization system |
| 09/04/2001 | US6284132 Brine fill apparatus for water softener |
| 08/30/2001 | DE10107500A1 Verfahren sowie Vorrichtung zur Verhütung von Wasserstein in wasserführenden Systemen Method and apparatus for preventing water stone in water systems |
| 08/28/2001 | US6280635 Autocycle control of cooling water systems |
| 08/28/2001 | CA2038109C Liquid membrane catalytic scale dissolution method |
| 08/23/2001 | DE10005576A1 Detergent tablet for use as, e.g. dishwasher detergent, experiences buoyancy upon contact with water reservoir that it at least remains suspended in the water |
| 08/23/2001 | DE10004054A1 Verfahren und Vorrichtung zur Wasserbehandlung Method and apparatus for water treatment |
| 08/22/2001 | EP1125895A1 Process and device for scale prevention in water systems |
| 08/22/2001 | EP1124472A1 Drip-type coffee-maker comprising a water treatment device |
| 08/22/2001 | EP0641364B1 Salts of polyaspartic acid by high temperature reaction |
| 08/16/2001 | WO2001059057A1 Detergent composition in tablet form |
| 08/16/2001 | WO2000072684A3 A composition and method for cleaning surfaces |
| 08/15/2001 | CN2442985Y Water purifier |
| 08/15/2001 | CN1308663A Diesel engine antif composition |
| 08/15/2001 | CN1069704C Descaling agent for gas water heater |
| 08/09/2001 | WO2001057050A1 Novel phosphorus compounds |
| 08/09/2001 | DE10004581A1 Removing deposits from water distribution systems, useful e.g. for regenerating wells, using dissolving solution of reducing agent and complexing agent |
| 08/08/2001 | EP1121207A1 Cleaning and passivating water distribution systems |
| 08/08/2001 | CN1307649A Inhibition of silica and silicate deposition |
| 08/08/2001 | CN1306944A Compound corrosion-inhibiting scale inhibitor for treatment of circulating cooling water |
| 08/07/2001 | US6270664 Water treatment system |
| 08/02/2001 | DE10003890A1 Verfahren und Vorrichtung zum Aufbereiten von Wasser Method and apparatus for treating water |
| 08/02/2001 | DE10002660A1 Reaktor zum Enthärten und/oder Aufbereiten von Wasser Reactor for softening and / or preparation of water |
| 08/01/2001 | EP1120380A2 Reactor for water softening and/or treatment |
| 08/01/2001 | EP1119402A1 Apparatus for treating flowstreams by electromagnetic flux |
| 07/31/2001 | US6267979 Providiny aqueous system formulation comprising chelating agent, an antimicrobial to control growth of microorganisms |
| 07/31/2001 | US6267897 Through the addition of at least one plant oil. |
| 07/25/2001 | EP1117621A1 Media for water treatment |
| 07/25/2001 | CN1304889A Water treatment method and device |
| 07/24/2001 | US6264839 Forinhibiting scale deposition in a water-carrying system subject to scale formation such as reactor, a distillation apparatus, a boiler and a steam generator |
| 07/24/2001 | US6264830 On premise water treatment system and method |
| 07/24/2001 | CA2217667C A method and composition for inhibiting biological fouling in an irrigation system |
| 07/18/2001 | EP1115907A1 Inhibition of corrosion in aqueous systems |
| 07/17/2001 | US6261829 Process for combating microorganisms |
| 07/17/2001 | US6260561 Nonprecipitating; alkyloxypropylamine additives |
| 07/12/2001 | DE19960700A1 Verfahren und Vorrichtung zur Behandlung von Flüssigkeiten Method and apparatus for treatment of liquids |
| 07/12/2001 | DE10065625A1 Decalcifying unit comprises salt tank in front of chamber which serves for accommodation of salt-water, is provided with a salt-water inlet line, and is connectable to the tank holding decalcifying substances |
| 07/12/2001 | DE10065623A1 Decalcifying unit with for softening water entering into household appliance comprises flow measuring device provided with degasifying arrangement located after the tank with decalcifying substances |
| 07/04/2001 | EP1112967A1 Generator of magnetic fields incremented by the passage of fluids |
| 07/03/2001 | US6254801 Hardness-stabilizing percarboxylic acid solutions, a process for their preparation and their use |
| 06/27/2001 | EP1110914A2 Water treatment method and apparatus |
| 06/27/2001 | EP1109750A1 Process for the inhibition of scale in harsh systems and novel antiscalants for same |
| 06/27/2001 | EP0892838B1 Use of aspartic acid-containing polymers in cooling circuits with added biocides |
| 06/27/2001 | CN1301238A Process for controlling scale in the sugar process |
| 06/26/2001 | US6251680 Reacting polymer with amine |
| 06/21/2001 | WO2001044403A1 Fluorescent monomers and polymers containing same for use in industrial water systems |
| 06/21/2001 | WO2001044120A2 On premise water treatment system with temperature control water release and method |
| 06/20/2001 | EP1108682A2 Process and system for treating liquids |
| 06/14/2001 | WO2001042149A1 Method of inhibiting corrosion of yellow metal surfaces in aqueous systems |
| 06/14/2001 | WO2001042148A1 Method for removing deposits from water transmission systems and devices for supplying water |
| 06/14/2001 | WO2001042147A1 Apparatus for removing deposits and/or pollutants from water |
| 06/14/2001 | WO2001042145A1 A method of controlling microbial fouling and a control system therefor |
| 06/13/2001 | DE19959592A1 Removing deposits from water distribution systems, useful e.g. for regenerating wells, using dissolving solution of reducing agent and complexing agent |
| 06/13/2001 | DE19952135A1 Verfahren zur Behandlung von Abwasser A method of treating waste water |
| 06/12/2001 | CA2042341C Silica scale inhibition |
| 06/05/2001 | US6241884 Liquid treatment cartridge |
| 06/05/2001 | CA2081767C Formulations for iron oxides dissolution |
| 05/31/2001 | WO2001038237A1 Carbon dioxide treatment of atmospheric cooling water |
| 05/30/2001 | EP1102621A1 Method for reducing scaling in electrodeionization systems |
| 05/30/2001 | CN1297492A Chemical for water treatment and method of water treatment |
| 05/30/2001 | CN1297425A Inorganic composition, process of preparation and method of use |
| 05/30/2001 | CN1296923A Process for preparing mineralized water specially adapted for tea |
| 05/24/2001 | US20010001511 Mixing polyphosphonate, orthophosphate and phosphonate powder with water to initiate exothermic reaction, pouring the material into a mold placed inside an insulated hermetic cabinet and allowed to quiescently cool and form solid cake |
| 05/23/2001 | CN1066127C Method for direct using waste water in circular water |
| 05/22/2001 | US6235152 Process for treating an aqueous liquid containing forming calcium scale salts by adding a copolymer of 1,2-dihdroxy-3-butene antiscalant |
| 05/15/2001 | US6232419 Process for the inhibition of scale in harsh systems and novel antiscalants for same |
| 05/09/2001 | EP1097258A1 Inhibition of silica and silicate deposition |
| 05/09/2001 | CN1294092A Composite anticorrosion antifoulant for softening circulated water |
| 05/09/2001 | CN1065543C Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 05/08/2001 | US6228950 High purity acrylic homo or copolymer for treating blowdown water stream to prevent metal-oxide deposits on steam generator tubes in the secondary side of pressurized nuclear steam generator |
| 05/08/2001 | US6228283 Aqueous corrosion inhibitor |
| 05/03/2001 | WO2001012559B1 On premise water treatment system and method |