| 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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| 05/03/2001 | US20010000619 Sorbic acid and/or its derivatives, such as potassium sorbate, as a preventative for rust, corrosion and scale on metal surfaces |
| 05/02/2001 | EP1095912A1 Process for water treatment |
| 05/02/2001 | EP1094989A1 Sequestering method and agents for carrying out said method |
| 05/02/2001 | EP0904253B1 Method for desalinating and demineralising solutions containing acids and/or metal salts |
| 05/02/2001 | CN1293157A Allochroic antiscale |
| 05/02/2001 | CN1293153A Process for treating circulated cooling water in production of sodium hydroxide |
| 05/01/2001 | US6225430 Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors |
| 04/26/2001 | WO2001029286A1 All-organic corrosion inhibitor composition and uses thereof |
| 04/26/2001 | DE19948054A1 Spring-mounted multi-position adjustable articulated arm presents descaling fluid bath to water tap nozzle |
| 04/24/2001 | US6221263 Automatic fluid treatment, pressurized fire protection, for prevention or controlled deposition and microbial introduced dor delivery to sprinklers with pressure drop and storage, detection and delivery |
| 04/18/2001 | CN1291590A Magnetization device of water |
| 04/18/2001 | CN1064752C Organic anti-scale corrosion inhibitor and its compounding process for low-pressure boiler |
| 04/17/2001 | US6218491 Pendant amine group is an amine-sulfide moiety present |
| 04/17/2001 | CA2070445C Phosphinic acid-containing polymers and their use in preventing scale and corrosion |
| 04/12/2001 | WO2001025152A1 Device and method for removing deposits and incrustations in water installations |
| 04/12/2001 | DE19948405A1 Vorrichtung und Verfahren zur Ablösung von Belägen und Inkrustationen in Wasseranlagen Apparatus and method for separation of deposits and incrustations in water systems |
| 04/11/2001 | EP0946806B1 Household appliance and cassette with disincrustant means, and disincrustant method in a household appliance |
| 04/11/2001 | CN1290481A Tablet |
| 04/05/2001 | WO2001023966A1 System and method for controlling effluents in treatment systems |
| 04/04/2001 | EP1088794A2 Polymers containing styrene and unsaturated polycarboxylates as monomers for high stressed water treatment application |
| 04/04/2001 | EP1087911A1 Method for precipitating or flocculating substances out of solutions |
| 04/04/2001 | EP1087910A1 Method and plant for treating water with high degree of hardness and/or having a high sulphate content |
| 04/03/2001 | US6210586 Adding dispersant polymer made from ethylenically unsaturated monomers and structuring agents to process water for disperse insoluble precipitates |
| 03/29/2001 | WO2001021536A1 Method for combating hard water and scale by using algins |
| 03/29/2001 | CA2321604A1 Styrene containing polycarboxylates for high stressed water treatment applications |
| 03/28/2001 | EP1087009A2 Pellet compositions |
| 03/28/2001 | CN1063803C Composite corrosion-inhibiting scale-resisting agent for water with strong corrosion performance |
| 03/27/2001 | US6207079 Comprising polyaspartic acid, water soluble phosphonated oligomer; non-toxic, contain no heavy metals, and have little or no phosphorus |
| 03/24/2001 | CA2317977A1 Pellets |
| 03/21/2001 | EP1085033A2 Salts of polyaspartic acid by high temperature reaction |
| 03/15/2001 | WO2001017898A1 Suspension system using fumed silica |
| 03/13/2001 | US6200529 Corrosion inhibition method suitable for use in potable water |
| 03/13/2001 | CA2154472C Fluid treatment device and method |
| 03/08/2001 | DE19944547C1 Surfactant mixture of alkyloligoglycosides and betaine, useful in cosmetic, pharmaceutical and cleaning compositions, is almost odorless |
| 03/08/2001 | DE19922535A1 Vorrichtung zur Waschwasserenthärtung Apparatus for softening of washing water |
| 03/07/2001 | EP1080044A1 Inorganic composition, process of preparation and method of use |
| 03/06/2001 | US6197736 Alkaline cleaning solution |
| 02/22/2001 | WO2001012559A1 On premise water treatment system and method |
| 02/22/2001 | CA2381309A1 On premise water treatment system and method |
| 02/21/2001 | CN1284480A Dispersing and antisludging corrosion inhibitor of low-phosphorus polymer and its preparation |
| 02/21/2001 | CN1062348C Rubber ball cleaning system for steam condenser |
| 02/21/2001 | CN1062242C Compound corrosion-inhibiting antisludging agent for treating circular cooling water and its using method |
| 02/13/2001 | US6187262 Inhibition of corrosion in aqueous systems |
| 02/13/2001 | US6187195 Use of polyaspartic acids and their mixtures with surfactants and emulsifiers for inhibiting or delaying deposit formation by sparingly soluble organic and inorganic components in the treatemnt of an aqueous feed using at least one membrane |
| 02/08/2001 | DE19924706A1 Verwendung von Copolymeren der Maleinsäure als Inhibitor von Calciumoxalatbelägen The use of copolymers of maleic acid as an inhibitor of Calciumoxalatbelägen |
| 02/06/2001 | US6184336 Useful as chelants in water treatment |
| 02/06/2001 | US6184321 Dispersing mineral material in aqueous medium, by employing a polymer as a milling agent and/or dispersant |
| 02/06/2001 | US6183649 Method for treating water circulating systems |
| 02/01/2001 | WO2001007682A1 Corrosion inhibition method suitable for use in potable water |
| 02/01/2001 | CA2380325A1 Corrosion inhibition method suitable for use in potable water |
| 01/31/2001 | CN1281824A Sterilizing method for circulating water system |
| 01/30/2001 | US6180056 Method and compositions for minimizing biological and colloidal fouling |
| 01/30/2001 | CA2107939C Acidic aqueous cleaning compositions |
| 01/23/2001 | US6177047 Mixture of aminotrimethylenephosphonic acid, zinc chloride, aluminum compound and hydrochloric acid |
| 01/17/2001 | EP0975551A4 Inhibition of calcium oxalate scale in aqueous based solutions |
| 01/17/2001 | CN2415030Y Water treating device |
| 01/17/2001 | CN1280606A Method of forming corrosion inhibiting films with hydrogenated benzotriazole derivatives |
| 01/17/2001 | CN1060785C Water-soluble addition polymers of cyclohexene enhydrides |
| 01/16/2001 | US6174445 Treatment of water with polynucleate metal hydroxide compounds |
| 01/10/2001 | EP1067214A1 Chemical for water treatment and method of water treatment |
| 01/09/2001 | CA2056379C Biocidal methods and compositions for recirculating water systems |
| 01/03/2001 | EP0946944A4 Polymer dispersants and methods of use in a nuclear steam generator |
| 12/28/2000 | WO2000079095A1 Reduction in mineral salt deposition |
| 12/28/2000 | DE10010644A1 Container of positively-polarised water saddle-mounted upright on cold pipe minimises limescale and has no installation or running costs |
| 12/28/2000 | CA2377624A1 Reduction in mineral salt deposition |
| 12/27/2000 | EP0530358B2 Polyaspartic acid compostion, method of its production and its use |
| 12/26/2000 | US6166149 Hydrophilic graft polymer, production process therefor, composition containing the polymer, and use thereof |
| 12/21/2000 | WO2000076922A2 Methods of preventing scaling involving inorganic compositions, and compositions therefor |
| 12/20/2000 | EP1060135A1 Process for controlling scale in the sugar process |
| 12/19/2000 | US6162391 Preventing the adherence of various scales generated in water systems, such as cooling water systems, boiler water systems by adding a polymer formed from atleast 50% of n-vinyl formamide or n-vinyl acetamide units and a phosphorus compound |
| 12/14/2000 | WO2000075399A2 Composition and method for inhibition of metal corrosion |
| 12/13/2000 | EP1059268A2 Device for treating a fluid with ultra-high magnetic force |
| 12/13/2000 | CN1276346A Super-high magnetic fluid treating apparatus |
| 12/12/2000 | CA2075243C Method of dispersing iron |
| 12/12/2000 | CA2046691C Method of inhibiting deposition on heat transfer surfaces in boilers |
| 12/12/2000 | CA2029073C Scale control in aqueous systems |
| 12/07/2000 | WO2000073218A1 Utilization of maleic acid copolymers as inhibitors of calcium oxalate coatings |
| 12/07/2000 | WO2000072932A2 Water softener valve |
| 12/07/2000 | WO2000072684A2 A composition and method for cleaning surfaces |
| 12/07/2000 | CA2375338A1 Utilization of maleic acid copolymers as inhibitors of calcium oxalate coatings |
| 12/06/2000 | EP0850198B1 Magnesiosilicates |
| 12/06/2000 | CN1059180C Flooding water treatment method by mixing clean water with sewage |
| 11/29/2000 | CN1058945C Boiling-preventing and antifreezing coolant for diesel locomotive and its prepn. |
| 11/28/2000 | US6153106 Method for inhibiting the formation and deposition of silica scale in water systems |
| 11/22/2000 | EP1053922A2 Wash water softening device |
| 11/22/2000 | EP0946268A4 Method and apparatus for high efficiency reverse osmosis operation |
| 11/22/2000 | CN2406999Y Sealed softened water circulation for filled water cooling system |
| 11/14/2000 | US6146538 Method of inhibiting scale formation |
| 11/14/2000 | US6146495 Kraft process for the production of wood pulp by adding a copolymer of 1,2-dihydroxy-3-butene antiscalant |
| 11/02/2000 | EP0789595A4 Synergistic biocidal combinations |
| 11/01/2000 | CN1057983C Drum descaling method of waste water centrifugal extraction and reverse extraction unit |
| 10/31/2000 | US6139767 Carboxylated polymers, process for the production of the same, and gels thereof |
| 10/31/2000 | CA2035064C Method of controlling silica deposition in aqueous systems |
| 10/26/2000 | DE19918073A1 Process and assembly to adjust water hardness registers hardness of incoming water registered at inlet measuring point, selects desired water hardness and blends soft and hard water |
| 10/24/2000 | US6136219 Non toxic; water solubility; for clarification of bodies of water such as ponds and lakes |
| 10/24/2000 | CA2182674C Acidic cleaning compositions |
| 10/19/2000 | WO2000061500A1 Method and plant for treating water with high degree of hardness and/or having a high sulphate content |
| 10/19/2000 | WO2000030985A3 Scale and corrosion inhibitor |
| 10/18/2000 | EP1045045A1 Composition and process for the conditioning of water for industrial use |
| 10/18/2000 | EP1044164A1 Improvements relating to the bayer process |