| 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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| 03/11/2009 | CN101381179A Formaldehyde comprehensive utilization method in acidic industrial effluent |
| 03/11/2009 | CN101381170A Corrosion inhibitor of internal combustion engine cooling liquid and production process |
| 03/11/2009 | CN101381169A Corrosion inhibition method of primary reverse osmosis water from desalination of sea water |
| 03/11/2009 | CN101381168A Fluorescence labeling acrylic acid-sodium acrylic sulphonate co-polymer water treatment agent and preparation method thereof |
| 03/11/2009 | CN101381148A Method for removal of arsenic from water |
| 03/11/2009 | CN100467944C Vapor producing device and cooker with the same |
| 03/05/2009 | WO2009028315A1 Method and apparatus for treating water containing organic matter |
| 03/05/2009 | DE102007040247A1 Korrosionsinhibitor Corrosion inhibitor |
| 03/04/2009 | CN201201915Y Waste water dosing visual control device |
| 03/04/2009 | CN101379000A Control of the thickening of silicate-containing aqueous systems |
| 03/04/2009 | CN101378999A Method for controlling the thickening of aqueous systems |
| 03/03/2009 | US7497953 Automatic and continuous; protects against legionella, scale, corrosion and microbiological contamination; synergistic combination of zinc and iodine components added to make up and recirculation water; reduces chemical, energy, water, pollution and maintenance costs |
| 02/27/2009 | CA2639110A1 Salometer and flow rate sensor assembly |
| 02/26/2009 | WO2008135987A3 Method and apparatus for reducing metal concentration in water |
| 02/25/2009 | EP1402111B1 A method for treating circulation waters |
| 02/25/2009 | CN101374923A Scale inhibiting well treatment |
| 02/25/2009 | CN101372496A Corrosion inhibitor |
| 02/24/2009 | CA2362639C Process for removing deposits from water-carrying systems and devices for water supply |
| 02/19/2009 | WO2009021852A1 Inhibition of corrosion in boilers by polyhydroxy benzene addition |
| 02/19/2009 | US20090048144 Water softening product |
| 02/18/2009 | CN101367583A Method of preparing novel non-phosphate inhibitor |
| 02/18/2009 | CN101367582A Novel non-phosphate inhibitor |
| 02/18/2009 | CN100462313C Industrial water treating agent and preparation method |
| 02/17/2009 | CA2403837C Use of control matrix for boiler control |
| 02/12/2009 | US20090039020 Methods for reducing boron concentration in high salinity liquid |
| 02/11/2009 | EP2021291A1 Water treatment device comprising a reactor and means for injecting a reagent into the reactor mounted on mobile supporting means |
| 02/11/2009 | CN101362617A High-sulfur content sewage water corrosion inhibitor and preparation method thereof |
| 02/11/2009 | CN100460566C Molybdenum phosphine system composite anti-erosion anti-sludging agent and preparation method thereof |
| 02/04/2009 | CN201190120Y Automatic monitoring apparatus for purification and re-use of recirculated cooling water |
| 02/04/2009 | CN100457647C Method for treating waste water of yellow ginger acid hydrolysis |
| 02/03/2009 | US7485259 Organic compound and metal ion synergistic disinfection and purification system and method of manufacture |
| 01/29/2009 | WO2009014945A1 Method and system for treating feedwater |
| 01/29/2009 | WO2009013541A2 An adduct of 1-hydroxyethylidene-l, 1-diphosphonic acid and ethylened iamine disuccinic acid or a salt thereof, a method for its preparation, and the use of said adduct |
| 01/29/2009 | US20090026144 Method and device for preventing corrosion in hot water systems |
| 01/29/2009 | US20090025896 Control of the Thikening of Silicate-Containing Aqueous Systems |
| 01/29/2009 | CA2688565A1 An adduct of 1-hydroxyethylidene-l, 1-diphosphonic acid and ethylenediamine disuccinic acid or a salt thereof, a method for its preparation, and the use of said adduct |
| 01/28/2009 | CN201186891Y Apparatus using laser and semiconductor refrigeratory sheet for inducing scale |
| 01/28/2009 | CN101356122A Antiscaling agent and antiscaling method |
| 01/28/2009 | CN101353205A Method for preventing softening water from corrupting equipment |
| 01/28/2009 | CN101353204A Silicon tungsten phosphor corrosion inhibitor for demineralized water circulation and cooling system |
| 01/28/2009 | CN101353194A Liquid medicine injection apparatus |
| 01/28/2009 | CN100455589C Tannin organic phosphorus compound and its use |
| 01/27/2009 | US7481924 Cooling medium flow passage |
| 01/27/2009 | CA2407685C Method and device for reducing scale formation and/or corrosion in systems which conduct liquid |
| 01/22/2009 | US20090020728 Method for controlling the thickening of aqueous systems |
| 01/22/2009 | DE10340923B4 Verkalkungsschutzeinrichtung für ein Warmwassergerät Calcification protection device for a water heater |
| 01/21/2009 | EP2016106A1 Copolymers as scale inhibitors |
| 01/21/2009 | CN201183761Y By-pass flow processing system for recirculated cooling water |
| 01/20/2009 | CA2411685C Optimised pellet formulations |
| 01/20/2009 | CA2329330C Inorganic composition, process of preparation and method of use |
| 01/15/2009 | US20090018295 Polymers for preventing or reducing aluminosilicate scale in a bayer process |
| 01/14/2009 | EP2013324A2 Formulations with unexpected cleaning performance incorporating a biodegradable chelant |
| 01/14/2009 | CN201180103Y Medicine feeding pot of solid water treating agent |
| 01/08/2009 | WO2006072944A3 Zero valent metal composite for catalyticaly treating contaminated water |
| 01/08/2009 | US20090011403 Microporous materials, methods of making, using, and articles thereof |
| 01/07/2009 | CN201175297Y Improved soft-water bathing device |
| 01/07/2009 | CN101337744A Non-phosphate corrode-releasing antisludging agent and method for synthesizing same |
| 12/31/2008 | WO2009001849A1 Heat pump-type hot-water supply device |
| 12/31/2008 | EP2008976A1 Biodegradable cleaning agent |
| 12/31/2008 | EP2007684A1 Reactor and method for decalcifying water and simultaneous removal of pollutants |
| 12/24/2008 | EP1432534B8 Method for treatment against corrosion and depositions in domestic supply water installations and apparatus therefor |
| 12/24/2008 | CN101327991A Solid water treatment agent for recirculated cooling water system |
| 12/24/2008 | CN100445222C Method of purifying fischer-tropsch derived water |
| 12/18/2008 | WO2008152668A1 Container for a water treatment system |
| 12/17/2008 | EP2001807A2 Product for treating a toilet flush cistern and bowl |
| 12/17/2008 | EP1254144B2 Novel phosphorus compounds |
| 12/17/2008 | CN101323491A Acidic industrial waste water processing method and system |
| 12/17/2008 | CN100443426C Treatment method for waste water containing high content calcium and organic matter |
| 12/16/2008 | US7465760 Composition with thickeners for washing clothing |
| 12/16/2008 | US7465400 System for biodegradation of oxyanions such as perchlorate on ion exchange resins |
| 12/10/2008 | EP1999171A1 Graft polymer with hydrocarbon group and method for producing the same |
| 12/10/2008 | CN101318970A Method of preventing or reducing aluminosilicate scale in a bayer process |
| 12/10/2008 | CN101318747A Advanced treatment method for urban water of electric power plant |
| 12/10/2008 | CN101318742A Comprehensive processing method for circulating water system |
| 12/10/2008 | CN101318730A Inorganic-organic composite chemical dephosphorization agent, preparation method and application thereof |
| 12/10/2008 | CN100441526C Long effective environmental protection type corrosion inhibitor for inclosed recirculated cooling water |
| 12/09/2008 | US7462296 Formulation for providing safe, clean chlorinated recreational water |
| 12/03/2008 | EP1996745A1 A method for dissolving oilfield scale |
| 12/03/2008 | EP1885656A4 A method for improving flux in a membrane bioreactor |
| 12/03/2008 | CN100438956C Method for avoiding clogging of filtration membranes |
| 12/02/2008 | US7459513 Free-radically polymerizing (meth)acrylic acid; amidating polymer with aminoalkanesulfonic acid to form a sulfonated polymer; water treatment, scale inhibition in petroleum production and corrosion inhibition in aqueous systems |
| 11/27/2008 | WO2008142810A1 Desalination apparatus and method of desalination |
| 11/26/2008 | CN101311123A Recirculated cooling water system cascade use method |
| 11/26/2008 | CN100436335C Methods for reducing boron concentration in high salinity liquid |
| 11/25/2008 | US7455769 Filter appliance and inner container for a filter appliance |
| 11/20/2008 | WO2008139647A1 Desalination apparatus and method of desalination |
| 11/20/2008 | WO2008138175A1 A method of high hardness and high salinity concentrated seawater as industrial circulating cooling water |
| 11/20/2008 | US20080287340 Water Softening Product |
| 11/19/2008 | CN101306883A Portable ceramic article for enhancing water quality and making method |
| 11/19/2008 | CN100434376C Low phosphate green composite corrosion and scale inhibitor for treating circular cooling water and its usage |
| 11/18/2008 | CA2302245C Performance-based control system |
| 11/13/2008 | WO2008135987A2 Method and apparatus for reducing metal concentration in water |
| 11/13/2008 | US20080277620 Adding a biodegradable depolymerized carboxyalkyl polysaccharide; inhibiting Barium sulfate and Calcium carbonate formation in a gas/oil well |
| 11/12/2008 | EP1990319A2 Water-softening method |
| 11/12/2008 | CN201148384Y Powdery lime automatic metering and preparing apparatus |
| 11/12/2008 | CN201148383Y Full-automatic total phosphorus on-line monitoring dosing system |
| 11/12/2008 | CN101302060A Corrosion and scale inhibitor for industrial recirculated cooling water |
| 11/12/2008 | CN100431985C Scale inhibitor for wet method phosphoric acid manufacture |
| 11/05/2008 | EP1986961A2 Method for controlling the thickening of aqueous systems |
| 11/05/2008 | EP1986960A2 Control of the thickening of silicate-containing aqueous systems |