Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
11/2007
11/14/2007CN101070200A Fractional deionization process
11/14/2007CN100348516C Composite phosphorus-free water-treating corrosion inhibitor and preparing process thereof
11/14/2007CN100348509C Water saving type multifunctional technique for treating circulating water and device
11/13/2007US7294258 Device for chemically/physically treating drinking water
11/13/2007CA2174401C Dispensing system and method for dispensing a concentrated product and container for use therewith
11/08/2007WO2007127027A2 Formulations with unexpected cleaning performance incorporating a biodegradable chelant
11/08/2007US20070256982 Compositions and Methods for Wastewater Treatment
11/08/2007CA2649239A1 Formulations with unexpected cleaning performance incorporating a biodegradable chelant
11/07/2007CN101066815A Deep treatment process of metallurgical sewage
11/07/2007CN101066811A No-phosphate corrosion and scale inhibitor and its application
11/07/2007CN100347795C Magnetic fluid processing apparatus
11/01/2007US20070251884 Method for Removing at Least One Constituent From a Solution
10/2007
10/31/2007EP1848667A1 Method and device for softening water, granulate, and method for the production of a granulate
10/31/2007EP1080044B1 Inorganic composition, process of preparation and method of use
10/31/2007EP1067214B1 Chemical for water treatment and method of water treatment
10/31/2007CN101062816A Non-phosphate environment-friendly type inhibition anti-sludging agent and preparation method thereof
10/25/2007WO2006107665A3 Compositions and methods for use in unclogging drains and pipes
10/25/2007DE102007010129A1 Wasserfilter-Kartuschensystem mit kombinierter Verschneideventiltechnik in der Kerze und Einstellvorrichtung im Kopf Water filter cartridge system with combined Verschneideventiltechnik candle and adjustment in the head
10/24/2007EP1846334A1 Scale removal apparatus and method
10/24/2007CN101058466A Automatic control method for treating cooling circulation water system by ozone
10/24/2007CN101058465A Automatic control system for treating cooling circulation water system by ozone
10/23/2007US7285220 Producing soft water at various temperatures and facilitating the regeneration of an ion exchange resin
10/23/2007US7285171 Anti-filming materials, compositions and methods
10/23/2007CA2374603C Methods of preventing scaling involving inorganic compositions, and compositions therefor
10/18/2007WO2007116946A1 Polyalkylene glycol copolymer, polyalkylene glycol monomer, and production method thereof
10/17/2007CN200961115Y Slow-released doser
10/17/2007CN101054227A Pulse type ozone descaling method and device used for buildings water supply system
10/11/2007WO2007114198A1 Method for treating ballast water by membrane using membrane module, and membrane treatment apparatus
10/11/2007WO2007090757A3 Control of the thickening of silicate-containing aqueous systems
10/10/2007CN101052592A Improvement for water softening products or improvement relative to the water softening products
10/10/2007CN101052591A Improvement in water softening products or improvement relative to the water softening products
10/10/2007CN101052590A 水软化方法 Method of softening water
10/10/2007CN101050032A A cleanser
10/10/2007CN100341799C Scale removal method adapted for circulating and cooling water system
10/04/2007WO2007111378A1 Graft polymer with hydrocarbon group and method for producing the same
10/04/2007WO2007110092A1 Reactor and method for decalcifying water and simultaneous removal of pollutants
10/04/2007WO2006135445A3 Antimicrobial chelates
10/04/2007US20070227980 Water treatment process and apparatus
10/04/2007US20070227978 Method of supply amount management of water treating agent
10/04/2007US20070227598 Container for a Water Treatment Device and Manufacturing Method of Said Container
10/03/2007CN200955032Y Fully-automatic water treatment apparatus
10/03/2007CN101048344A Process for the preparation of highly purified, dialkyl phosphinic acids
10/03/2007CN101045587A Water treatment agent and preparation method for simultaneously removal of suspend solid, nitrate and phosphate
10/03/2007CN101045586A Method of supply amount management of water treating agent
10/03/2007CN100340329C Self air feeding type gas liquid mixing blade
09/2007
09/28/2007CA2582888A1 Method of supply amount management of water treating agent
09/27/2007WO2007109798A1 A method for dissolving oilfield scale
09/26/2007CN200951964Y Moving large, power generator intercooling water quality controlling and testing device
09/26/2007CN101044097A Compositions for cleaning with softened water
09/26/2007CN101041522A Treating method and treating apparatus of waste water containing organic material
09/26/2007CN101041517A Preparation method for carboxymethyl eastern larch tannin biology degradation type antisludging agent
09/26/2007CN101041516A Preparation method for highly effective maleic anhydride series polymer antisludging agent
09/25/2007US7273558 Ion exchanging without change in hardness (via calcium, strontium and barium), includes flow magnesium chloride brine
09/20/2007WO2007106262A2 Water control valve
09/19/2007CN101037273A Industrial water treating agent and preparation method
09/12/2007CN101033102A Method of producing circulating water system without scale source
09/06/2007US20070205145 Water control valve
09/06/2007DE202007005874U1 Physikalisches Gerät für den Abbau und Verhinderung von Ablagerungen und Inkrustationen in den Wasserleitungen Physical device for the reduction and prevention of deposits and incrustations in water lines
09/05/2007CN101028957A Corrosion and scale inhibitor for high-chlorine and high-calcium water-quality
09/05/2007CN100335427C Oxygen scavenger and boiler water treatment chemical
09/04/2007US7264737 Control of water treatment system with low level boron detection
08/2007
08/30/2007WO2007075603A3 Improved biodegradability of antiscalant formulations
08/30/2007US20070199868 Wastewater Purification Method
08/30/2007CA2642811A1 Product for treating a toilet flush cistern and bowl
08/29/2007CN101024543A High-efficiency soft-scale washing agent
08/29/2007CN101024530A Water softening apparatus and using method
08/28/2007CA2144372C Composition for water treatment
08/22/2007EP1819845A1 Cleaning method for removing deposits containing magnetite out of a pressure vessel of a power plant
08/22/2007CN1332894C Treatment for softening seawater by single-decalcification
08/16/2007WO2007091032A1 Scale mitigation method
08/16/2007WO2007090766A2 Method for controlling the thickening of aqueous systems
08/16/2007WO2007090757A2 Control of the thickening of silicate-containing aqueous systems
08/16/2007CA2640033A1 Method for controlling the thickening of aqueous systems
08/16/2007CA2639923A1 Control of the thickening of silicate-containing aqueous systems
08/15/2007EP1817261A1 Method and device for treating a fluid by electrolysis
08/08/2007EP1622838B1 Polymer for water treatment
08/08/2007CN2931469Y Ionic plate water processor in pool
08/08/2007CN101012090A Barium-strontium antisludging agent
08/07/2007US7252770 Multifunctional calcium carbonate and calcium phosphate scale inhibitor
08/07/2007US7252769 Use of cerium salts to inhibit manganese deposition in water systems
08/02/2007WO2007038403A3 Iron sulfide cleaning formulation and methods of use thereof
08/02/2007CA2637314A1 Method of removing scale and acidic composition used thereof
08/01/2007EP1368509A4 Composition and method for inhibition of metal corrosion
08/01/2007CN1329317C High molecular water softener, synthetic method and application
07/2007
07/25/2007CN1328189C Method for descaling steel-making turbid circulation water
07/25/2007CN1328180C Fractional deionization process
07/25/2007CN1328174C Method for determining the dissolution rate of a solid water treatment product
07/25/2007CN101006019A Water catalytic decarbonation appliance
07/25/2007CN101003410A Agent of anti dirt of allylloxy polyether, and preparation method
07/19/2007WO2007080811A1 Antiscaling agent and antiscaling method
07/19/2007WO2007080417A1 Scale inhibiting well treatment
07/18/2007EP1808428A1 EDTA derivatives (EDD), their synthesis and application
07/18/2007EP1807365A1 Compositions for cleaning with softened water
07/18/2007EP1807364A1 Improvements in or relating to a water softening product
07/18/2007EP1807363A1 Improvements in or relating to a water softening product
07/18/2007EP1807362A1 Water-softening method
07/18/2007CN100999356A Water advanced purification equipment system and its technology
07/18/2007CN100999343A Oxygen scavenger and boiler water treatment chemical
07/18/2007CN100999342A Oxygen scavenger and boiler water treatment chemical
07/17/2007US7244360 Water treatment process
1 ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 ... 87