| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/02/2000 | WO2000030982A1 Method of treating liquid, liquid treatment apparatus, and liquid treatment system |
| 06/02/2000 | WO2000030981A1 Water purification method and device |
| 06/02/2000 | WO2000030980A1 Method for controlling the dosed quantities of water-treatment products |
| 06/02/2000 | WO2000030979A1 Integrated hydrologic circuit |
| 06/02/2000 | WO2000030750A2 Method for operating a water softening ion exchanger system with regenerative unit by measuring in situ the water hardness by means of an ion-selective sensory mechanism and arrangement for carrying out such a method |
| 06/02/2000 | WO2000030749A1 Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 06/02/2000 | WO2000030742A1 Water filtration using immersed membranes |
| 06/02/2000 | WO2000030443A1 Biocide material and method of preparation of said material |
| 06/02/2000 | WO2000014018A3 Sterilizing device for a medium, preferably water |
| 06/02/2000 | WO2000012194A8 Composite filter medium and fluid filters containing same |
| 06/02/2000 | CA2351481A1 Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 06/02/2000 | CA2351439A1 Biocide material and method of preparation of said material |
| 06/02/2000 | CA2316160A1 Liquid treating process and apparatus, as well as liquid treating system |
| 05/31/2000 | EP1004548A2 Polymer aggregating agent |
| 05/31/2000 | EP1004547A1 Integrated hydrologic circuit |
| 05/31/2000 | EP1004398A2 Mobile water clarifying apparatus |
| 05/31/2000 | EP1004348A2 Process for the separation of organic acids from aqueous solutions |
| 05/31/2000 | EP1004339A1 Vortex sewage disposal apparatus |
| 05/31/2000 | EP1004246A1 Method and apparatus for treatment of a food product with ozonated water |
| 05/31/2000 | EP1003692A1 Housing and method that provide extended resident time for dissolving generated oxygen into water |
| 05/31/2000 | EP1003562A2 Sterilization apparatus utilizing catholyte and anolyte solutions |
| 05/31/2000 | EP1003376A1 Antimicrobial composition containing a haloperoxidase, a hydrogen peroxide source, a halide source and an ammonium source |
| 05/31/2000 | EP0958249A4 A process and apparatus for treating waste water |
| 05/31/2000 | DE19855104A1 Synaretic gels and hardened end products, used e.g. for compacting or binding loose or fine material, purifying sewage and water, encapsulation, filter, packaging or scale model contain chitosan, acid and di- or poly-aldehyde |
| 05/31/2000 | DE19854432A1 Verfahren zur Kontrolle der Dosiermengen von Wasserbehandlungsprodukten Procedures for controlling the dosage amounts of water treatment products |
| 05/31/2000 | DE19852956C1 Vorrichtung zur Behandlung von Wasser gegen Kalkablagerungen Apparatus for treating water against limescale |
| 05/31/2000 | DE19524868C2 Verfahren zur Herstellung von kammartig verzweigten wasserlöslichen kationischen Acrylamid-Copolymeren mit hohem Molekulargewicht A process for preparing comb-branched water-soluble cationic acrylamide copolymers having high molecular weight |
| 05/31/2000 | DE10000345A1 Water treatment process, especially for improving biological and therapeutic quality of drinking and bathing water, comprises magnetic purification and information transmission through the water |
| 05/31/2000 | CN2380892Y Scale-proof, descaling apparatus for boilers |
| 05/31/2000 | CN2380618Y Tower-less water-purifying-supplying device |
| 05/31/2000 | CN2380562Y Electronic magnetizing machine for drinking water |
| 05/31/2000 | CN2380561Y High-frequency current generator of descaling and scale-preventing for heating equipment |
| 05/31/2000 | CN2380560Y Water treatment apparatus |
| 05/31/2000 | CN2380559Y Novel evaporator condenser |
| 05/31/2000 | CN2380558Y Sea-water desalting furnace |
| 05/31/2000 | CN2380557Y Boiler for treating waste liquid from paper-making |
| 05/31/2000 | CN2380556Y Rotary decanter |
| 05/31/2000 | CN2380139Y Infrared double-body light-pervious health-care cup |
| 05/31/2000 | CN2380138Y Infrared light-pervious health-care cup |
| 05/31/2000 | CN1255108A Method for treating waste water, especially from and malt houses and breweries |
| 05/31/2000 | CN1255107A Housing and method that provide extended resident time for dissolving generated oxygen into water |
| 05/31/2000 | CN1254746A Process for treating scum of scum pool in oil refinery |
| 05/31/2000 | CN1254686A Vortex equipment for treating sewage |
| 05/31/2000 | CN1254685A Process and equipment for treating suspended substance in steel-rolling sewage |
| 05/31/2000 | CN1254612A Full-automatic purifying water pool |
| 05/30/2000 | US6069209 Chelating resins for use in selectively binding heavy metals |
| 05/30/2000 | US6069142 Synergistic antimicrobial combination of 4,5-dichloro-2-N-octyl-4-isothiazolin-3-one and a mixture of a chlorinated isocyanurate and a bromide compound and methods of using same |
| 05/30/2000 | US6068861 Producing a liquid biocide by mixing bromine chloride and an aqueous solution of an alkali metal salt of sulfamic acid; in amounts to satisfy a given nitrogen:active bromine atomic ratio and active bromine content |
| 05/30/2000 | US6068791 Sanitizing and clarifying product |
| 05/30/2000 | US6068778 Water purification system |
| 05/30/2000 | US6068777 Method of treatment for rendering halogenated organic compounds harmless |
| 05/30/2000 | US6068768 Apparatus for magnetically treating flowing liquids |
| 05/30/2000 | US6068764 Reverse osmosis pump and shut off valve |
| 05/30/2000 | US6068761 Liquid purification system |
| 05/30/2000 | US6068756 Supplying hydrogen to hydrogen diffusion anode |
| 05/30/2000 | US6068012 Performance-based control system |
| 05/30/2000 | CA2073568C Purification of solutions |
| 05/30/2000 | CA2014721C Concentrated aqueous solution of glutaraldehyde and 1,2-benzisothiazolin-3-one |
| 05/25/2000 | WO2000029605A1 Process for the production of hydrogen sulphide from elemental sulphur and use thereof in heavy metal recovery |
| 05/25/2000 | WO2000029506A1 Oil absorption device and its production |
| 05/25/2000 | WO2000029338A1 Tanks for treating water used for washing motor vehicles and equipment |
| 05/25/2000 | WO2000029335A1 Water treatment method by ballasted floc including a recycling of granular material |
| 05/25/2000 | WO2000029334A1 Method and plant for treatment of water contaminated with oil and sludge |
| 05/25/2000 | WO2000029333A1 A device for desalinizing sea water |
| 05/25/2000 | WO2000029327A1 Method for production of magnesium chloride from sea water |
| 05/25/2000 | WO2000028823A1 Biocide composition and sterilization method using the same |
| 05/25/2000 | WO2000028807A1 Pervaporation device and irrigation mat |
| 05/25/2000 | WO2000018810A3 Activated carbon filter |
| 05/25/2000 | WO2000003781A8 Apparatus for treating flowstreams by electromagnetic flux |
| 05/25/2000 | DE19954943A1 Killing Legionnaire's disease bacteria involves heating of flowing drinking water and thermally disinfecting it through stay in tank for a specified period at a specified temperature |
| 05/25/2000 | DE19855646A1 Fibrous structure, e.g. paper, containing active agents for liquid treatment, useful e.g. in food processing or in softening or purifying water |
| 05/25/2000 | DE19853529A1 Rain water filter insert held within mantle amorphous iron oxide and keeping discharge impurities to within legal limits |
| 05/25/2000 | DE19853193A1 Apparatus for keeping water pure by preventing development of putrefaction bacteria is based on release of bactericidal metal ions from one of two connected metals of positive electrochemical series |
| 05/25/2000 | DE19853182A1 Removal of ammonium and/or ammonia from saline aqueous solution, e.g. sewage or other waste liquor, involves electrolysis at constant pH in a divided cell in the presence of chloride |
| 05/25/2000 | DE19803552C2 Mittel zur Erzeugung von Gasdruck Means for generating gas pressure |
| 05/25/2000 | CA2289886A1 Filtration system with disposable filter and indicator |
| 05/24/2000 | EP1002767A2 Method for treating organic wastes |
| 05/24/2000 | EP1002766A2 Process for the decomposition of organic compounds by electrochemical oxidation |
| 05/24/2000 | EP1002765A2 Device and process for treating water to prevent scaling |
| 05/24/2000 | EP1001911A1 Method of treating solvent-containing process liquids |
| 05/24/2000 | EP0781353A4 System for electrolyzing fluids for in vivo administration to humans and other warm blooded mammals |
| 05/24/2000 | EP0746413B1 Rectangular flotation plant |
| 05/24/2000 | EP0571523B1 Desinfectant for the treatment of water systems |
| 05/24/2000 | CN2379663Y Multi-functional water tap |
| 05/24/2000 | CN2379464Y Multi-functional health-care water purifying apparatus |
| 05/24/2000 | CN2379463Y Protective apparatus for electric heating distilled water equipment |
| 05/24/2000 | CN2379193Y Temp. controlled water purifying equipment |
| 05/24/2000 | CN2379072Y Hyperfilevation type health-care drinking water machine |
| 05/24/2000 | CN1254325A Water purification apparatus having many functions |
| 05/24/2000 | CN1253915A Self-cleaning fresh-keeping composite decomposition type disinfection water-cleaning equipment |
| 05/24/2000 | CN1253914A Method for preventing heating water of boiler from illegal using |
| 05/24/2000 | CN1253913A Production process of defluorination water-purifying agent-pentahydroxyl aluminium chloride |
| 05/24/2000 | CN1253912A Production process of pharmaceutic water and its equipment |
| 05/24/2000 | CN1253911A Regeneration method of effluent brine and its device |
| 05/24/2000 | CA2289819A1 Procedure and facility for treating an item with ozonized water |
| 05/23/2000 | US6066589 Hydrogenation catalysts |
| 05/23/2000 | US6066262 Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a lithium carbon or acid zirconium phosphate to reduce the concentration of the alkalies |
| 05/23/2000 | US6066257 Water treatment |
| 05/23/2000 | US6066256 Biological solubilization process for converting contaminated sludge into enriched biosolids |
| 05/23/2000 | US6066252 Alarm mechanism for chlorinator in aerobic waste treatment system |