| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/26/2000 | EP0995037A1 Compressor assembly |
| 04/26/2000 | EP0994961A2 Homoserine lactones biofilm regulating compounds and their methods of use |
| 04/26/2000 | EP0994950A2 Dna sequences, expression of said dna sequences, thermopile laccases coded by said dna sequences and the use thereof |
| 04/26/2000 | EP0994651A1 Synergistic antimicrobial compositions containing a dimethylamide of a carboxylic acid with a mixture of 2-(thiocyanomethylthio) benzothiazole and methylene-bis(thiocyanate) |
| 04/26/2000 | EP0971779A4 Process for removing selenium from selenium-containing waste streams |
| 04/26/2000 | EP0830193A4 Microwave assisted cleaning and reclamation of industrial wastes |
| 04/26/2000 | EP0628073B1 Ionic binding of microbial biomass |
| 04/26/2000 | CN2375913Y Electric quick-heating full-automatic magnetic cold and hot water producing device |
| 04/26/2000 | CN2375628Y Multi-functional high-frequency electronic scaler |
| 04/26/2000 | CN2375627Y Energy-saving efficient and high-frequency electronic device for treatment of water |
| 04/26/2000 | CN2375626Y Composite polar filling bed electrode electrolytic device for purifying and sterilizing drinking water |
| 04/26/2000 | CN2375625Y Continuous electric deionizing device |
| 04/26/2000 | CN2375624Y Ultraviolet water-purifying instrument |
| 04/26/2000 | CN2375623Y Respirator for pure water box |
| 04/26/2000 | CN2375206Y Multi-functional drinking cup |
| 04/26/2000 | CN1251538A Method and apparatus for continuous flow isoelectric focusing for purifying biological substances |
| 04/26/2000 | CN1251353A Method for treating sewage by chemical analog biological degradation process |
| 04/26/2000 | CN1251352A Water-purifying device and water-purifying method |
| 04/26/2000 | CN1251317A Water-making device and method thereof |
| 04/26/2000 | CN1051725C Fixed double-layer-bed ion exchange resin regenerating method and apparatus thereof |
| 04/25/2000 | US6054097 Treating a surface or fluid with pulsed ultraviolet light to inactivate microorganisms. |
| 04/25/2000 | US6054060 Liquid purfication system and method for decontaminating microbe infested liquid |
| 04/25/2000 | US6054059 Use of a ceramic metal oxide filter whose selection depends upon the Ph of the feed liquid and subsequent backwash using a liquid having a different Ph |
| 04/25/2000 | US6054058 Adding a chlorine oxidant, hydrogen peroxide, or a peroxide effective to generate hydrogen peroxide; contacting said water containing said oxidant with a cobalt peroxide catalyst supported on a zeolite carrier. |
| 04/25/2000 | US6054057 Downflow hydrothermal treatment |
| 04/25/2000 | US6054056 Pool buffering composition and method of use |
| 04/25/2000 | US6054054 Adhesion-inhibiting amount of vinyl cationic polymer; effectively inhibits the adhesion of the bacterial cells to exposed surfaces without killing the fouling organisms and also without harming non-target organisms. |
| 04/25/2000 | US6054050 Process for removing organic and inorganic contaminants from refinery wastewater streams employing ultrafiltration and reverse osmosis |
| 04/25/2000 | US6054048 Water purification apparatus |
| 04/25/2000 | CA2169884C A material and method for inhibiting bacterial growth in an aqueous medium |
| 04/25/2000 | CA2146609C Water filtration cartridge |
| 04/20/2000 | WO2000022888A1 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 04/20/2000 | WO2000022887A1 Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method |
| 04/20/2000 | WO2000022684A2 Composite solid polymer electrolyte membranes |
| 04/20/2000 | WO2000022240A1 Soil resisting device for structure in contact with seawater |
| 04/20/2000 | WO2000021890A1 Cyclic aeration system for submerged membrane modules |
| 04/20/2000 | WO2000021889A1 Method of preventing occurrence and growth of pathogenic microorganisms, especially legionella bacteria, in water mains |
| 04/20/2000 | WO2000021888A1 Method for determining the dosages of water treatment products |
| 04/20/2000 | WO2000021648A1 Membrane pre-treatment process |
| 04/20/2000 | WO2000021633A1 Combined hydrocyclone and filter system for treatment of liquids |
| 04/20/2000 | WO2000006584B1 Process for producing halogen-containing phosphate ester |
| 04/20/2000 | WO2000000149A3 Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid |
| 04/20/2000 | WO1999057066A8 Method for the intensive desalination of water containing non-dissolved silicon |
| 04/20/2000 | DE19850328A1 Water treatment with carbonaceous particles containing sulfur, iron and/or manganese, e.g. to remove lead from waste water |
| 04/20/2000 | DE19847275A1 Process to calculate the quantity of coolant additive to be added to a closed coolant system operates without the use of tracer substances |
| 04/20/2000 | DE19846804A1 In situ ground water decontamination process operates without pumps and the associated energy costs |
| 04/20/2000 | DE19846258A1 Production of chlorine dioxide useful for treatment and sterilization of water, e.g. drinking water or swimming pool water, involves electrolytic treatment of chlorine compound |
| 04/20/2000 | CA2346777A1 Membrane pre-treatment process |
| 04/20/2000 | CA2346677A1 Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method |
| 04/20/2000 | CA2345969A1 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 04/20/2000 | CA2342237A1 Composite solid polymer electrolyte membranes |
| 04/20/2000 | CA2313696A1 Combined hydrocyclone and filter system for treatment of liquids |
| 04/20/2000 | CA2286628A1 Reactor for treating liquids |
| 04/19/2000 | EP0994076A2 Method and system for purification of waste water |
| 04/19/2000 | EP0994074A2 Device and process for the anodic oxidation of aqueous solutions, electrode therefore and process for its manufacture |
| 04/19/2000 | EP0993859A1 Three-dimensional, photocatalytic filter apparatus |
| 04/19/2000 | EP0877721B1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof |
| 04/19/2000 | CN2374541Y Water treatment appts. with one-way valve |
| 04/19/2000 | CN2374540Y Purifying unit able to self cleaning in operation |
| 04/19/2000 | CN1251054A Container |
| 04/19/2000 | CN1250750A Water purification equipment |
| 04/19/2000 | CN1250749A Means for supply of cold water or hot water |
| 04/19/2000 | CN1250748A Regeneration of water treatment medium |
| 04/19/2000 | CN1250747A Microwave method for treating waste water |
| 04/18/2000 | US6051246 Placed in water to kill microbes in, for example, cooling water; may be placed in circulating air in air conditioning system to sterilize air; after a period of use, articles may be regenerated by flushing with clean water or vibrating |
| 04/18/2000 | US6051194 TI02-coated fiber optic cable reactor |
| 04/18/2000 | US6051188 Process and device for the disinfection of a medical apparatus |
| 04/18/2000 | US6051145 Method for handling an effluent in a hydrothermal process |
| 04/18/2000 | US6051141 Suspending anhydrous alumina in water containing colloidal sized particles of silicon compounds for a time enough to hydrate alumina and entrain silicon compounds, then separating water from the solid particles mixture |
| 04/18/2000 | US6051140 Directing prefiltered water through a polyiodinate resin to add iodine disinfectant throughout water, then flowing water through elongated residence tube dependent on volumetric flow rate, postfiltering to remove disinfectant from potable water |
| 04/18/2000 | US6051137 Sewage dewatering process and equipment |
| 04/18/2000 | US6051135 Apparatus for making aqueous chlorine dioxide and apparatus for treating water with aqueous chlorine dioxide |
| 04/18/2000 | US6051112 Separately controlling optimum voltage of first and second electrostatic fields in which aqueous feed and stripping solutions are broken into small droplets while flowing down through nonpolar carrier fluid having affinity for solute |
| 04/18/2000 | US6051111 Cold distillation method |
| 04/18/2000 | US6051035 Methods of cleaning fabrics with splittable aldehyde-based surfactants |
| 04/18/2000 | US6050781 Method for collecting a substance |
| 04/18/2000 | US6050178 Continuous liquid pasteurizing apparatus and a method thereof |
| 04/18/2000 | CA2203858C Improved method and circuit for controlling the electrical heater in a water distiller |
| 04/18/2000 | CA2162471C Chlorine dioxide generation for water treatment |
| 04/18/2000 | CA2053504C Recovery of surfactant from papermaking process |
| 04/18/2000 | CA2035274C A wastewater treatment mechanism |
| 04/18/2000 | CA2001976C Phosphonic acids and their uses in separation |
| 04/13/2000 | WO2000020343A1 System and method for ozonating water for animal houses |
| 04/13/2000 | WO2000020342A1 Treatment of effluents |
| 04/13/2000 | WO2000020341A1 Method for treating metal contaminated water |
| 04/13/2000 | WO2000020340A1 Water treatment apparatus by filtering and irradiation |
| 04/13/2000 | WO2000020339A1 Device and method for obtaining water for industrial use from untreated water |
| 04/13/2000 | WO2000020338A2 Methods for controlling macroinvertebrates in aqueous systems |
| 04/13/2000 | WO2000020138A1 Cleaning and passivating water distribution systems |
| 04/13/2000 | WO2000020093A1 Fluid filtration unit |
| 04/13/2000 | WO2000020045A1 Device for treatment of biological fluids |
| 04/13/2000 | WO2000001622A3 Method and installation for treating waste water from oil seed and cereal processing |
| 04/13/2000 | WO2000000430A3 Molecular sieve cit-6 |
| 04/13/2000 | DE19846583A1 Wasserfiltervorrichtung mit einer Auffangkanne und mit Heizelement Water filter device with a carafe and with heating element |
| 04/13/2000 | DE19846380A1 Air bleed filter for water supply has hydrophobic membrane requiring no pressure compensating vessel with a high pressure bleed valve |
| 04/13/2000 | DE19842396A1 Electrically-conductive diamond layer forming electrode for electrochemical generation of ozone and ultra-pure water |
| 04/13/2000 | CA2346792A1 Fluid filtration unit |
| 04/13/2000 | CA2346107A1 Method for treating metal contaminated water |
| 04/12/2000 | EP0992730A1 Sealing arrangement for pipes |
| 04/12/2000 | EP0992459A2 Rotatable valve unit for water treatment device |