| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/23/1999 | WO1999066084A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/23/1999 | WO1999065832A1 Filter cartridge assembly |
| 12/23/1999 | WO1999065828A1 Method for mineralization of organic pollutants in water by catalytic ozonization |
| 12/23/1999 | WO1999065827A1 Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide |
| 12/23/1999 | WO1999065826A1 A method for purifying water of pesticides |
| 12/23/1999 | WO1999065824A1 Method for separating trivalent lanthanide cations by selective complexing |
| 12/23/1999 | WO1999065592A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/23/1999 | WO1999065533A1 Catalytic dental water apparatus |
| 12/23/1999 | WO1999056867A3 Integrated fixation systems |
| 12/23/1999 | WO1999056286A3 Method for reducing the level of radioactivity of a metal part |
| 12/23/1999 | DE19826432A1 Medical dialysis appliance with dialyzer and feeder pipe |
| 12/23/1999 | CA2335175A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/23/1999 | CA2332050A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/23/1999 | CA2298496A1 Catalytic dental water apparatus |
| 12/22/1999 | EP0965561A1 Ozone-water feed apparatus |
| 12/22/1999 | EP0965379A1 Method of processing desulfurization absorption liquid and apparatus therefor |
| 12/22/1999 | EP0965374A1 Coagulation precipitator |
| 12/22/1999 | EP0964994A1 A method and a device for the magnetic activation of solid, liquid and gas media, especially coal dust and other hydrocarbon fuels |
| 12/22/1999 | EP0964942A1 Method for treating an electrolyte used for electrophoretic painting |
| 12/22/1999 | EP0964742A2 Device for the metered dispensing of substances |
| 12/22/1999 | EP0964736A1 Recovery and reuse of anionic surfactants from aqueous solutions |
| 12/22/1999 | EP0964735A1 High resistivity water production |
| 12/22/1999 | EP0895521B1 Modified, finely divided, water-insoluble aziridine polymers |
| 12/22/1999 | EP0841989B1 Calcium aluminate cement based catalyst |
| 12/22/1999 | CN2355297Y High effective strong magnetic descaling apparatus |
| 12/22/1999 | CN2355186Y Clean water valve for enabling to discharge wastewater |
| 12/22/1999 | CN2354950Y Multifunctional personal water purifier |
| 12/22/1999 | CN2354949Y Movable container with water purifier |
| 12/22/1999 | CN2354945Y Bactericidal and detoxicating gas or liquid generator |
| 12/22/1999 | CN2354944Y Apparatus for producing mineral water |
| 12/22/1999 | CN2354943Y Internal vortex vacuum mass degasifier for watersupply |
| 12/22/1999 | CN2354942Y Purifier for water with high hardness |
| 12/22/1999 | CN2354941Y Stable chlorine dioxide supplier for watersupply |
| 12/22/1999 | CN2354940Y Multifunctional automatic electric high pressure water supplier |
| 12/22/1999 | CN2354939Y Multi-pole electromagnetically treating apparatus |
| 12/22/1999 | CN2354938Y Multifunctional electrolyzing water generator |
| 12/22/1999 | CN2354937Y Water saving reverse osmotic drinking water apparatus |
| 12/22/1999 | CN2354936Y Ionic water generator |
| 12/22/1999 | CN2354935Y Reverse osmotic water purifying device for household water purifier |
| 12/22/1999 | CN2354934Y Structure of pressured water tank |
| 12/22/1999 | CN2354933Y Household ion-exchange water purifier |
| 12/22/1999 | CN2354932Y Multifunctional wastewater purifier |
| 12/22/1999 | CN2354931Y Photocatalytic water treating apparatus with continuously angular adjusting membrane fixed panels |
| 12/22/1999 | CN2354930Y Sewage treating and filtering apparatus |
| 12/22/1999 | CN2354929Y Oxygen eliminator by hydrogen catalyzing at atmosphere temperature |
| 12/22/1999 | CN2354928Y High performance solar drinking water apparatus |
| 12/22/1999 | CN2354927Y Solar low-pressure vaporizer |
| 12/22/1999 | CN2354926Y Drinking water apparatus |
| 12/22/1999 | CN2354925Y Sand filter for pumping water |
| 12/22/1999 | CN1239466A Method and appts. for generating oxygenated water |
| 12/22/1999 | CN1239465A Improved method and appts. for increasing oxygen content of water |
| 12/22/1999 | CN1239081A Process for removing contaminant metal ions from liquid streams |
| 12/22/1999 | CN1239080A Technique for coagulating carrier |
| 12/22/1999 | CN1239079A Process for treating non-alkali paper-making sewage |
| 12/22/1999 | CN1239007A Membrane treatment process and membrane treatment appts. |
| 12/22/1999 | CN1239006A Purifying equipment for running water |
| 12/22/1999 | CN1047577C Method for preparing ferrous system of polymerized water purifier |
| 12/21/1999 | US6004469 Peroxidation of streams and manganese catalysts |
| 12/21/1999 | US6004467 Process for the treatment of an aqueous suspension comprising kaolin |
| 12/21/1999 | US6004466 Purification of surfactants with ultrafiltration to recover and reuse |
| 12/21/1999 | US6004460 Portable water filtration bottle |
| 12/21/1999 | US6004458 Filter/sanitizer |
| 12/21/1999 | US6004451 Electrochemical decomposition of soil and water contaminants in situ |
| 12/21/1999 | US6004445 Electrochemical methods for recovery of ascorbic acid |
| 12/21/1999 | US6004438 Inner cavity with electroconductive liquid and biocide, applying electric field |
| 12/21/1999 | US6004255 Decanter centrifuge |
| 12/21/1999 | US6003569 Portable automated water purifier and method |
| 12/21/1999 | US6003527 Cleaning semiconductor substrate (semiconductor wafer), liquid crystal glass substrate, or magnetic disk |
| 12/21/1999 | US6003164 Pool monitor and controller |
| 12/21/1999 | CA2160730C Method of cleaning fouling materials from a radiation module |
| 12/21/1999 | CA2160729C Fluid treatment device and method |
| 12/19/1999 | CA2241168A1 Water purifying apparatus and process |
| 12/18/1999 | CA2241103A1 Process for removing contaminants |
| 12/16/1999 | WO1999064358A1 System and method for removing volatile compounds from a waste stream |
| 12/16/1999 | WO1999064357A1 Apparatus for photocatalytic reaction with and method for fixing photocatalyst |
| 12/16/1999 | WO1999063843A1 Pulsed electric field treatment system |
| 12/16/1999 | WO1999057062A3 Method and installation for eliminating phosphate from liquids, especially waste water, flowing water or the like |
| 12/16/1999 | WO1999046205A3 Water recycling system for laundry or dish washing |
| 12/16/1999 | DE19826019A1 Controlled accelerated oxidative breakdown of hydroxylamine in aqueous solutions, especially waste water |
| 12/16/1999 | DE19826018A1 Verfahren zum Abbau von Hydroxylamin in wässrigen Lösungen A process for breaking down hydroxylamine in aqueous solutions |
| 12/16/1999 | DE19825981A1 Verfahren und wassführendes Haushaltsgerät zur Wasserenthärtung Procedures and wassführendes household appliance for water softening |
| 12/16/1999 | DE19825559A1 Oxygenation and carbonation of potable water, table water and mineral water |
| 12/16/1999 | CA2334331A1 Pulsed electric field treatment system |
| 12/15/1999 | EP0963954A2 Method and an apparatus of membrane separation |
| 12/15/1999 | EP0963953A2 Method of decomposing hydroxylamine in aqueous solutions |
| 12/15/1999 | EP0963350A1 Treatment of a formaldehyde-containing waste stream |
| 12/15/1999 | EP0963349A1 Device for separating grease from drain water |
| 12/15/1999 | EP0963237A1 Method and apparatus for continuous flow isoelectric focusing for purifying biological substances |
| 12/15/1999 | EP0963225A1 Distillation process with reduced fouling |
| 12/15/1999 | EP0788465B1 Method and apparatus for the oxidation processing of effluents in the presence of a heterogeneous catalyst |
| 12/15/1999 | EP0785910B1 Apparatus and process for fluid treatment |
| 12/15/1999 | EP0765332B1 Process for removing waste pox alendronate and its by-products |
| 12/15/1999 | EP0749346B1 Faucet-mounted water treatment device |
| 12/15/1999 | CN2353967Y Water nozzle with coarse-filtering device and fine-filtering device |
| 12/15/1999 | CN2353746Y Filter for water tank of high storied building |
| 12/15/1999 | CN2353745Y Domestic drinking-water purifier |
| 12/15/1999 | CN2353743Y Waste-water treatment apparatus |
| 12/15/1999 | CN2353742Y Sterilizing device for water drinking machine |
| 12/15/1999 | CN2353741Y Edible-water purifying and disinfecting device |
| 12/15/1999 | CN2353740Y Device for mineralizing pure water |