| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 08/04/1998 | US5788857 Hydroxyimino alkylene phosphonic acids for corrosion and scale inhibition in aqueous systems |
| 08/04/1998 | US5788852 Process for preventing accumulation of contaminants in dental suction systems |
| 08/04/1998 | US5788843 Method and installation for treating water |
| 08/04/1998 | US5788841 Consumption of sewage with microorganisms; monitoring oxygen demand; reducing hydrogen sulfide and methane gas content |
| 08/04/1998 | US5788840 Dispensing spigot with controllable lever |
| 08/04/1998 | US5788838 Ultrapure water production system having pretreatment system for performing both anaerobic and aerobic organism treatments |
| 08/04/1998 | US5788835 Water purifier having degassor and membrane distillation elements |
| 08/04/1998 | US5788831 Method for sterilizing apparatus for preparation of recording material |
| 08/04/1998 | US5788826 Electrochemically assisted ion exchange |
| 08/04/1998 | US5788821 Copper-based oxidation catalyst and its application |
| 08/04/1998 | US5788820 Device for electrolyzing water |
| 08/04/1998 | US5788099 Vessel for containing batch quantities of dialysate or other physiologic solution chemicals |
| 08/04/1998 | US5787537 Method of washing laundry and recycling wash water |
| 08/04/1998 | CA2103653C Shaped organosiloxane polycondensates, processes for their preparation and use |
| 07/30/1998 | WO1998032705A1 A water filter jug |
| 07/30/1998 | WO1998032704A1 Method and device for airing waste water from power plants |
| 07/30/1998 | WO1998032702A1 Method for the physico-chemical treatment of effluents in particular surface water for consumption |
| 07/30/1998 | WO1998032701A1 Method for the physico-chemical treatment of effluents, in particular of surface water for consumption |
| 07/30/1998 | WO1998032700A1 Hand-held ultraviolet water purification system |
| 07/30/1998 | WO1998032699A1 Method of electrosorption from natural water and domestic wastewater |
| 07/30/1998 | WO1998032698A1 Portable water treatment device, water treatment cartridge, combined structure of cartridge and drinking bottle, and water treatment method using cartridge |
| 07/30/1998 | WO1998032538A2 Apparatus and method for induced air flotation |
| 07/30/1998 | WO1998032525A1 Electrochemically assisted ion exchange |
| 07/30/1998 | WO1998032522A1 Method for recuperating vent gas coming from an ozonization reactor |
| 07/30/1998 | WO1998032470A1 Method and apparatus for sterilizing/cleaning using electrolysis |
| 07/30/1998 | DE19754173A1 Purifying contaminated water by adsorption or absorption |
| 07/30/1998 | DE19753326A1 Waste water treatment plant comprising activated sludge tank |
| 07/30/1998 | DE19702884A1 Treating industrial effluents exhibiting marked foaming tendency |
| 07/30/1998 | DE19702181A1 Funnel nozzle with flow-baffling trip wires to break up laminar surface boundary layer |
| 07/30/1998 | DE19648322A1 Universal marine solar-powered desalination plant based on solar collection deck |
| 07/29/1998 | EP0855407A1 Aqueous dispersions based on water soluble polymers |
| 07/29/1998 | EP0855214A1 Hollow yarn membrane integrating module |
| 07/29/1998 | EP0854844A1 Biological method of treating sewage containing high concentrations of sludge |
| 07/29/1998 | EP0854842A1 Methods and compositions for controlling biofouling using polyglycol fatty acid esters |
| 07/29/1998 | EP0854840A1 Salt extraction process and device |
| 07/29/1998 | EP0828552A4 Process for recovery of metal ions |
| 07/29/1998 | EP0790850A4 Method of processing a cheese processing waste stream |
| 07/29/1998 | EP0754167B1 Process and installation for the targeted formation of germs or crystals |
| 07/29/1998 | EP0704187B1 Use of a utensil for table use or cooking use |
| 07/29/1998 | CN2286750Y Multi-stage electronic water treatment machine |
| 07/29/1998 | CN2286749Y Machine for making purified water |
| 07/29/1998 | CN1189144A Process for removing unwanted material from wanted material |
| 07/29/1998 | CN1188818A Process for removing very fine oxide particles that arise during regeneration of used pickling acids |
| 07/29/1998 | CN1188745A Polyoxy activation aeration oxygen replenishing device |
| 07/29/1998 | CN1188744A Water purification system having chlorine generating function in addition to bacteriostatic function |
| 07/29/1998 | CN1188743A Comprehensive effluent disposal technology for wet spinning acrylic fibers industry |
| 07/28/1998 | US5785868 Method for selective separation of products at hydrothermal conditions |
| 07/28/1998 | US5785867 Synergistic composition for treating industrial process water |
| 07/28/1998 | US5785866 Process and apparatus for the treatment, in particular purification of water containing halogenated ethylenes |
| 07/28/1998 | US5785864 Apparatus for the purification of water and method therefor |
| 07/28/1998 | US5785863 Removing metals from aqueous waste streams |
| 07/28/1998 | US5785862 Preparation and uses of polyferric sulphate |
| 07/28/1998 | US5785861 Passing through absorber to removal impurities |
| 07/28/1998 | US5785859 Condensation of steam phase with recovery of heat of condensation |
| 07/28/1998 | US5785853 Method for accelerating revival of environment |
| 07/28/1998 | US5785848 Rectangular body water purification device |
| 07/28/1998 | US5785847 Magnetic concentrator chemical release agent; microwave radiation; seperators |
| 07/28/1998 | US5785845 Baffl for increased ultraviolet exposure; hdyrogen peroxide, ozonator, indicator |
| 07/28/1998 | US5785844 End of life mechanism for water treatment cartridge |
| 07/28/1998 | US5785738 Carbon dioxide |
| 07/28/1998 | CA2079820C Mixed filter bed composition and method of use |
| 07/24/1998 | CA2224952A1 Aqueous dispersions based on water-soluble polymers. |
| 07/23/1998 | WO1998031779A1 Separation of heavy metals and materials for use in this |
| 07/23/1998 | WO1998031749A1 Aqueous dispersion of high intrinsic viscosity polymer and its production and use |
| 07/23/1998 | WO1998031748A1 Aqueous dispersion of cationic polymer and its production and use |
| 07/23/1998 | WO1998031638A1 Method for enhancing biocidal activity |
| 07/23/1998 | WO1998031637A1 Production of ultrapure water by non-chemical treatment |
| 07/23/1998 | WO1998031636A1 System and method for the electronic treatment of cooling tower water |
| 07/23/1998 | WO1998031635A1 Electrocatalytic method for the deoxygenating of sea water and device for its implementation |
| 07/23/1998 | WO1998031634A1 Method and apparatus for purifying a liquid by means of flotation |
| 07/23/1998 | WO1998031633A2 USE OF A CaCO3-CONTAINING COMPOSITION AS ADDITIVE TO SEAWATER IN WHICH MARINE ANIMALS ARE REARED OR KEPT |
| 07/23/1998 | WO1998031445A1 Distillation process with reduced fouling |
| 07/23/1998 | WO1998031400A1 Contaminant destruction by oxidation processing via enhanced ozonation |
| 07/23/1998 | WO1998022193A3 Process and apparatus for improving the efficiency of an evaporation process |
| 07/23/1998 | DE19701847A1 Shower arrangement with disinfecting installation to house supply |
| 07/23/1998 | CA2277156A1 Separation of heavy metals and materials for use in this |
| 07/23/1998 | CA2277098A1 Aqueous dispersion of cationic polymer and its production and use |
| 07/23/1998 | CA2276698A1 Polymeric compositions and their production and uses |
| 07/22/1998 | EP0854295A1 Sterilisation apparatus using ozone for raising water-zone |
| 07/22/1998 | EP0854165A1 Method of and apparatus for decomposing waste |
| 07/22/1998 | EP0853986A1 Separation of heavy metals and materials for use in this |
| 07/22/1998 | EP0853747A2 Combined water purifier/dispenser and walk-in cooler |
| 07/22/1998 | EP0643676B1 Biological and chemical single step purification of discharged water |
| 07/22/1998 | EP0495860B1 Method and device for the magnetic treatment of a fluid |
| 07/22/1998 | CN2286478Y Back washing and separated drum type high effect domestic water purifying apparatus |
| 07/22/1998 | CN2286477Y Directed through type assistant device of electronic scale-proof and scale removing instrument |
| 07/22/1998 | CN2286426Y Separation tank for waste water treatment |
| 07/22/1998 | CN1188546A Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
| 07/22/1998 | CN1188463A Process and device for treatment of water from biodegradeable process |
| 07/22/1998 | CN1188460A Apparatus and process for non-chemical plasma ion disinfection of water |
| 07/22/1998 | CN1188444A Composite particulate material and process for preparing same |
| 07/22/1998 | CN1188326A Cleaning apparatus and cleaning method |
| 07/22/1998 | CN1188082A Oxygen-gathering activated aerator |
| 07/22/1998 | CN1188078A Method for treating alcohol waste liquid |
| 07/21/1998 | US5783790 Wet treatment method |
| 07/21/1998 | US5783700 Quinolic acid derivatives |
| 07/21/1998 | US5783374 Process for processing photographic baths from color processes |
| 07/21/1998 | US5783237 Recycling salt solution in food processing and apparatus therefor |
| 07/21/1998 | US5783095 Liquid film entrains contaminants and carries them to a collecting device |
| 07/21/1998 | US5783092 Water treatment method |