| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/03/1998 | US5714066 Water purifier having separate sink-mounted discharge faucets for dispensing purified water and discharging waste water |
| 02/03/1998 | US5714060 Disinfection of arterial and venous line connectors hemodialysis machine |
| 02/03/1998 | US5714058 Apparatus for accelerating revival of environment |
| 01/30/1998 | CA2207168A1 A material, method and apparatus for inhibiting microbial growth in an aqueous medium |
| 01/29/1998 | WO1998003734A1 Process and installation for the recovery of hydrocarbon and other polluting layers |
| 01/29/1998 | WO1998003715A1 Apparatus and method for washing laundry |
| 01/29/1998 | WO1998003437A1 Method and apparatus for biological treatment of waste organic liquid |
| 01/29/1998 | WO1998003432A1 Water purifying method and device utilizing fluid physical property changes at active carbon interface by a dynamo-electric phenomenon |
| 01/29/1998 | WO1998003252A1 Water treatment apparatus comprising membranes |
| 01/29/1998 | WO1998003245A1 Membrane filter with electrical and/or acoustic enhancement |
| 01/29/1998 | WO1998003051A2 Polymer dispersants and methods of use in a nuclear steam generator |
| 01/29/1998 | DE19630043A1 Alloy catalyst for oxidising impurities in acidic waste water |
| 01/29/1998 | DE19628575A1 Making drinks with a stable Fe<2+> cation content |
| 01/29/1998 | DE19628454A1 New rhamno-lipid-alginate polymer complexes |
| 01/29/1998 | CA2247386A1 Membrane filter with electrical and/or acoustic enhancement |
| 01/28/1998 | EP0820792A2 Process for removing incrustations in evaporating devices |
| 01/28/1998 | EP0820537A1 Electrochemical system and method for the removal of charged species from contaminated liquid and solid wastes |
| 01/28/1998 | EP0820344A1 Method for operating and controlling a bank of filtration membrane modules, and bank of modules therefor |
| 01/28/1998 | EP0820293A1 Bioactive concentrate, its producing method and certain drug compositions containing also chondroitin sulphate |
| 01/28/1998 | EP0770039A4 Decontamination system with improved components |
| 01/28/1998 | EP0623099B1 Biological method for purifying waste water contaminated with organic carbon and nitrogen compounds |
| 01/28/1998 | CN2273309Y Filtering water purifying machine |
| 01/28/1998 | CN2273307Y 滤水器 Water Filters |
| 01/28/1998 | CN1171767A Waste water treatment and plant |
| 01/28/1998 | CN1171471A Water dispenser |
| 01/28/1998 | CN1171470A Kischarge device of purified water storage for water dispenser |
| 01/28/1998 | CN1171372A Apparatus and method for controlling molecular cluster in fluid |
| 01/28/1998 | CN1171371A Process for comprehensive utilization of waste water and dregs of concrete mixing station |
| 01/28/1998 | CN1171370A Process for using petro-chemical mud to prepare adsorbent used to recover oil on water surface |
| 01/28/1998 | CN1171272A Sterilizer for cold/hot water purifier and controlling method thereof |
| 01/28/1998 | CN1037155C High-effective water purifier |
| 01/27/1998 | US5711950 Process for preparing microclustered water |
| 01/27/1998 | US5711887 Treatment of river, lake, and well water with ozone to produce potable water |
| 01/27/1998 | US5711874 Ceramic grains |
| 01/22/1998 | WO1998002505A1 Minimizing evaporator scaling and recovery of salts during gasification |
| 01/22/1998 | WO1998002492A1 Derivatized rhodamine dye and its copolymers |
| 01/22/1998 | WO1998002482A1 Methof of manufacturing finely divided, water-insoluble polymers of aziridines, as well as modified, water-insoluble polymers of aziridines, and their use |
| 01/22/1998 | WO1998002224A1 Method for the colorimetric quantification of ions |
| 01/22/1998 | DE19730937A1 Water treatment system for rain and surface water |
| 01/22/1998 | DE19636466A1 Water treatment plant for road vehicle wash installation |
| 01/22/1998 | CA2256747A1 Method for the colorimetric quantification of ions |
| 01/21/1998 | EP0819651A1 Cationic polymer composition for sludge dewatering |
| 01/21/1998 | EP0819650A1 Method of inhibiting the growth microorganisms in an aqueous medium |
| 01/21/1998 | EP0819649A1 Photocatalytic method for treatment of contaminated water |
| 01/21/1998 | EP0819648A2 Process and apparatus to concentrate liquids, containing water and components from the salts group and particles in suspension |
| 01/21/1998 | EP0819468A1 Catalyst for the oxidation of waste water impurities with peracids |
| 01/21/1998 | EP0819457A1 Process and apparatus for the filtration of sewage |
| 01/21/1998 | EP0819448A1 Process for the reduction of chlorofluorocarbons and production of derivatives thereof in an electrolytic cell, cell for carrying out said reduction and process for removing the by-products formed within the cell |
| 01/21/1998 | EP0819138A1 High standard viscosity quaternary mannich microemulsions |
| 01/21/1998 | EP0819131A1 Purification process |
| 01/21/1998 | EP0819101A1 Arrangement and process for oxidizing an aqueous medium |
| 01/21/1998 | EP0819100A1 Water filtration cartridge |
| 01/21/1998 | EP0819099A1 A process for high concentrated waste water treatment using membrane separation |
| 01/21/1998 | EP0711253B1 Use of an agent for reducing the germination index and stabilising drinking water and water for domestic uses |
| 01/21/1998 | CN2272885Y Pure water identifier |
| 01/21/1998 | CN2272884Y Multiway valve for full-automatic slide convection regeneration water softener |
| 01/21/1998 | CN1171145A Compressor installation |
| 01/21/1998 | CN1170799A Cover apparatus for purified water storage tank of water dispenser |
| 01/21/1998 | CN1170700A Applying method of high polymer containing carboxy and amide groups in treatment of buck |
| 01/21/1998 | CN1170622A Pressure pump control apparatus of water purifier |
| 01/21/1998 | CN1170621A Supplementary filter apparatus for water purifier |
| 01/20/1998 | US5711015 Chemical decontamination using natural or artificial bone |
| 01/20/1998 | US5710536 Adaptive coil wrap apparatus |
| 01/20/1998 | US5709880 Method of making tabletized ionene polymers |
| 01/20/1998 | US5709841 Waste stream treatment |
| 01/20/1998 | US5709800 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds with nitrite |
| 01/20/1998 | US5709799 Super ozonating water purifier |
| 01/20/1998 | US5709794 Low-cost portable water filter |
| 01/20/1998 | US5709793 Apparatus and method for in-situ application of chemical in a swimming pool or spa |
| 01/20/1998 | US5709505 Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants |
| 01/20/1998 | CA2207172A1 Method for inhibiting the growth of microorganisms in an aqueous medium |
| 01/19/1998 | CA2210865A1 Cationic polymer composition for sludge dewatering |
| 01/17/1998 | CA2210556A1 Derivatized rhodamine dye and its copolymers |
| 01/15/1998 | WO1998001491A1 Process for the preparation of aqueous dispersion polymers |
| 01/15/1998 | WO1998001395A1 Oil/grease separator |
| 01/15/1998 | WO1998001394A1 Method and device for treating a liquid medium |
| 01/15/1998 | WO1998001223A1 Lightweight portable device for converting tap water into a spray of demineralized water |
| 01/15/1998 | WO1998001202A1 Device for extracting fresh water |
| 01/15/1998 | DE19728494A1 Solar powered evaporator for desalinating salt water |
| 01/15/1998 | DE19627909A1 Verfahren zur Herstellung von feinteiligen, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen und ihre Verwendung A process for the preparation of finely divided, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines and their use |
| 01/15/1998 | DE19627718A1 Water treatment plant for vehicle wash bays |
| 01/15/1998 | CA2249367A1 Process for the preparation of aqueous dispersion polymers |
| 01/14/1998 | EP0818421A2 Process and apparatus for treatment of water and for keeping it clean |
| 01/14/1998 | EP0818420A1 A polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water |
| 01/14/1998 | EP0817760A1 Sludge digestion method |
| 01/14/1998 | EP0817758A1 Filter for drinking water filtration |
| 01/14/1998 | EP0817678A1 Removal of lead from drinking water |
| 01/14/1998 | EP0759890A4 Method and compositions for treating recirculating water systems |
| 01/14/1998 | EP0627250B1 Method and device for draining-washing |
| 01/14/1998 | CN2272552Y Scale proof box type water heater |
| 01/14/1998 | CN2272439Y Aerobic phase separation type fluidizing reactor |
| 01/14/1998 | CN2272438Y Ozone water disinfector |
| 01/14/1998 | CN2272437Y Natural ore-bearing rock water-purifier |
| 01/14/1998 | CN2272436Y Disalination equipment for salt water |
| 01/14/1998 | CN2272435Y Self-suction type sampler for industrial sewage |
| 01/14/1998 | CN2272291Y High-effect disinfection machine sterilized by electrolyzing water |
| 01/14/1998 | CN1169963A Method of treating waste water from pulping and papermaking by lime process |
| 01/14/1998 | CN1169962A Water softening apparatus |
| 01/14/1998 | CN1169961A Apparatus for emitting radio waves in liquid |
| 01/14/1998 | CN1169960A Compounded wide-spectrum water disinfecting apparatus |