| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 04/30/1998 | WO1998017584A1 Ultrasound treatment device for water or other fluid |
| 04/30/1998 | WO1998017583A1 Aeration tank of organic waste liquor and aeration apparatus using the tank |
| 04/30/1998 | WO1998017582A1 A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge |
| 04/30/1998 | WO1998017390A2 Apparatus for photocatalytic fluid purification |
| 04/30/1998 | WO1998017387A1 New magnetic, porous and oleophillic copolymer used for oil spill clean-up and oil recovery from the sea and the environment |
| 04/30/1998 | WO1998017364A1 Method and apparatus for removing contaminants from fluid columns |
| 04/30/1998 | WO1998017362A1 Method of gasifying or degasifying a liquid |
| 04/30/1998 | DE19646555A1 Water purification by photocatalysed wet oxidation of organic and inorganic contaminants |
| 04/30/1998 | DE19646554A1 High activity catalyst for photocatalysed wet oxidation of organic or inorganic contaminants |
| 04/30/1998 | DE19646553A1 Catalytic wet oxidation of organic or inorganic contaminants |
| 04/30/1998 | DE19646552A1 High activity catalyst for wet oxidation of organic or inorganic contaminants |
| 04/30/1998 | CA2269605A1 Electrochemical treatment of effluent water |
| 04/30/1998 | CA2269331A1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange |
| 04/30/1998 | CA2269070A1 A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge |
| 04/29/1998 | EP0838538A1 Hydroxyimino alkylene phosphonic acids for corrosion and scale inhibition in aqeous systems |
| 04/29/1998 | EP0838435A1 Process and plant for treating an aqueous waste stream containing alkali metal carboxylates |
| 04/29/1998 | EP0838434A2 Electrolytic treatment of aqueous salt solutions |
| 04/29/1998 | EP0838433A1 Process and apparatus for water softening |
| 04/29/1998 | EP0838432A1 Sink-and-float body for purification and purificator |
| 04/29/1998 | EP0838045A1 Making a photopolymer printing plate |
| 04/29/1998 | EP0837834A1 Formic acid and formaldehyde destruction in waste streams |
| 04/29/1998 | EP0837729A1 Method and apparatus for producing deionized water |
| 04/29/1998 | EP0837726A1 Filter assembly with valve head and cartridge |
| 04/29/1998 | EP0837627A1 Methods for reducing environmental contaminants |
| 04/29/1998 | EP0687247B1 Process for electrochemical treatment of cellulose waste lye |
| 04/29/1998 | EP0683693B1 Method and apparatus for separation by flotation |
| 04/29/1998 | CN2280098Y Wastewater treatment equipment |
| 04/29/1998 | CN2280096Y Apparatus for purifying cutting liquid |
| 04/29/1998 | CN2280095Y Electric de-ionized water purification apparatus |
| 04/29/1998 | CN2280094Y Double electrolytic waste water treatment equipment |
| 04/29/1998 | CN2280093Y Time-limiting type reverse osmosis equipment for purifying drinking water |
| 04/29/1998 | CN2280092Y Normal pressure water storage and reverse osmosis water purification equipment |
| 04/29/1998 | CN2280091Y Treatment of wastewater from car washing |
| 04/29/1998 | CN2280090Y Photo-catalytic type water treatment equipment |
| 04/29/1998 | CN2280089Y Blowing and foam removing equipment of sludge scraping and suction machine |
| 04/29/1998 | CN2280088Y Equipment for recovering suspended substance in liquid |
| 04/29/1998 | CN2279930Y Water magnetizing device with strong magnet for scale removing and scale prevention |
| 04/29/1998 | CN1180343A Non-draining type human waste disposal method by pulse combustion drying |
| 04/29/1998 | CN1180116A Sewage utilization and lost pulp recovery installation for papemill |
| 04/29/1998 | CN1180053A Method for treatment of waste liquid containing nickel and iron chloride |
| 04/29/1998 | CN1180052A Method for preparation of zinciferous water |
| 04/29/1998 | CN1180051A High efficiency anion-removing agent and its producing method |
| 04/29/1998 | CN1180050A Method for treating wastewater containing hazardous matter using electron beam irradiation |
| 04/29/1998 | CN1180049A Treating method for extracting iron from waste liquid containing nickel or iron chloride |
| 04/28/1998 | US5744811 Transportable electron beam system and method |
| 04/28/1998 | US5744065 Nonionic splittable surfactant containing cyclic 1,3-dioxane and/or 1,3-dioxolane functionality, useful in deinking formulation, laundry detergents, metalworking and textile industries to remove emulsified hydrophobic impurities |
| 04/28/1998 | US5744064 Nonionic surfactant having a 1,3-dioxane or a 1,3-dioxolane functionality which is irreversibly splittable by lowering the ph |
| 04/28/1998 | US5744045 Method of treating fluids |
| 04/28/1998 | US5744040 Apparatus and method for removing dissolved hydrogen sulfide from water |
| 04/28/1998 | US5744033 Water filter for use with a faucet |
| 04/28/1998 | US5744030 Filter assembly with automatic shut-off and quick-connect filter cartridge |
| 04/28/1998 | US5744028 Water treating apparatus |
| 04/28/1998 | US5744008 Hurricane tower water desalination device |
| 04/28/1998 | US5743287 Automatic pool chlorinator |
| 04/28/1998 | CA2123799C Method for controlling the regeneration of a water treatment system |
| 04/28/1998 | CA2058972C Process and installation for treating liquids charged with pollutants |
| 04/23/1998 | WO1998016680A1 Metal chelate forming fiber, process for preparing the same, and method of metal ion sequestration using said fiber |
| 04/23/1998 | WO1998016478A1 Method and device for treating aqueous fluid industrial sewage |
| 04/23/1998 | WO1998016477A1 Method to reduce or prevent scaling |
| 04/23/1998 | WO1998016476A1 Process for the removal of dissolved metals and/or metalloids from an aqueous medium containing same and having a high content of salt |
| 04/23/1998 | WO1998016475A1 Use of tartronic acid as an oxygen scavenger |
| 04/23/1998 | WO1998016474A1 Solar stills for producing fresh water |
| 04/23/1998 | WO1998016473A2 Ozone treatment system |
| 04/23/1998 | WO1998016462A1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 04/23/1998 | WO1998016290A1 The use of infrared radiation in detection methods to defoam aqueous systems |
| 04/23/1998 | WO1998016289A1 Water purification system |
| 04/23/1998 | WO1998016169A1 Interdental cleaner and manufacturing process |
| 04/23/1998 | DE19723300A1 Rain filtering unit, e.g. for installation in drainage pipes |
| 04/23/1998 | DE19709384C1 Waste water treatment process immobilises microorganisms on one side of membrane |
| 04/23/1998 | DE19646414C1 Small-scale municipal waste water treatment plant combines filtration with electrical treatment |
| 04/23/1998 | CA2218797A1 Hydroxyimino aklylene phosphonic acids for corrosion and scale inhibition in aqueous systems |
| 04/22/1998 | EP0837290A1 Water cooler |
| 04/22/1998 | EP0837157A2 Electrode arrangement |
| 04/22/1998 | EP0837038A1 Method for water treatment |
| 04/22/1998 | EP0836879A1 Method and apparatus for removing oil contaminants from cool water systems |
| 04/22/1998 | EP0836583A1 Treatment of aqueous systems using a chemically modified tannin |
| 04/22/1998 | EP0836553A1 Composite particulate material and process for preparing same |
| 04/22/1998 | EP0836537A1 Process for cleaning factory equipment with integrated prerinse |
| 04/22/1998 | EP0836533A1 A method and a device for purifying water |
| 04/22/1998 | EP0745059B1 Water-purifying apparatus |
| 04/22/1998 | CN2279357Y Health magnetic ring |
| 04/22/1998 | CN2279356Y Thick black liquor extracting machine for paper-making |
| 04/22/1998 | CN1179488A Washing machine having electrolytic sewage disposal apparatus |
| 04/21/1998 | US5741768 Composition and improved PH driven method for wastewater separation using an amphoteric dicarboxylate and a cationic destabilizer composition |
| 04/21/1998 | US5741757 Biocidal mixture of tetrakis (hydroxymethyl) phosphonium salt and a surfactant |
| 04/21/1998 | US5741427 Soil and/or groundwater remediation process |
| 04/21/1998 | US5741426 Method for treatment of contaminated water |
| 04/21/1998 | US5741420 Dew forming prevention apparatus |
| 04/21/1998 | US5741416 Water purification system having plural pairs of filters and an ozone contact chamber |
| 04/21/1998 | US5741005 Rotary disk control valve for a water conditioning system |
| 04/21/1998 | CA2164348C Method and apparatus for treatment of industrial and municipal liquid wastes |
| 04/16/1998 | WO1998015581A1 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration |
| 04/16/1998 | WO1998015349A1 Light expanded clay aggregates for phosphorus removal |
| 04/16/1998 | WO1998015337A2 Solid filter |
| 04/16/1998 | DE19739493A1 Organic halogen compound removal from water |
| 04/16/1998 | DE19642431A1 Interdentalreiniger und Verfahren zu seiner Herstellung Interdental cleaner and method for its preparation |
| 04/16/1998 | DE19642127A1 Disinfectant containing iron-free siderophore and active oxygen compound, |
| 04/16/1998 | DE19641535A1 Sludge-flocculant test mixture chamber with smooth circular walls |
| 04/16/1998 | DE19641018A1 Treating waste water, e.g. from gas pipe washing |
| 04/16/1998 | CA2267159A1 Light expanded clay aggregates for phosphorus removal |