Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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09/08/1992 | CA1307203C Microbicidal/microbistatic composition for industrial use |
09/08/1992 | CA1307202C Microbicidal/microbistatic composition |
09/03/1992 | WO1992014681A1 Device for treating a liquid, in particular water |
09/03/1992 | WO1992014534A1 Water purification device |
09/03/1992 | WO1992014533A1 Water remediation |
09/03/1992 | WO1992014531A1 Distillation |
09/03/1992 | DE4106138A1 Treating water contg. particles of concrete - by pumping water collecting tank via flocculant dosing point into settling tank having overflow weir and conical floor with outlet valve |
09/02/1992 | WO1992015539A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
09/02/1992 | EP0501708A1 Method for the combined removal and destruction of nitrate ions |
09/02/1992 | EP0501229A1 Photographic processing method |
09/02/1992 | EP0501113A1 Membraneless chlorine gas generating apparatus |
09/02/1992 | EP0500712A1 Combatting slime-forming microorganisms |
09/02/1992 | EP0500657A1 A method of removing heavy metals form soil, sludge, compost and similar materials |
09/02/1992 | EP0500592A1 Low effluent replenishment system for colour negative developers. |
09/02/1992 | EP0500559A1 Method of processing used paper in the presence of hydroxysulphonate salts |
09/02/1992 | EP0324804B1 Water purification system |
09/02/1992 | EP0192718B1 Process and device for the production of ozone |
09/02/1992 | CN2114659U Ozone steriliser for drinking mineral water |
09/02/1992 | CN2114658U Oxidation reacting tower for water treatment |
09/02/1992 | CN2114657U Wave plate labyrinth automatic water purifier |
09/02/1992 | CN2114656U Multi-purpose float magnetizer |
09/02/1992 | CN2114655U Lolunz effect sea water dosalination system |
09/02/1992 | CN2114654U Water cod treatment filter for oil and gas field |
09/02/1992 | CN2114451U Steam magnetization device |
09/02/1992 | CN2114366U Health pot |
09/02/1992 | CN2114364U Magnetization food & drink device |
09/02/1992 | CA2081307A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances |
09/01/1992 | USRE34050 Filtering system |
09/01/1992 | US5144146 Method for destruction of toxic substances with ultraviolet radiation |
09/01/1992 | US5143625 Method and apparatus for clarifying liquid using a pulsating sludge bed and part of concentrated sludge |
09/01/1992 | US5143624 Adding poly(diallylamine) and poly(methylolacrylamide) to water used to form curtain |
09/01/1992 | US5143623 Precipitation |
09/01/1992 | US5143611 Apparatus for separating oil from water |
09/01/1992 | US5143607 Arrangement for driving out volatile impurities from ground water |
09/01/1992 | US5143481 Method of treating municipal sewage sludge and product produced thereby |
09/01/1992 | CA1307059C Method of treating waste water and equipment therefor |
08/27/1992 | DE4106430A1 Improving quality of water e.g. tap water - by isopathic potentiation, for use in agriculture, forestry, swimming pools |
08/27/1992 | DE4105987A1 In-situ treatment of contaminated ground water - by forming slit shaped zones free from solids and treating water flowing through zones |
08/27/1992 | DE4105600A1 Freeing waste water or waste air from aromatic cpd. carrying functional gp. - by contact with synthetic carrying carboxamide gp. with high specific surface |
08/27/1992 | CA2061464A1 Laundry wash water treatment and wash process |
08/27/1992 | CA2037083A1 Device and process for cleaning waste water |
08/27/1992 | CA2037061A1 Water treatment apparatus and method |
08/26/1992 | WO1992014544A1 Ionotropic gel lacking a gelling ionic entity, process for the preparation of such a gel and use thereof especially in a process for producing a sparkling wine |
08/26/1992 | EP0500266A2 A method of and composition for retarding corrosion of metal surfaces in contact with boiler water systems |
08/26/1992 | EP0499928A1 Process for removal of copper ions from aqueous effluent |
08/26/1992 | EP0499732A1 Dual system using three electrodes to treat fluid |
08/26/1992 | CN2113976U Stirring device for treatment of acid waste water |
08/26/1992 | CN2113975U Energy-saving magnetotherapy water purifier |
08/26/1992 | CN2113687U Convenient tea infuser |
08/26/1992 | CN1017987B Method for treatment of phenolic and aldehyde-contg. wastewater |
08/26/1992 | CN1017986B Process for preparation of inorganic coagulant |
08/26/1992 | CA2081314A1 Ionotropic gel lacking a gelling ionic entity, process for the preparation of such a gel and use thereof especially in a process for producing a sparkling wine |
08/26/1992 | CA2061723A1 Method for the combined removal and destruction of nitrate ions |
08/26/1992 | CA2036979A1 Solar distiller |
08/25/1992 | US5142002 Compositions for germ removal from water |
08/25/1992 | US5141754 Zebra mussel control chemical |
08/25/1992 | US5141653 Apparatus and method for treating a fluid |
08/25/1992 | US5141652 Biocidal solution of bromine chloride, water ans halogen containing stabilizer |
08/25/1992 | US5141647 Control of odor and septicity of sewage |
08/25/1992 | US5141646 Process for sludge and/or organic waste reduction |
08/25/1992 | US5141636 Purification system |
08/25/1992 | US5141531 Hydrating anhydrous salt; dehydrating pure water |
08/25/1992 | CA1306662C Biocide |
08/25/1992 | CA1306661C All-in-one boiler water treatment composition |
08/25/1992 | CA1306654C Low-foaming compositions |
08/23/1992 | WO1992014677A1 Method and apparatus for producing ozone by corona discharge |
08/23/1992 | CA2081014A1 Method and apparatus for producing ozone by corona discharge |
08/22/1992 | CA2053814A1 Method of retarding corrosion of metal surfaces in contact with boiler water systems which corrosion is caused by dissolved oxygen |
08/22/1992 | CA2046971A1 System for treating waste organic solvent and thin membrane distillation apparatus incorporated therein |
08/21/1992 | CA2041205A1 Dual system using three electrodes to treat fluid |
08/20/1992 | WO1992013807A1 Composition and methods for removing or preventing biofilm |
08/20/1992 | WO1992013805A1 Catalytic oxidation of aqueous organic contaminants |
08/20/1992 | WO1992013797A1 Trichloroisocyanuric acid compositions which rapidly disintegrate |
08/20/1992 | WO1992013644A1 Method and device for water-soluble paint overspray recycling |
08/20/1992 | WO1992013623A1 Portable air-water generator |
08/20/1992 | DE4201362A1 Treating abattoir waste water to reduce COD - by adding sodium bentonite, polyvalent metal flocculating agent and flocculation auxiliary, e.g. acrylamide-acrylate] copolymer |
08/20/1992 | DE4105036A1 Treatment of effluent water contg. cement or concrete solids - by incorporating an antisticking agent for the cement, removing coarse solids and pumping the water contg. the fine solids to a filter unit |
08/20/1992 | DE4104756A1 Purificn. of water contg. chlorinated or halogenated hydrocarbon(s) - comprises extn. of hydrocarbon(s) by bubbling air through water and air is then purified using a biological treatment procedure |
08/19/1992 | EP0499358A1 Water treatment agent and process |
08/19/1992 | EP0499356A1 A low profile water distiller |
08/19/1992 | EP0499351A1 Method for treating a solution used for the regeneration of a denitration catalyst |
08/19/1992 | EP0499187A1 Valve assembly for a dental evacuation system |
08/19/1992 | EP0498913A1 Household water filter |
08/19/1992 | EP0483157A4 Removal of contaminants |
08/19/1992 | EP0375683B1 Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used |
08/19/1992 | CN2113585U Multifunctional magnetic thermostat |
08/19/1992 | CN2113270U Sterilization disinfection purifier |
08/19/1992 | CN2113269U Combined water purifier |
08/19/1992 | CN2113101U Drinking purifier |
08/19/1992 | CN2113020U Magnetization vacuum bottle |
08/19/1992 | CN1063666A Volatile toxic sewage processing method by negative pressure and waste heat |
08/19/1992 | CN1017875B Metallic ion adsorbent and method for adsorbing metallic ion with it |
08/18/1992 | USRE34031 Easily inserted disposable filters |
08/18/1992 | US5139945 Thermostable alginate lyase from bacillus steraothermophilus |
08/18/1992 | US5139682 Absorption of impurities onto zeolites, then incubation of zeolites in bacterial cultures for biodegradation of impurities |
08/18/1992 | US5139679 Exposing a mixture containign hydrogen peroxide, a ferrous ion catalyst and waste water to ultraviolet radiation to decompose citric acid and triethanolamine |
08/18/1992 | US5139676 Bacteriostatic water and method for producing the same |
08/18/1992 | US5139675 Dialyzer reprocessing device wherein cleaning fluids are pretreated by injecting electromagnetic radiation having a preselectted frequency through a non-electrically insulated conductor |
08/18/1992 | US5139666 Bottle and filter |
08/18/1992 | US5139663 Discharge valve for dissolved air flotation |