| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/08/1992 | US5169533 Pervaporation, decantation |
| 12/08/1992 | US5169528 Filter element |
| 12/08/1992 | US5169004 Method of and apparatus for treating building rubble |
| 12/08/1992 | US5168922 Barometric direct-contact condenser |
| 12/08/1992 | US5168728 Heating air; saturating with water; compressing; partially cooling and dehumidifying; rapid expansion; air conditioning; distilled water |
| 12/08/1992 | CA2044107A1 Closed loop photographic process wastewater treatment system and process therefor |
| 12/08/1992 | CA1311236C Supercritical separation process for complex organic mixtures |
| 12/05/1992 | CA2070226A1 Fluorine adsorbent and its method of manufacture |
| 12/03/1992 | DE4140247C1 Removing oil from water or ground surfaces - using an adsorber consisting of glass fibre coated with silicon@ and starch, useful esp. after an accident |
| 12/03/1992 | DE4118088A1 Continuous selective water cleaning - uses adsorption on separated concentrate to be mixed with separated permeate for selective removal of small concentrations of matter |
| 12/03/1992 | DE4117234A1 Compsn. for heavy metal bio:sorption - comprises an alginate gel insoluble in water |
| 12/02/1992 | EP0516326A1 Improved method for removing solids from systems containing water-based paints |
| 12/02/1992 | EP0516305A1 Simultaneous use of water soluble polymers with ozone in cooling water systems |
| 12/02/1992 | EP0515936A1 Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures |
| 12/02/1992 | EP0515686A1 Method of water purification |
| 12/02/1992 | EP0515628A1 Water sterilising device. |
| 12/02/1992 | EP0458808B1 A device for the mechanical separation of insoluble solids from a liquid containing said solids |
| 12/02/1992 | EP0440639B1 Improvements in or relating to the sanitation of swimming pool water |
| 12/02/1992 | EP0402406B1 Portable water-purifying devices |
| 12/02/1992 | EP0327584B1 Orbital drive evaporator |
| 12/02/1992 | CN2123530U Softener for automobile cooling water |
| 12/02/1992 | CN2123529U Rust remover by magnetizing |
| 12/02/1992 | CN2123528U Water magnetizing device |
| 12/02/1992 | CN2123527U Water purifiging air-float pond |
| 12/02/1992 | CN2123526U High efficient corrugated pipe filler sol-gas pot |
| 12/02/1992 | CN2123357U Filtering type porcelain drinking water equipment using chemicals as purification agent |
| 12/02/1992 | CN2123309U Magnetic mat for baby's seeding-bottle |
| 12/02/1992 | CN2123242U Thermo-cup with strong magnetic field |
| 12/02/1992 | CN2123216U Portable mineral water pot |
| 12/02/1992 | CN1066722A Energy saving magnetized water heater used for physical therapy |
| 12/02/1992 | CN1066640A Waste water treatment method with lye |
| 12/02/1992 | CN1066639A Concentrating-burning treatment of organic lye change |
| 12/02/1992 | CN1066638A Inorganic metallic ions and trace elements enriched liquid preparation from natural sea water and its application method |
| 12/02/1992 | CN1019322B Process for recovering waste alkali and its apparatus |
| 12/02/1992 | CN1019291B Process for treating the efflvent from cyanogenation in the polymethylmethacrylate plant |
| 12/01/1992 | US5167939 Process for removing calcium and magnesium ions from an aqueous alkali chloride solution for use in membrane electrolysis |
| 12/01/1992 | US5167838 Three phase separation process |
| 12/01/1992 | US5167835 Method of scavenging oxygen from boiler waters with substituted quinolines |
| 12/01/1992 | US5167834 Oxidation of condensate from geothermal brine; air pollution control |
| 12/01/1992 | US5167821 Method for thickening and dewatering slurry sludge |
| 12/01/1992 | US5167819 Canteen having a removably mounted filter device |
| 12/01/1992 | US5167816 Sterile coupling device for drug container |
| 12/01/1992 | US5167815 Apparatus for removing substances from the surface of a liquid |
| 12/01/1992 | US5167808 Deionized water purification system |
| 12/01/1992 | US5167806 Gas dissolving and releasing liquid treatment system |
| 12/01/1992 | US5167800 Apparatus for treatment of acidic water streams |
| 12/01/1992 | US5167777 Process and apparatus for the removal of oxyhalide species from aqueous solutions |
| 12/01/1992 | CA1310950C Process for recovering regenerated adsorbent particles and separating ash therefrom |
| 12/01/1992 | CA1310948C Carbonaceous adsorbent for removal of pyrogen and method of producingpure water using same |
| 12/01/1992 | CA1310882C Composition based on diorganopolysiloxane gum containing iodine, for water processing |
| 11/29/1992 | CA2069527A1 Method for removing solids from systems containing water-based paints |
| 11/26/1992 | WO1992020627A1 Liquid treatment |
| 11/26/1992 | WO1992020625A1 Water purification process and system |
| 11/26/1992 | WO1992020624A1 Methods and apparatus for producing potable water |
| 11/26/1992 | WO1992020423A1 Removing volatile organic compounds from groundwater |
| 11/26/1992 | WO1992020422A1 Method of separating mixtures of liquids of different density and different adhesivity on non-absorbant solid surfaces |
| 11/26/1992 | WO1992020330A1 New thermoplastic polymeric material and process for making same |
| 11/26/1992 | WO1992020329A1 Enzyme systems |
| 11/26/1992 | DE4210067A1 Hand tool cleaner - has wash basin over collection chamber to pass soiled water to filter trough for cleaning and return to wash basin |
| 11/26/1992 | DE4116919A1 Water cleaning - has catch basin for overflow of water and air mixt. for sepn. by gravity into pptd. and floating portions |
| 11/26/1992 | DE4116557A1 Processing of waste paper - using recycled water from paper machine with waste water treatment system |
| 11/26/1992 | CA2109622A1 New thermoplastic polymeric material and process for making same |
| 11/26/1992 | CA2108128A1 Removing volatile organic compounds from groundwater |
| 11/26/1992 | CA2102607A1 Enzyme systems |
| 11/25/1992 | EP0515346A1 Method and apparatus for modifying the formation of cristals by means of an electric field |
| 11/25/1992 | EP0514543A1 Sewage purification apparatus |
| 11/25/1992 | EP0514443A1 Method and apparatus for removing silver in the form of silver salts from a liquid. |
| 11/25/1992 | EP0486588A4 Process and apparatus for recycling food processing water |
| 11/25/1992 | CN2122861U Purifier of oil-containing sewage |
| 11/25/1992 | CN2122860U 浮油收集器 Slick collector |
| 11/25/1992 | CN2122604U Multi-functional magnetotherapy tooth-rinsing machine |
| 11/25/1992 | CN2122576U Magnet health basin |
| 11/25/1992 | CN2122572U Magnetotherapy health bottle with music |
| 11/25/1992 | CN2122561U Mineral water heating kettle |
| 11/25/1992 | CN2122549U Magnet cup with music for children |
| 11/25/1992 | CN2122526U Portable magnet thermos bottle for children |
| 11/25/1992 | CN2122490U Liquid magnetizer |
| 11/25/1992 | CN1066473A Efficient method for extracting china medical stone |
| 11/24/1992 | US5166527 Ultraviolet lamp for use in water purifiers |
| 11/24/1992 | US5166220 Water softening process |
| 11/24/1992 | US5166123 Carbonaceous adsorbent for removal of pyrogen from water |
| 11/24/1992 | CA2062476A1 Reduction of organic pesticide content in agricultural waste water |
| 11/24/1992 | CA1310718C Electrographic apparatus |
| 11/24/1992 | CA1310609C Method and apparatus for generating acid and base regenerants and theuse thereof to regenerate ion-exchange resins |
| 11/24/1992 | CA1310606C Vacuum distillation system |
| 11/23/1992 | CA2043015A1 Method for treating sludges |
| 11/19/1992 | EP0514177A1 Catalyst for treating wastewater, process for producing it, and process for trating wastewater with the catalyst |
| 11/19/1992 | EP0514132A1 Method for removing paint solids from water-based paint systems using aluminum salts |
| 11/19/1992 | EP0513809A2 Method for treating cooling fluids and/or lubricants used in rolling mill installations and device therefor |
| 11/19/1992 | EP0513454A1 Caustic sulfide wet oxidation process |
| 11/19/1992 | EP0513352A1 Method of cleaning soil water |
| 11/19/1992 | EP0513340A1 Apparatus and process for removing contaminants from soil |
| 11/19/1992 | EP0513239A1 N,n'-dihaloimidazolidin-4-ones |
| 11/19/1992 | EP0513234A1 Drinking water filter |
| 11/19/1992 | EP0513186A1 Process for oxidation of materials in water at supercritical temperatures. |
| 11/19/1992 | EP0513064A1 Manipulation of solid, semi-solid or liquid materials. |
| 11/19/1992 | DE4116128A1 Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted water |
| 11/19/1992 | DE4116082A1 Car wash waste water treatment - is cleaned mechanically and biologically for recirculation and normal disposal of collected solids |
| 11/18/1992 | CN2121985U Health-care water purifying pot for children preventing cancer |
| 11/18/1992 | CN1066257A Method for treatment of wastewater or residul containing copper, zinc and chromium ions |