| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/15/1999 | WO1999019259A1 Weathered hermatypic coral material |
| 04/15/1999 | WO1999018294A1 Drinking water treatment installation |
| 04/15/1999 | WO1999018041A1 Recovery of the components of group iii-v material aqueous wastes |
| 04/15/1999 | WO1999018040A1 Water purifying and dispensing apparatus |
| 04/15/1999 | WO1999018038A1 Installation for biochemichal sewage treatment |
| 04/15/1999 | WO1999018033A1 Apparatus and method for the purification of water |
| 04/15/1999 | WO1999017879A2 Method for producing an anion-exchanging mineral and use of said mineral |
| 04/15/1999 | WO1999017866A1 Composite hollow fiber membrane |
| 04/15/1999 | WO1999017864A1 Deionization apparatus having non-sacrificial electrodes of different types |
| 04/15/1999 | WO1998047849A3 Salt of boehmite alumina and processes for dyeing fibers, for treating a dye waste stream and for removing contaminants from a municipal waste treatment stream |
| 04/15/1999 | DE19816900C1 Tilting pipe with float controller and ball valve for discharging liquid |
| 04/15/1999 | DE19745542A1 Disinfection of water entering and circulating through pipes before use |
| 04/15/1999 | DE19745200A1 Hospital water supply which kills pathogens, has pipe section with water heater followed by heat |
| 04/15/1999 | DE19744700A1 Removal of phenolic compounds from wastewater, using lignolytic enzymes for removal or organic substances, prior to treatment with polychromatic light radiation |
| 04/15/1999 | DE19744698A1 Biological treatment of water using fungi |
| 04/15/1999 | DE19744675A1 Drinking water treatment plant assembled from modular units chosen to meet volume throughput and chemical characteristics of water |
| 04/15/1999 | DE19744490A1 Table water supply delivered by carbon filter arranged in series with second filter |
| 04/15/1999 | DE19743693A1 Hydrogen peroxocarbonate peroxohydrates with high active oxygen content, useful as oxidant |
| 04/15/1999 | DE19743606A1 Use of anion-exchanging minerals |
| 04/15/1999 | CA2305776A1 Water purifying and dispensing apparatus |
| 04/15/1999 | CA2305583A1 Apparatus and method for the purification of water |
| 04/15/1999 | CA2305186A1 Installation for biochemichal sewage treatment |
| 04/15/1999 | CA2246647A1 Desalting of aqueous sulfonamide solutions |
| 04/14/1999 | EP0907671A1 Polyamide compositions for removal of polyphenols from liquids |
| 04/14/1999 | EP0907614A1 Apparatus and processes for non-chemical plasma ion disinfection of water |
| 04/14/1999 | EP0907418A1 Flotation plant |
| 04/14/1999 | EP0907406A1 Motorless mixer |
| 04/14/1999 | EP0907403A1 Modular apparatus for the demineralization of liquids |
| 04/14/1999 | EP0907392A1 Water treatment device and method |
| 04/14/1999 | EP0842121A4 Fluid treating apparatus |
| 04/14/1999 | EP0809609B1 Method for degradation of nitroaromatic contaminants |
| 04/14/1999 | EP0682474B1 A method for controlling macroinvertebrates |
| 04/14/1999 | CN2313922Y Comprehensive heavy metal wastewater treatment apparatus |
| 04/14/1999 | CN2313921Y High peroformance water treatment apparatus for waterworks |
| 04/14/1999 | CN2313920Y Container style water purifying supplier |
| 04/14/1999 | CN2313919Y Water magnetizer for incrustant-proof and decrustation |
| 04/14/1999 | CN2313918Y Magnetic incrustant-proof and decrustation apparatus |
| 04/14/1999 | CN2313917Y Water treating apparatus |
| 04/14/1999 | CN2313887Y Integrated water drinking apparatus |
| 04/14/1999 | CN1213985A Composite reverse osmosis membrane and method of reverse osmotic treatment of water using same |
| 04/14/1999 | CN1213648A Sewage treating unit |
| 04/14/1999 | CN1213647A High-low pressure seawater desalination and sewage purification process |
| 04/14/1999 | CN1213491A Comprehensive tech. treatment plan of drip irrigation to high sand content water source |
| 04/13/1999 | US5894077 Electrolysing alkaline solution using porous liquid-permeable high surface area electrode as cathode |
| 04/13/1999 | US5893979 Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage |
| 04/13/1999 | US5893977 Water ionizer having vibration sensor to sense flow in electrode housing |
| 04/13/1999 | US5893976 Method for treatment of water |
| 04/13/1999 | CA2133321C Pulsed electrical discharge apparatus for treating liquid |
| 04/13/1999 | CA2040653C Method for controlling zebra mussels using didecyl dimethyl ammonium halides |
| 04/13/1999 | CA2040651C Method for controlling zebra mussels using dialkyl diallyl ammonium polymers |
| 04/08/1999 | WO1999016934A1 Method for the electrolysis of an aqueous saline solution |
| 04/08/1999 | WO1999016896A1 Method for adjusting and disinfecting liquids |
| 04/08/1999 | WO1999016715A1 Water treatment method and device |
| 04/08/1999 | WO1999016714A1 Process for desalination of saline water, especially sea water, having increased product yield and quality |
| 04/08/1999 | WO1999016713A1 Water quality purification device |
| 04/08/1999 | WO1999016510A1 Agent for eliminating heavy metals comprising an alkaline metal silicate and carbonate |
| 04/08/1999 | WO1999016509A1 Agent for eliminating heavy metals comprising a phosphate compound |
| 04/08/1999 | WO1998057897A9 Oxygenated water cooler |
| 04/08/1999 | WO1998057895A9 Oxidation method, nozzle system and sewage treatment plant |
| 04/08/1999 | WO1998056010A9 Radiolysis-assisted decontamination process |
| 04/08/1999 | DE19743933A1 Method for surface treatment of components, in particular, automobile body structures |
| 04/08/1999 | CA2304762A1 Water treatment method and device |
| 04/08/1999 | CA2304577A1 Method for adjusting and disinfecting liquids |
| 04/07/1999 | EP0906364A1 Water-in-oil emulsion spray drying process |
| 04/07/1999 | EP0906359A1 Spray-drying oil recovery process |
| 04/07/1999 | EP0906358A2 Spray-dried polymer compositions and methods |
| 04/07/1999 | EP0906325A1 Dendrimers based on saccharides |
| 04/07/1999 | EP0906156A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method |
| 04/07/1999 | EP0673349B1 Improvements relating to plastics articles |
| 04/07/1999 | EP0635072B1 Electrolytic cell assembly and process for production of bromine |
| 04/07/1999 | CN2312929Y Rare-earth magnitizing ionic-water machine |
| 04/07/1999 | CN1213388A Flocculating or viscosifying compositions and their production and use |
| 04/07/1999 | CN1213347A Off-shore sewage treating and transport apparatus and method thereof |
| 04/07/1999 | CN1213328A Method and apparatus for minimizing wastewater discharge |
| 04/07/1999 | CN1212953A Method for treating water with frequency-conversion electromagnetic field and its device |
| 04/07/1999 | CN1212943A Table-type pure water machine capable of outflow quantity water without pressure barrel |
| 04/07/1999 | CN1212898A Processes for treatment of flue gas desulfurization waste water |
| 04/06/1999 | US5891956 Functionalized polyethylenimine or acrylic, vinyl or allyl addition polymers having a controlled molecular weight distribution; no leakage during ultrafiltration; separation of metals, e.g. actinides, from streams and solids |
| 04/06/1999 | US5891417 Zirconium silicate and zirconium germanate molecular sieves and process using the same |
| 04/06/1999 | US5891346 Process for treating a sulfide-containing alkaline aqueous effluent, by subjecting it to a wet air oxidation treatment which oxidizes sulfide ions to environmentally acceptable sulfur acid ions |
| 04/06/1999 | US5891345 Destroying organic compounds |
| 04/06/1999 | US5891342 Dewatering process |
| 04/06/1999 | US5891340 Method of cooling filtration apparatus after steam sterilization |
| 04/06/1999 | US5891333 Modular multi-stage water filter apparatus |
| 04/06/1999 | US5891332 Magnetic filtration apparatus for purifying water |
| 04/06/1999 | US5891331 Portable magnetic device having a ceramic body and a hanger for purifying potable water |
| 04/06/1999 | US5891330 Waste treatment system |
| 04/06/1999 | US5891329 Water tapping fixture |
| 04/06/1999 | US5891320 Forming an alkaline solution, acidification, precipitation and filtration |
| 04/06/1999 | US5890750 Tank assembly and method for water treatment |
| 04/06/1999 | US5890454 Pollution control |
| 04/06/1999 | CA2217416A1 Thermal exchange electronic module and water purifier including same |
| 04/06/1999 | CA2092499C Composition and method for scavenging oxygen |
| 04/06/1999 | CA2070630C Method and apparatus for effecting gas-liquid contact |
| 04/03/1999 | CA2249490A1 Fluidized bed aquarium filtration system |
| 04/01/1999 | WO1999015465A1 Method for eliminating a nitrogenated heterocyclic, or aromatic, compound in an effluent |
| 04/01/1999 | WO1999015464A1 Recovery and reuse of nonionic surfactants from aqueous solutions |
| 04/01/1999 | WO1999015463A1 Apparatus for obtaining pure water from crude water |
| 04/01/1999 | WO1999015462A1 Method and device for sewage clarification |
| 04/01/1999 | WO1999015270A1 Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations |