| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/23/1997 | EP0538474B1 Electrolytic vessel for producing hypochlorite |
| 07/23/1997 | EP0516744B1 Method and apparatus for recirculation of liquids |
| 07/23/1997 | CN2258166Y 便携式水净化器 Portable water purifiers |
| 07/23/1997 | CN2258165Y Tap water purifier for automatically preparing cold and hot pure water |
| 07/23/1997 | CN2258162Y Waste-water purifier for use in yellow phosphorus industry |
| 07/23/1997 | CN2258161Y Device for transmitting electric wave in liquid |
| 07/23/1997 | CN2258160Y Magnetizer for purifying tap water |
| 07/23/1997 | CN2258159Y Housing of pure water maker |
| 07/23/1997 | CN2258158Y New water sterilizing device |
| 07/23/1997 | CN2258157Y Turbo-oxygenating air-floated water purifier |
| 07/23/1997 | CN2258093Y Structure of sewage and pure water treater |
| 07/23/1997 | CN1154950A Spare-data device of cold-hot water purifying device |
| 07/23/1997 | CN1154948A Physiological water for drinking and prepn. method thereof |
| 07/23/1997 | CN1035473C Process for producing solid poly-ferric sulfate |
| 07/23/1997 | CA2167738A1 Pool water treatment product |
| 07/22/1997 | US5650465 Quaternary dialkylaminomethyl acrylamide copolymers with anionic monomers |
| 07/22/1997 | US5650440 Method of using citramalic acid for treating wrinkles |
| 07/22/1997 | US5650437 Method of using benzilic acid for treating wrinkles |
| 07/22/1997 | US5650436 Method of using galactonic acid or galactonolactone for treating wrinkles |
| 07/22/1997 | US5650100 Apparatus for providing absorption of gaseous and liquid phases |
| 07/22/1997 | US5650064 Automatic device for the regeneration of a bed of ion-exchanging resins |
| 07/22/1997 | US5650056 Uses a surfactant having hydrophilic, hydrophobic and chelation groups |
| 07/22/1997 | US5650050 Device for the desalination of sea water |
| 07/22/1997 | US5649894 Compositions and methods for waste treatment |
| 07/22/1997 | US5649507 Vehicle spark plug system for operation from a vehicle battery |
| 07/22/1997 | CA2093019E Apparatus and method for hydrolysis of cyanide-containing liquids |
| 07/17/1997 | WO1997025467A1 Cold water washing formula |
| 07/17/1997 | WO1997025279A1 A device for sterilization of water |
| 07/17/1997 | WO1997025278A1 Process for purifying rinsing water used in semiconductor manufacture |
| 07/17/1997 | WO1997025277A1 Cyanide removal from process water |
| 07/17/1997 | WO1997025147A1 Electrodeionization apparatus having geometric arrangement of ion exchange material |
| 07/17/1997 | WO1997025128A1 Multi-port, multi-stream valve apparatus |
| 07/17/1997 | WO1997025127A1 Method of filtering the organic solutions arising in the production of circuit boards |
| 07/17/1997 | DE19706293A1 Method of treating waste water containing oil emulsions |
| 07/17/1997 | DE19600967A1 Verfahren zum Auftrennen von aus der Leiterplattenherstellung stammenden organischen Prozeßlösungen Method for separating derived from the organic circuit board manufacture process solutions |
| 07/17/1997 | DE19600774A1 Cyanidentfernung aus Prozeßwasser Decyanidation of process water |
| 07/17/1997 | CA2242549A1 Electrodeionization apparatus having geometric arrangement of ion exchange material |
| 07/17/1997 | CA2242162A1 Method of filtering the organic solutions arising in the production of circuit boards |
| 07/16/1997 | EP0783461A1 Method for processing acid effluents |
| 07/16/1997 | EP0783460A1 Method of processing an aqueous solution in the amine oxide process |
| 07/16/1997 | EP0756509A4 Chemical feeder |
| 07/16/1997 | EP0705129B1 Solid phase extraction method and apparatus |
| 07/16/1997 | EP0688302B1 Method for disinfecting water such as drain water in horticulture, and appliance to be used therewith |
| 07/16/1997 | EP0526590B1 Process and apparatus for biological treatment of effluent |
| 07/16/1997 | CN2257821Y Purifying mineralizing water feeder |
| 07/16/1997 | CN2257820Y Two-stage wheel-type floating bed |
| 07/16/1997 | CN2257679Y Thermal and quick cooling magnetizing cup |
| 07/16/1997 | CN1154343A Biochemical method for fixation of manganese and then removing manganese |
| 07/16/1997 | CN1035417C Electric multi-phase catalysis method for treating waste water from brewery |
| 07/15/1997 | US5648395 Method of using tartaric acid for treating wrinkles |
| 07/15/1997 | US5648391 Method of using galacturonic acid or galacturonolactone for treating wrinkles |
| 07/15/1997 | US5648388 Method of using methyllactic acid for treating wrinkles |
| 07/15/1997 | US5648313 Alginates |
| 07/15/1997 | US5647997 Waste water treatment with peracid compositions |
| 07/15/1997 | US5647996 Precipitation, iron sulfate, acid, lime |
| 07/15/1997 | US5647991 Method and apparatus for treatment of contaminated water using waste shot blast fines |
| 07/15/1997 | US5647989 Method for recovering abrasive particles |
| 07/15/1997 | US5647980 Coarse and fine filters; backwashing; disinfectant chamber; settling and pump chambers |
| 07/15/1997 | US5647977 Aeration, mixing, flocculation, removal solids |
| 07/15/1997 | US5647974 Hexagonal molecular structure water manufacturing apparatus and a method thereof |
| 07/15/1997 | US5647969 Treatment with voltage between carbon layers in water for deionization |
| 07/13/1997 | CA2167127A1 Water distillation apparatus |
| 07/10/1997 | WO1997024422A1 Process for the washing of laundry |
| 07/10/1997 | WO1997024293A1 Method and installation for the removal of resins and tars in wet-scrubbing and wet electrostatic precipitation plants |
| 07/10/1997 | WO1997024290A1 Methods and compositions for controlling biofouling using fluorosurfactants |
| 07/10/1997 | WO1997024162A1 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 |
| 07/10/1997 | DE19641013A1 Device for adding carbon di:oxide to water cycle to reduce acidity |
| 07/10/1997 | DE19624744C1 Disinfecting filter unit removes viruses, germs, pathogenic bacteria and coarse contaminants |
| 07/10/1997 | DE19600356A1 Waste water treatment process and assembly incorporates spiral ultra-violet emitter |
| 07/10/1997 | CA2214149A1 Method and system for binding resin and tar substances in wet-cleaning and wet precipitation systems |
| 07/09/1997 | EP0782720A1 Process and apparatus for rejuvenating developer in printing plate development |
| 07/09/1997 | EP0782641A1 Ozone assisted laundry wash process |
| 07/09/1997 | EP0782547A1 Nitrate recovery facility |
| 07/09/1997 | EP0782546A1 Replaceable integrated water filtration and sterilization cartridge and assembly therefor |
| 07/09/1997 | EP0721534A4 Control of iron deposition in borehole pumps |
| 07/09/1997 | EP0478583B2 Process and device for treating polluted fluids |
| 07/09/1997 | CN2257550Y Resin exchange pot for water treatment |
| 07/09/1997 | CN1153843A Alkali process for treating black liquor |
| 07/09/1997 | CN1153744A Solute for producing mineral water |
| 07/09/1997 | CN1153677A Fixing apparatus for filter of water purifier |
| 07/08/1997 | US5646863 Method and apparatus for detecting and classifying contaminants in water |
| 07/08/1997 | US5646296 Polymerizable bis-imidazolyl compounds; water treatment |
| 07/08/1997 | US5645799 Apparatus for a continuous polymer dosage optimization and waste water analysis system |
| 07/08/1997 | US5645797 Method and apparatus for gas/liquid contact |
| 07/08/1997 | US5645734 Dialysate separation method |
| 07/08/1997 | US5645730 Acid wastewater treatement |
| 07/08/1997 | US5645727 On-line ozonation in ultra pure water membrane filtration |
| 07/08/1997 | US5645726 Treatment of waste liquor in a vertical shaft bioreactor |
| 07/08/1997 | US5645725 Process and device for the biological treatment of organically polluted waste water and organic waste |
| 07/08/1997 | US5645719 Filter clamping device for water purifiers |
| 07/08/1997 | US5645716 Electropurifier and softener system of continuous flow for water and liquids for human, agricultural and industrial consumption |
| 07/08/1997 | US5645703 Treatment of process streams from production of acrylonitrile, caprolactam, methacrylates, polycarbonates, salicylic acid |
| 07/08/1997 | US5645700 Polymer membrane based electrolytic cell and process for the direct generation of hydrogen peroxide in liquid streams |
| 07/08/1997 | US5645697 Preventing contaminant build-up in beer lines |
| 07/08/1997 | US5645693 Plant for sea water desalinizing using solar energy |
| 07/08/1997 | US5645608 Cold water wash method |
| 07/08/1997 | US5645378 Water pollution control |
| 07/08/1997 | US5645374 Contacting with reduced titanium mixture in presence of catalytic corrin or porphyrin compound |
| 07/08/1997 | US5645004 Absorbing and solidifying liquid hydrocarbon by a protective device comprising polymeric absorber material |
| 07/03/1997 | WO1997023415A1 Treatment of alkaline rinse water by reverse osmosis following neutralisation with biogenic carbon dioxide |