Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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10/19/1994 | CN2179955Y Disk-type magnetic water heater |
10/19/1994 | CN2179871Y High-frequency device for treatment of water |
10/19/1994 | CN2179870Y Electromagnetic device for magnetization of water |
10/19/1994 | CN2179869Y Microfine bubble generator |
10/19/1994 | CN2179868Y Cup for purifying drinking water |
10/19/1994 | CN2179867Y Pipe-line cleaner |
10/19/1994 | CN2179777Y Evaporator with honeycomb |
10/19/1994 | CN2179732Y Multi-functional magnetic hot-water pot |
10/19/1994 | CN2179711Y Travelling magnetic mineral water pot |
10/19/1994 | CN1093683A Drink water purifying cup |
10/18/1994 | US5357291 Transportable electron beam system and method |
10/18/1994 | US5357002 Polymer containing chelating groups, process for preparing it and its use in water purification |
10/18/1994 | US5356548 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion |
10/18/1994 | US5356539 Oxidizing nitrophenols with hydrogen peroxide and ferrous ion catalyst under acidic conditions, removing nitroaromatics with carbon adsorbent |
10/18/1994 | US5356534 Magnetic-field amplifier |
10/18/1994 | US5356533 Bubbling system |
10/18/1994 | US5356458 Computerized chemical injection system for hydrogen sulfide control in a waste water stream |
10/18/1994 | CA2079632C Method for the removal of chromium compounds from aqueous solutions |
10/13/1994 | WO1994023122A1 Method of treating process water |
10/13/1994 | WO1994022772A1 Oxidative method of purifying highly contaminated waste water |
10/13/1994 | WO1994022771A1 Method of treating water |
10/13/1994 | WO1994022770A1 Metal removal from aqueous solution |
10/13/1994 | WO1994022769A1 Inhibiting the growth of zebra mussels |
10/13/1994 | WO1994022768A1 Removal of manganese from water |
10/13/1994 | WO1994022555A1 Microfilter plate and process for making it |
10/13/1994 | WO1994022554A1 Filter |
10/13/1994 | WO1994022300A1 Compositions and methods for inhibiting the formation of chloramines and trihalomethanes in aqueous media |
10/13/1994 | CA2160123A1 Method of treating process water |
10/13/1994 | CA2159198A1 Oxidative method of purifying highly contaminated waste water |
10/13/1994 | CA2137141A1 Inhibiting the growth of zebra mussels |
10/12/1994 | EP0619273A1 Dephosphorization material and dephosphorization method |
10/12/1994 | EP0619272A1 Method for the purification of waste water containing silver |
10/12/1994 | EP0619271A1 Method for removing hydrocarbon products from water surfaces |
10/12/1994 | EP0618883A1 Oil absorption method and apparatus utilizing a replaceable bladder |
10/12/1994 | EP0558577B1 Spray degasser |
10/12/1994 | EP0436715B1 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
10/12/1994 | EP0389601B1 Multistage fractional freezing for superpurifying crystallizable substances |
10/12/1994 | CN2179407Y Multifunction magnetizing water storage apparatus |
10/12/1994 | CN2179373Y Magnetizer |
10/12/1994 | CN2179372Y General water magnetizer |
10/12/1994 | CN2179371Y Floating water purifier |
10/12/1994 | CN2179370Y Thermaltube distilled water maker |
10/12/1994 | CN2179192Y Multifunctional water purifier |
10/12/1994 | CN1093342A Cation coagulant |
10/12/1994 | CN1093341A Sea water desalination method and equipment |
10/12/1994 | CN1093260A Natural selenium mineral concentrated water |
10/11/1994 | US5354835 A polyetherurethane block copolymer gels as water absorbers |
10/11/1994 | US5354515 Domestic electric appliance |
10/11/1994 | US5354482 Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation |
10/11/1994 | US5354481 Water-soluble highly branched polymeric microparticles |
10/11/1994 | US5354480 Flocculation with a water-soluble cationic copolymer in a water-in-oil emulsion |
10/11/1994 | US5354479 Adding high molecular weight polyethylene oxide and cellulose ether to process water to flocculate the resin |
10/11/1994 | US5354478 Separating metals from waste water |
10/11/1994 | US5354477 Low molecular weight amines and amine quaternaries for the removal of soluble organics in oil field produced water |
10/11/1994 | US5354459 Apparatus and method for removing odorous sulfur compounds from potable water |
10/11/1994 | US5354458 Sequencing batch liquid treatment |
10/11/1994 | US5354436 Containing nitrogen oxides and/or nitrates |
10/11/1994 | US5354434 Method for regenerating tetraalkylammonium hydroxide |
10/11/1994 | US5354367 Water insoluble ink and vehicle; water reducible resin; water washable using an alkaline wash |
10/11/1994 | CA1332475C Process for the treatment of effluents containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine |
10/11/1994 | CA1332270C Process for the catalytic treatment of wastewater |
10/08/1994 | CA2120633A1 Method for removing hydrocarbon products from water surfaces |
10/06/1994 | DE4332762C1 Process and apparatus for the biological treatment of organically polluted waste water and organic waste |
10/06/1994 | DE4310996A1 Disinfection method |
10/06/1994 | DE4310264A1 Process and apparatus for sterilising cooling and washing water at dental and oral surgeries |
10/05/1994 | EP0618592A1 Solution decontamination method using precipitation techniques |
10/05/1994 | EP0618176A1 Process for color reduction of dye wastewater |
10/05/1994 | EP0618175A2 Apparatus for conditioning water by Ozone |
10/05/1994 | EP0617993A1 Microfilter disc and process for its production |
10/05/1994 | EP0617991A1 Recovery of oil from waste oil fluids and removal of oil from industrial wastewaters |
10/05/1994 | EP0617951A2 Portable liquid purifying device |
10/05/1994 | EP0563097B1 Processing waste solidification |
10/05/1994 | CN2178717Y Combined series clean water machine |
10/05/1994 | CN1093089A Cephalosporin salts and process for the preparation thereof |
10/05/1994 | CN1093061A Sinter with several microelements and its producing technology |
10/04/1994 | US5352841 Agent for dosing aqueous systems with acrolein, processes for making same, and method of treating an aqueous system |
10/04/1994 | US5352780 Grinding cellulose, reducing to pieces, conditioning with water and surfactant |
10/04/1994 | US5352608 Bioreduction of metal oxides and oxyanions by photosynthetic bacteria |
10/04/1994 | US5352421 Method and apparatus for effecting gas-liquid contact |
10/04/1994 | US5352409 Buffer and method for buffering hot tubs and spas |
10/04/1994 | US5352369 Method of treating water |
10/04/1994 | US5352368 Aldehyde treatment system |
10/04/1994 | US5352364 Serial treatment through at least two reverse osmosis stages; spiral fluid flow |
10/04/1994 | US5352363 Immersing oily workpiece in aqueous detergent solution, applying ultrasonic wave to remove and disperse oil, heating to coalesce oil droplets without evaporating detergent, separating and removing oil |
10/04/1994 | US5352359 Ultraviolet reactor with mixing baffle plates |
10/04/1994 | US5352357 Waste water treatment system |
10/04/1994 | US5352276 Water remediation |
10/04/1994 | US5351651 Artificial sea-water |
10/04/1994 | CA2035506C Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed |
10/04/1994 | CA1332250C Method for the processing of organic compounds |
10/04/1994 | CA1332249C Waste water treating process |
10/03/1994 | CA2120323A1 Photoconductor for electrophotography |
10/01/1994 | WO1995000442A1 Method and apparatus for purifying water |
10/01/1994 | CA2136181A1 Process and device for purifying water |
09/29/1994 | WO1994021862A1 Flow through spill collection boom |
09/29/1994 | WO1994021564A1 Process for reducing the volume of halogenated organic compounds in aqueous systems |
09/29/1994 | WO1994021563A1 Process for reducing the volume of halogenated organic compounds in aqueous systems |
09/29/1994 | WO1994021562A1 Method of separating anionic organic compounds out of aqueous solution |
09/29/1994 | WO1994021561A1 Compact clarifier system for municipal waste water treatment |
09/29/1994 | WO1994021360A1 Reverse osmosis water purifier |