| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/12/1989 | US4865747 Electromagnetic fluid treating device and method |
| 09/12/1989 | US4865745 Reverse osmosis across a membrane of polyethyleneimine crosslinked with polyisocyanate or polycarbonyl chloride |
| 09/12/1989 | US4865742 Method of treating polluted oil-in-water emulsions or microemulsions |
| 09/12/1989 | US4865734 Buoyant coarse media flocculator |
| 09/12/1989 | US4865730 Apparatus for the removal of ferromagnetic materials from liquids, organic or inorganic compounds respectively mixtures--in particular fuels--, for treating with magnetic field and reduction of surfacial stresses |
| 09/12/1989 | US4865726 Device for making potable water |
| 09/12/1989 | US4865723 Buoyancy powered desalinization plant |
| 09/12/1989 | US4865631 Vacuum sewage system |
| 09/12/1989 | CA1259166A1 Process for drilling geothermal wells with removal of h.sub.2s |
| 09/11/1989 | EP0335971A4 Supported heteropolycyclic compounds in the separation and removal of late transition metals. |
| 09/08/1989 | WO1989008227A1 Central heating system with arrangement and application for eliminate oxygen from water |
| 09/08/1989 | WO1989008138A1 Gasification process |
| 09/08/1989 | WO1989008092A1 Removal of organic compounds from fluids |
| 09/08/1989 | WO1989008083A1 Portable water-purifying devices |
| 09/08/1989 | WO1989008082A1 Devices for treating waste water |
| 09/08/1989 | WO1989008081A1 Water treatment aggregate |
| 09/08/1989 | WO1989008080A1 Electric pulse generator for reducing the formation of salt incrustations on a wall |
| 09/08/1989 | WO1989008079A1 Catalytic process for degradation of organic materials in aqueous and organic fluids to produce environmentally compatible products |
| 09/08/1989 | WO1989007970A1 Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work |
| 09/07/1989 | DE3805908A1 Reactor for gas-liquid reactions |
| 09/07/1989 | DE3805906A1 Process and apparatus for detoxifying cyanide- and heavy metal-containing solutions |
| 09/07/1989 | DE3805770A1 Apparatus for periodic control of liquid levels |
| 09/06/1989 | EP0331296A1 Carcass chiller and sterilizer |
| 09/06/1989 | EP0331136A1 Installations for waste water disposal |
| 09/06/1989 | EP0330659A1 Process for separating hydrocarbons from waste water. |
| 09/06/1989 | CN1035252A Magnetic equipment for separating and filtering |
| 09/05/1989 | US4864065 Process for removing halogenated hydroxyaromatics from aqueous solutions |
| 09/05/1989 | US4863960 Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and methyl sulfonyl acrylonitile |
| 09/05/1989 | US4863616 Microbiological control process |
| 09/05/1989 | US4863615 Cationic polymers, spraying |
| 09/05/1989 | US4863612 Apparatus and method for recovering materials from process baths |
| 09/05/1989 | US4863608 Photocatalytic treatment of water for the preparation of ultra pure water |
| 09/05/1989 | US4863607 Method for removing amine from oil |
| 09/05/1989 | US4863602 Flexible filter element employing filtering sheets formed with bypass openings |
| 09/05/1989 | US4863580 Waste metal extraction apparatus |
| 09/05/1989 | US4863495 Process for removing volatile organic compounds from air streams |
| 09/05/1989 | US4863103 Combination sink spray and water filter apparatus |
| 09/05/1989 | CA1259142A1 Sludge bed clarification device for solid-containing liquids |
| 08/31/1989 | DE3824641C1 Process for cleaning bottles and apparatus for carrying out such a process |
| 08/30/1989 | EP0330494A2 Method for the control of mollusks |
| 08/30/1989 | EP0330490A1 Vacuum sewage system, waste tank therefor and transport vehicle incorporating such a system |
| 08/30/1989 | EP0330028A1 Process and apparatus for the detoxification of solutions containing cyanides and heavy metals |
| 08/30/1989 | EP0330021A1 Process and installation for waste water purification |
| 08/30/1989 | EP0329886A1 Process and apparatus for recovery and recycling conveyor lubricants |
| 08/30/1989 | CN1035099A Method for recovery of cyanide |
| 08/29/1989 | US4861766 Antimicrobial composition |
| 08/29/1989 | US4861497 Method for the processing of organic compounds |
| 08/29/1989 | US4861493 Sulfiding metals, crystallization out of solution |
| 08/29/1989 | US4861492 Using organic polymeric flocculants |
| 08/29/1989 | US4861489 Controlling respiratory bacteria |
| 08/29/1989 | US4861484 Transition metal catalyst with peroxide; elimination of toxic wastes |
| 08/29/1989 | US4861481 Multi-functional filtering medium |
| 08/29/1989 | US4861451 Chlorinator cell |
| 08/29/1989 | US4861435 Water distillation apparatus for under-the-sink operation |
| 08/29/1989 | US4861352 Vapor pressure differentials of components; stripping gas at supersonic velocity |
| 08/29/1989 | CA1258820A1 Electrolyzing dilute caustic soda solution with sequential polarity inversion |
| 08/24/1989 | WO1989007636A1 Process for treating coal pyrolysis effluent |
| 08/24/1989 | WO1989007480A1 Supercritical separation process for complex organic mixtures |
| 08/24/1989 | DE3805722C1 Process for purifying glass industry waste waters |
| 08/23/1989 | EP0329601A1 Method and installation for removing dissolved oxygen from chlorinated water, particularly sea water, by means of an oxygen-poor stripping gas |
| 08/23/1989 | EP0329562A1 Process for the treatment of liquids such as water, especially swimming pool water, and device and installation for carrying it out |
| 08/23/1989 | EP0329355A2 Machine element for use in liquid treating system |
| 08/23/1989 | EP0329275A1 Method of recovering silver from photographic processing solution and apparatus therefor |
| 08/23/1989 | EP0328993A1 Apparatus for the expulsion of light volatile pollutants from ground water |
| 08/23/1989 | EP0328782A1 Method for purification of air |
| 08/23/1989 | EP0328560A1 Mineral substance, process for its manufacture and use thereof. |
| 08/23/1989 | EP0205465B1 Dynamic anaerobic filter |
| 08/23/1989 | CN1034910A Method for removing fluor in water |
| 08/23/1989 | CN1034909A Method for producing ferrous system of polymerized water purifier |
| 08/23/1989 | CN1034908A Drinking water purifier and preparation method of filtrating agent |
| 08/22/1989 | US4859756 Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use |
| 08/22/1989 | US4859440 Method of treating flue gases and combustion residues |
| 08/22/1989 | US4859386 Method of making a water filter |
| 08/22/1989 | US4859345 Bath water heater and circulator-purifier apparatus |
| 08/22/1989 | US4859344 Using pumpable fly ash slurry |
| 08/22/1989 | US4859327 Means for water and wastewater treatment |
| 08/22/1989 | US4859325 Waste material treatment apparatus |
| 08/22/1989 | US4859320 Leak-proof water processing unit |
| 08/22/1989 | CA1258566A1 Solvent absorption and recovery system |
| 08/17/1989 | DE3804652A1 Method for removing oxygen dissolved in water |
| 08/17/1989 | DE3804573A1 Process for treating a solution, in particular for wastewater purification |
| 08/17/1989 | DE3803905A1 Verfahren zur behandlung von bei der kohlepyrolyse anfallendem abwasser Process for the treatment of waste water accumulating in the coal pyrolysis |
| 08/16/1989 | EP0328035A2 Industrial waste water treatment plant |
| 08/16/1989 | EP0327796A2 Shaped polymeric organosiloxane-ammonium compounds, process for their preparation and their use |
| 08/16/1989 | EP0327603A1 Self-contained filter unit |
| 08/16/1989 | EP0327584A1 Orbital drive evaporator. |
| 08/16/1989 | CN2042941U Condenser in multi-effect water-distilling machine |
| 08/16/1989 | CN2042846U Disinfecting water treatment appliance |
| 08/16/1989 | CN2042845U Electrostatic scale controller |
| 08/16/1989 | CN2042844U Strong-magnetic processor |
| 08/16/1989 | CN1034701A Basic aluminium chlorosulphate, process for producing it, and its use as flocculating agent |
| 08/15/1989 | US4857950 Wash water reservoiring method and apparatus therefore |
| 08/15/1989 | US4857363 Process for preparation of semipermeable composite membrane |
| 08/15/1989 | US4857209 Method for controlling macroinvertebrates |
| 08/15/1989 | US4857207 Process for reducing the phenol content in phenol-containing waters |
| 08/15/1989 | US4857206 Method for treating, spent dryfilm stripping and developing solutions |
| 08/15/1989 | US4857204 Method of an apparatus for sterilizing aqueous media, more particularly drinking water |
| 08/15/1989 | US4857203 Water pollution control |
| 08/15/1989 | US4857198 Process for treatment of water containing volatile and toxic compounds |
| 08/15/1989 | US4857185 Aerated facultative basin having a dual function aeration and sludge removal pump in adjacent well |