| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 05/17/1994 | US5312533 Electrode element for electrolytic purposes and its use |
| 05/13/1994 | CA2082738A1 Detritus disposal method |
| 05/11/1994 | WO1994010298A1 Stabilization of hemoproteins |
| 05/11/1994 | WO1994010094A1 Methods for generating residual disinfectants during the ozonization of water |
| 05/11/1994 | WO1994010093A1 Method of treating acid waters |
| 05/11/1994 | WO1994010092A1 Dephosphorization material and dephosphorization method |
| 05/11/1994 | WO1994010091A1 Sorbent for removing microorganisms and harmful inorganic and organic impurities from water, and a device for using the same |
| 05/11/1994 | WO1994009908A1 Vortex flocculation of solids suspended in liquid |
| 05/11/1994 | WO1994009900A1 An environmental product capable of absorbing oil from the surface of water, and process |
| 05/11/1994 | EP0596801A2 Expandable graphite compositions for absorption of liquids and method for the manufacture thereof |
| 05/11/1994 | EP0596621A1 Method of production of a beverage for human consumption |
| 05/11/1994 | EP0596549A1 Method and apparatus for silver recovery from photographic processing solutions |
| 05/11/1994 | EP0596454A1 Method for immobilizing linear polymers on a chemical retardant support material |
| 05/11/1994 | EP0596332A1 Device for cleaning large quantities of water from debris |
| 05/11/1994 | EP0595898A1 Paint detackifying and flocculating composition and process |
| 05/11/1994 | EP0595858A1 Supercritical water oxidation process and apparatus of organics with inorganics. |
| 05/11/1994 | EP0595799A1 Process in thermal decomposing a carbonaceous raw material |
| 05/11/1994 | EP0427813B1 Apparatus and method for continuously removing oxygen from fluid streams |
| 05/11/1994 | DE4337830A1 Process to remove cpd. such as halohydrocarbon from liquid medium - applies liquid regeneration agent to adsorber membrane stage |
| 05/11/1994 | DE4307884C1 Lamp for photochemical reactor has outer tube connected to head section. - with elastic seals between open end of tube and inner wall of head section are compressed by screws to hold and seal tube in place |
| 05/11/1994 | DE4237604A1 Ultrafiltration membrane with low tendency to fouling - has a non-porous, hydrophilic separation layer consisting of a polyamide-polyether block copolymer. |
| 05/11/1994 | CN2164412Y Treating device for water magnetization |
| 05/11/1994 | CN2164411Y Vortex magnetizer |
| 05/11/1994 | CN2164410Y Paper making waste water treating device by electrodialysis |
| 05/11/1994 | CN2164409Y Magnetization, purifying, mineralization device |
| 05/11/1994 | CN2164408Y Multi-function domestic water purifier |
| 05/11/1994 | CN2164234Y Strong magnetic therapeutic cup |
| 05/11/1994 | CN2164233Y Electric magnet cup |
| 05/11/1994 | CN1086498A Yellow phosphorus containing waste water treatment by multi-stage oxidizing and settling |
| 05/11/1994 | CN1086497A Water treating method for disinfecting, softening and improving its quality |
| 05/11/1994 | CN1086496A Water disinfecting system and its operation |
| 05/11/1994 | CN1086495A Fluid-bed water-treating apparatus for desalting |
| 05/11/1994 | CN1086456A High effective water purifier |
| 05/11/1994 | CN1086391A Conservation of orthophosphate waste |
| 05/11/1994 | CN1024460C Process for wastewater treatment and the recovery of O-phenylenediamine |
| 05/11/1994 | CA2148246A1 Methods for generating residual disinfectants during the ozonization of water |
| 05/11/1994 | CA2127128A1 Vortex flocculation of solids suspended in liquid |
| 05/10/1994 | US5310761 Biocidal compositions and use thereof |
| 05/10/1994 | US5310629 Silver recovery element and method |
| 05/10/1994 | US5310488 Water treatment method |
| 05/10/1994 | US5310486 Multi-stage water treatment system and method for operating the same |
| 05/10/1994 | US5310485 Process for dissolved gas flotation in anaerobic wastewater treatment |
| 05/10/1994 | US5310484 Preaeration treatment of volatile wastewater components |
| 05/10/1994 | US5310465 Electrodialytic oxydation-reduction of metals |
| 05/10/1994 | US5310459 Apparatus and method for deinking waste paper pulp |
| 05/10/1994 | CA1329378C Decomposition of volatile organic halogenated compounds contained in gases and aqueous solutions |
| 05/10/1994 | CA1329351C Microbiocidal combinations of materials and their use |
| 05/05/1994 | DE4336388A1 Liq. esp. water treatment device - has magnetic field-forming plates forming tortuous flow path |
| 05/05/1994 | DE4237288A1 Thermal disposal of hazardous waste - esp. medical, laundry and chemcial cleaning waste, using pyrolysis combustion furnace |
| 05/05/1994 | DE4236959A1 Mains water heating and legionella destruction appts. - has storage water heater connected to circulating water circuit |
| 05/05/1994 | DE4236815A1 Removing radioactive contaminants from atomic power plant |
| 05/05/1994 | DE4236756A1 Sepn of solids from sludge - uses controlled feed of flocking polymers according to measurement of cloudiness |
| 05/05/1994 | DE4236530A1 Super-satd. acid aq. solns. as coagulant for coatings - comprising aluminium tri:formate, alkali(ne earth) formate(s) and stabiliser |
| 05/04/1994 | EP0595789A1 Process for detoxifying cyanides containing aqueous solutions |
| 05/04/1994 | EP0595441A1 Composition and method for dehalogenation and degradation of halogenated organic contaminants |
| 05/04/1994 | EP0595178A1 Device for electrolytic waste water treatment |
| 05/04/1994 | EP0595156A1 Process for oil field water clarification using cationic dispersion polymers |
| 05/04/1994 | EP0594806A1 Composition and method for scavenging oxygen |
| 05/04/1994 | EP0594800A1 Device for removing purified water from circular settling tanks. |
| 05/04/1994 | EP0594566A1 High pulsed voltage systems for extending the shelf life of pumpable food products |
| 05/04/1994 | CN2163809Y Sterilizing and purifying softener for strong magnetic water |
| 05/04/1994 | CN2163808Y Full-automatic sodium iron exchanger with multi-functional plane integrated gate |
| 05/04/1994 | CN2163807Y High-efficient sewage-purifying device |
| 05/04/1994 | CN2163806Y Glass vacuum tube solar seawater desalination device |
| 05/04/1994 | CN2163585Y Filter, mineralization and magnetic drinking glass |
| 05/04/1994 | CN1086195A High-efficiency water-purifying agent production method and its product polysulphide aluminium ferric chloride |
| 05/04/1994 | CN1086151A Distilling machine of distilled water |
| 05/04/1994 | CN1086148A Electromagnetic device for stimulating organism |
| 05/03/1994 | US5308507 Method and apparatus for removing organic contaminants |
| 05/03/1994 | US5308505 Method for killing barnacle larvae in water |
| 05/03/1994 | US5308502 Method for waste treatment of organic strippers containing metals |
| 05/03/1994 | US5308500 Removal from industrial wastewaters of metals that form sparingly soluble sulfides |
| 05/03/1994 | US5308499 Effluent treatment |
| 05/03/1994 | US5308497 Using a sorbent of crosslinked phenolic resin and fibrous material containing cellulose and polyester |
| 05/03/1994 | US5308492 Water treatment with membranes |
| 05/03/1994 | US5308490 Sewage delivery for an activated sludge process |
| 05/03/1994 | US5308482 Portable water-purifying devices |
| 05/03/1994 | US5308480 Apparatus for removal of solid, chemical and bacterial waste from water |
| 05/03/1994 | US5308478 Prevention of bacterial growth in water treatment systems |
| 05/03/1994 | US5308467 Electrically regenerable demineralizing apparatus |
| 05/03/1994 | US5308466 Electrodeionization apparatus |
| 05/03/1994 | US5308454 Degradation of chlorinated hydrocarbons, reaction of methane to form methanol |
| 05/03/1994 | US5308390 Ink composition and method of making and using such composition |
| 05/03/1994 | US5308193 Preventative maintenance system for underwater pipes |
| 04/28/1994 | WO1994009188A1 Process for treating a surface of an article |
| 04/28/1994 | WO1994008972A1 Oligomeric heterocyclic salts and their use as antimicrobial agents in swimming pools and spas |
| 04/28/1994 | WO1994008907A1 Process for intensification of fermentations |
| 04/28/1994 | WO1994008905A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 04/28/1994 | WO1994008904A1 Antifouling coating composition and method |
| 04/28/1994 | WO1994008903A1 Preventing fouling of submersible pumps and similar equipment |
| 04/28/1994 | WO1994008902A1 Process for separating a hydrophobic liquid from a liquid contaminated therewith |
| 04/28/1994 | WO1994008720A1 Method for recovering particulate and scavenging formaldehyde |
| 04/28/1994 | DE4335996A1 Cleaning lightly soiled water supplies - using reaction agent and coagulant together with compressed air to separate impurities with bubbles for removal |
| 04/28/1994 | DE4334945A1 Ultra pure water prodn - by distilling water with oxidising agent or reagent to destroy organic matter together with ultra violet light |
| 04/28/1994 | DE4239637C1 Ammonium cpd. removal from waste water - esp. biological sludge filtrate waste water, by steam stripping |
| 04/28/1994 | DE4236723C1 Electro-flotation appts. for waste water treatment - allows simple replacement of consumable electrodes |
| 04/28/1994 | CA2147253A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 04/28/1994 | CA2147143A1 Process for separating a hydrophobic liquid contaminated therewith |
| 04/28/1994 | CA2146256A1 Inhibition of microbial growth in swimming pools and spas |
| 04/28/1994 | CA2106013A1 Conservation of orthophosphate waste |