| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/14/1998 | CN1169959A Method for treating aqueous media containing organic materials and water hot reacting apparatus |
| 01/14/1998 | CN1169885A Degassing liquids, apparatus and method |
| 01/14/1998 | CN1036976C Overflowed control device for water clarifier |
| 01/14/1998 | CN1036975C Reverse washing method of water processing apparatus using floating filtering material |
| 01/13/1998 | US5708071 Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same |
| 01/13/1998 | US5707993 Biocides |
| 01/13/1998 | US5707915 Photocatalyst sheet and method for producing thereof |
| 01/13/1998 | US5707536 Multicompartment housings with caps and septums |
| 01/13/1998 | US5707534 Use of tabletized ionene polymers in water treatment |
| 01/13/1998 | US5707533 Cationic polymer flocculants |
| 01/13/1998 | US5707532 Resulting from paper recycling, deinking, amino resin and polyamine from epichlorohydrin and dimethylamine |
| 01/13/1998 | US5707528 Water treatment by filtration, polishing, adsorption of organic compounds, treatment with ozone, decomposition of organic compounds, circulation of water |
| 01/13/1998 | US5707527 Apparatus and method for treating storm water runoff |
| 01/13/1998 | US5707514 Water treating method and apparatus treating waste water by using ion exchange resin |
| 01/13/1998 | US5707508 Apparatus and method for oxidizing organic materials |
| 01/13/1998 | US5707086 Tubing connectors and parts for receiving the connectors |
| 01/08/1998 | WO1998000453A1 Polyamide compositions for removal of polyphenols from liquids |
| 01/08/1998 | WO1998000369A1 Methods and compositions for controlling biofouling using combinations of an ionene polymer and a salt of dodecylamine |
| 01/08/1998 | WO1998000368A1 Methods for sanitizing water |
| 01/08/1998 | DE19726499A1 Verfahren zur Entfernung von restlichem Wasser aus einem Behälter, der ein Ionenaustauscherharz enthält und Vorrichtung zum Ausführen des Verfahrens A process for removing residual water from a container which contains an ion exchange resin and apparatus for carrying out the method |
| 01/08/1998 | DE19626657A1 Simple, almost quantitative removal of acid dye from waste liquor without contamination |
| 01/08/1998 | DE19626640A1 Production of pure or drinking water from contaminated water |
| 01/08/1998 | DE19625328A1 Sewage treatment system |
| 01/08/1998 | DE19624982A1 Use of humic acid or derivatives in purifying waste water, exhaust gas etc |
| 01/08/1998 | DE19624705A1 Dendrimere auf Saccharid-Basis Saccharide-based dendrimers |
| 01/08/1998 | CA2259382A1 Methods for sanitizing water |
| 01/08/1998 | CA2258994A1 Polyamide compositions for removal of polyphenols from liquids |
| 01/07/1998 | EP0816294A2 Process for destroying oxidizing substances in aqueous liquids |
| 01/07/1998 | EP0815961A2 Method for treating process water from a bottle cleaning machine |
| 01/07/1998 | EP0815933A1 Apparatus for the catalytic removal of oxygen from liquids |
| 01/07/1998 | EP0815926A1 Method of desalinating saline water and apparatus therefor |
| 01/07/1998 | EP0815058A1 Method and facility for the oxidation processing of effluents in the presence of a heterogeneous catalyst |
| 01/07/1998 | EP0815057A1 Method for recuperating crude oil from spills |
| 01/07/1998 | EP0814908A1 Apparatus for purification of liquids |
| 01/07/1998 | EP0814885A1 Method and apparatus for separating non-soluble particles from a liquid |
| 01/07/1998 | EP0785907A4 Wiper cartridge |
| 01/07/1998 | EP0783460B1 Method of processing an aqueous solution in the amine oxide process |
| 01/07/1998 | EP0725679A4 Photocatalyst-binder compositions |
| 01/07/1998 | EP0724546B1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 01/07/1998 | EP0705112B1 Compositions for deodorising animal excreta, and deodorising method therefor |
| 01/07/1998 | EP0688304B1 Process for biological water purification with integrated buffering |
| 01/07/1998 | CN2272017Y Multi-stage high field magnetic device for treatment of fluid |
| 01/07/1998 | CN2271923Y Cellular water filter |
| 01/07/1998 | CN2271922Y Element of cellular water filter |
| 01/07/1998 | CN1169706A Method and equipment for the purification of a liquid |
| 01/07/1998 | CN1169705A UV fluid treatment device and method |
| 01/06/1998 | US5705690 Urea-surfactant clathrates and their use in bioremediation of hydrocarbon contaminated soils and water |
| 01/06/1998 | US5705468 Glycol, glycol ether or tertiary alcohol |
| 01/06/1998 | US5705269 Modified activated carbon |
| 01/06/1998 | US5705078 Oxidative removal of aqueous cyanide by manganese(IV)-containing oxides |
| 01/06/1998 | US5705076 Purification with filters for oil or nonoil fluids using cloth |
| 01/06/1998 | US5705074 Removal of acidic organic contaminants from refinery waste water |
| 01/06/1998 | US5705073 Papermaking |
| 01/06/1998 | US5705067 Mixing faucet with water purifier |
| 01/06/1998 | US5705066 Apparatus for opening a vessel |
| 01/06/1998 | US5705060 Water treatment, purification |
| 01/06/1998 | US5705050 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions |
| 01/06/1998 | US5705046 Reaction with limestone to form gypsum and coal fly ash, filtration, transferring the filtrate to electrodialyzer for ion exchanging with membranes |
| 01/06/1998 | US5705036 Water distilling apparatus |
| 01/06/1998 | US5704938 Implantable bone lengthening apparatus using a drive gear mechanism |
| 01/06/1998 | CA2103715C Disinfectant for the treatment of water systems |
| 01/06/1998 | CA1339617C Method of separating a higher vapor pressure component and/or particulate matter from a lower vapor pressure component |
| 01/02/1998 | DE19625346A1 Verfahren zur Wasseraufbereitung in einem geschlossenen Kreislauf mit Reaktor Water treatment process in a closed circuit with reactor |
| 12/31/1997 | WO1997050092A1 Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
| 12/31/1997 | WO1997049766A2 Mechanically stable self-inverting water-in-oil polymer emulsions |
| 12/31/1997 | WO1997049639A1 Process for water treatment in a closed circuit with a reactor |
| 12/31/1997 | WO1997049638A1 Method and device for the activation of liquids |
| 12/31/1997 | WO1997049492A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 12/31/1997 | WO1997049473A1 Water treatment device and method |
| 12/31/1997 | WO1997049279A1 Automated closed recirculating aquaculture filtration system |
| 12/31/1997 | CN2271530Y Full antomatic sterilizing purifying drinking water apparatus |
| 12/31/1997 | CN2271529Y Descaling and scale-proof water magnetizer |
| 12/31/1997 | CN2271528Y Operation power driving system of seawater, brackish water desalination and polluted water purifying appts |
| 12/31/1997 | CN2271437Y Appts for preparation of active water for stirring concrete |
| 12/31/1997 | CN2271401Y Mobile sewage purifying apparatus |
| 12/31/1997 | CN1169133A Container for liquid with disperson device |
| 12/31/1997 | CN1168867A Group type integrated water purification equipment |
| 12/31/1997 | CN1168866A Elimination and inhibition of bivalve mollusk attachments |
| 12/31/1997 | CN1168865A Method for treating the waste water from the prodn. of para-aminophenol by catalytic-hydrogenization of nitrobenzene |
| 12/31/1997 | CN1168864A Fresh water collecting apparatus by means of temp. difference |
| 12/31/1997 | CA2261194A1 Water treatment device and method |
| 12/31/1997 | CA2254881A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 12/30/1997 | US5703131 Method for the detoxification of mustard gas sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 12/30/1997 | US5702684 Method of use of compositions of biocides and fluorescent indicators to control microbial growth |
| 12/30/1997 | US5702615 Using transition metal compound and hydrogen peroxide |
| 12/30/1997 | US5702614 Rotatable chamber containing treatment particles partially submerged in fluid reservoir, having openings at both ends so fluid to be treated can flow freely in and out |
| 12/30/1997 | US5702613 Polymers containing vinylamine/vinylformamide as demulsifiers in oily wastewaters |
| 12/30/1997 | US5702612 Mixing effluent with flotation reagent, dissolving gas into effluent, introducing mixture into flotation cell, promoting release of dissolved gas as bubbles containing material to be recovered |
| 12/30/1997 | US5702609 Water retrieval from aqueous mixture of organic phosphates |
| 12/30/1997 | US5702606 Pressure pulses cause air bubbles to be sheared off dialyzer membrane; backfiltering; removal |
| 12/30/1997 | US5702604 Water purification |
| 12/30/1997 | US5702600 Variable resonance descaling decalcifier device connected to a forced sequential rephasing transformer |
| 12/30/1997 | US5702594 Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 12/30/1997 | US5702587 Desorption of oxidizable organic material from carbon by electrolysis using hydrogen peroxide, a transition metal, and hydroxyl radicals while feeding oxygen containing gas |
| 12/30/1997 | US5702582 Multi-port multi-stream valve apparatus |
| 12/30/1997 | US5702572 Method for treating exhaust gases and foul water |
| 12/30/1997 | CA2136628C Method for aiding microbial degradation of spilled oil |
| 12/30/1997 | CA2091315C Process and apparatus for the purification of water |
| 12/30/1997 | CA2020153C Device for eliminating boiler scale and/or preventing the formation of boiler scale |
| 12/29/1997 | EP0814061A2 Method and apparatus for treating aqueous medium containing organic matter |