| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/25/1997 | CA2249701A1 Water treatment method |
| 09/25/1997 | CA2249433A1 Method for treating selenium-containing wastewater and apparatus for carrying out the method |
| 09/25/1997 | CA2249404A1 Method for hot and supercritical water oxidation of material using specific reactants |
| 09/25/1997 | CA2247184A1 Flocculating or viscosifying compositions and their production and use |
| 09/25/1997 | CA2221927A1 Stabilized alkali or alkaline earth metal hypobromite and process for its production |
| 09/24/1997 | EP0796822A2 Process for purifying water containing organic compounds |
| 09/24/1997 | EP0796228A1 Method of catalytically treating waste water containing organic and inorganic compounds |
| 09/24/1997 | EP0796227A1 Method and device for producing demineralised sterile aqueous phases |
| 09/24/1997 | EP0796224A1 Method for purifying impure aluminium oxide by extraction |
| 09/24/1997 | EP0796114A1 Biofilm avoidance and removal process and composition |
| 09/24/1997 | EP0771230A4 Gas injection into liquid and removal of undissolved gas |
| 09/24/1997 | CN2263102Y Running water sterilized liquid generator |
| 09/24/1997 | CN2263101Y Ozone running water germicidal device |
| 09/24/1997 | CN2263100Y Outside connecting type magnetized water device |
| 09/24/1997 | CN2263099Y Small electric distilled water generator |
| 09/24/1997 | CN1160362A Process for reducing concentration of multivalent cations in aqueous solutions |
| 09/24/1997 | CN1160025A Detachable connecting device for front plate of cold and hot water purifier |
| 09/24/1997 | CN1160021A Selectable continuous water fetch device for water purifier |
| 09/23/1997 | US5670615 Quaternized tertiary aminomethyl acrylamide polymer microemulsions with improved performance |
| 09/23/1997 | US5670550 Ion exchanging |
| 09/23/1997 | US5670543 Skin disorders and aging resistance |
| 09/23/1997 | US5670542 Topical application |
| 09/23/1997 | US5670451 Compositions and methods for controlling the growth of microbials in aqueous media |
| 09/23/1997 | US5670435 Method and composition for clarifying waste water |
| 09/23/1997 | US5670247 Semiconductor, carrier, and microfibrillated microfiber; air and pollution control |
| 09/23/1997 | US5670094 Method of and apparatus for producing ozonized water |
| 09/23/1997 | US5670059 Method and compositions for treating recirculating water systems |
| 09/23/1997 | US5670055 Anionic surfactants for desliming films |
| 09/23/1997 | US5670053 Purification of gases from water using reverse osmosis |
| 09/23/1997 | US5670050 Method for detection of leakage of blood |
| 09/23/1997 | US5670047 Anaerobic treatment process for the rapid hydrolysis and conversion of organic materials to soluble and gaseous components |
| 09/23/1997 | US5670041 Reduced corrosion electronic descaling technology |
| 09/23/1997 | US5670020 Foam separation method for reducing AOX, COD, and color bodies of kraft pulp bleach plant effluents |
| 09/23/1997 | US5669221 Portable, potable water recovery and dispensing apparatus |
| 09/19/1997 | CA2200277A1 A process for cleansing water that contains organic substances |
| 09/18/1997 | WO1997033845A1 Method of rotting compostable material |
| 09/18/1997 | WO1997033839A1 Process and device for sewage treatment |
| 09/18/1997 | WO1997033838A1 Process for the aerobic biological break-down of substances having low water-solubility, and a micro-organism of the strain ihi-91 |
| 09/18/1997 | WO1997033833A1 Ballast water de-toxification treatment system for ships |
| 09/18/1997 | WO1997033831A2 Treatment of waste liquor in a vertical shaft bioreactor |
| 09/18/1997 | WO1997033789A1 Off-shore sewage treating and handling apparatus and method |
| 09/18/1997 | WO1997033676A1 Gray water reclamation system |
| 09/18/1997 | WO1997033631A1 Uv radiation sterilisation system for fluids |
| 09/18/1997 | WO1997003926A3 Biofouling reduction |
| 09/18/1997 | DE19614629A1 Apparatus to generate ozone from gases or fluids |
| 09/18/1997 | DE19610225A1 Process for treating waste containing organic waste |
| 09/18/1997 | DE19610172A1 Wasseraufbereitungsgerät mit Trinkwasserfilter, Regeneriervorrichtung und Verfahren zum Aufbereiten von Trinkwasser Water treatment device with drinking water filters, regenerating and method for producing drinking water |
| 09/18/1997 | DE19609622A1 Preparation of adsorbent materials for removing toxic organic and inorganic compounds from industrial effluent |
| 09/18/1997 | DE19609560A1 Verfahren zur Verrottung kompostierbaren Materials Method for rotting compostable material |
| 09/18/1997 | CA2248706A1 Ballast water de-toxification treatment system for ships |
| 09/17/1997 | EP0795703A1 Rotary disk control valve for a water conditioning system |
| 09/17/1997 | EP0795351A2 Process for the catalytic oxidation of ferrous iron in liquid media |
| 09/17/1997 | EP0794926A1 Flock separating apparatus |
| 09/17/1997 | EP0743926B1 Water treatment method and apparatus |
| 09/17/1997 | EP0706457B1 Process and device for treating washing liquid in printing presses, particularly for offset printing presses |
| 09/17/1997 | EP0697813B1 N-dodecyl heterocyclic compounds useful as industrial microbicides and preservatives |
| 09/17/1997 | EP0632790B1 Method for activation of a digesting agent |
| 09/17/1997 | EP0537143B1 Composition and process for treating water containing metal ions and organic and/or inorganic impurities |
| 09/17/1997 | CN1159768A Dewatering process |
| 09/17/1997 | CN1159741A Antibacterial solid, process for producing the same, and method of utilizing the same |
| 09/17/1997 | CN1159429A Sewage treating method |
| 09/17/1997 | CN1159428A Condensate refining treatment ion exchange resin regeneration system and equipment |
| 09/17/1997 | CN1159427A Single unit prepositioned ion exchange iron-removing and mixing bed dual-purpose equipment |
| 09/17/1997 | CN1159426A Sewage high degree treating device for soil against blocking |
| 09/17/1997 | CN1159425A Clean production technology for manganese carbonate |
| 09/16/1997 | US5668084 Polyhexamethylene biguanide and surfactant composition and method for preventing waterline residue |
| 09/16/1997 | US5667698 Reversible flow supercritical reactor and method for operating same |
| 09/16/1997 | US5667697 Colloidal silica/polyelectrolyte blends for natural water clarification |
| 09/16/1997 | US5667696 Method for treatment and disposal of lead based paint |
| 09/16/1997 | US5667694 Process for the removal of heavy metals from aqueous systems using organoclays |
| 09/16/1997 | US5667690 Process for removing noxious compounds |
| 09/16/1997 | US5667677 Method and apparatus for treating fluid with radio frequency signals |
| 09/16/1997 | CA2093018C Self-cleaning mechanism for oxidation chamber |
| 09/11/1997 | DE19618074A1 Waste liquor treatment to reduce chemical oxygen demand |
| 09/11/1997 | DE19615063C1 Nitrogen recovery from liquid manure or agricultural effluent |
| 09/11/1997 | DE19607390A1 Simple, ecologically compatible sterilisation of water, e.g. cooling tower water |
| 09/11/1997 | CA2193400A1 Process for the catalytic oxidation of ferrous iron in liquid media |
| 09/10/1997 | EP0794157A1 Water treatment by means of electroflotation and electrocoagulation |
| 09/10/1997 | EP0794156A1 Process for the treatment of industrial waste water containing dissolved organic matters, especially starch or cellulose |
| 09/10/1997 | EP0794153A1 Process for the preparation of basic aluminium polychlorosulphates and its use |
| 09/10/1997 | EP0794152A2 Synthetic chalcoalumite compounds and process for producing thereof |
| 09/10/1997 | EP0794003A1 Process for the removal of polycyclic aromatic hydrocarbons from groundwater |
| 09/10/1997 | EP0793994A1 Wet flue gas desulfurization system |
| 09/10/1997 | EP0793993A1 Process for treating waste water of flue gas desulfurization |
| 09/10/1997 | EP0793987A2 A method of removing dispersed oil from an oil in water emulsion employing aerated solutions within a coalescing media |
| 09/10/1997 | EP0793623A1 Multi-channel denitrification system |
| 09/10/1997 | EP0793454A1 Mouth care device |
| 09/10/1997 | EP0589032B1 Process and device for recycling polluted process water |
| 09/10/1997 | CN2262036Y Device for extracting bismuth, removing arsonium and deacidifying from anode mud gold-metallurgy waste liquid |
| 09/10/1997 | CN2262033Y Silicon mineralizing device |
| 09/10/1997 | CN2262032Y Underground powerless treating equipment for hospital waste water |
| 09/10/1997 | CN2262031Y Magnetizing device for flowing cool water |
| 09/10/1997 | CN2262030Y Distilling and separating device for water and salt of sea water |
| 09/10/1997 | CN2261803Y Magnetized water cleaning tools |
| 09/10/1997 | CN1159178A Plant and process for achieving structured water of |
| 09/10/1997 | CN1159177A Water treatment process |
| 09/10/1997 | CN1158986A Water level detecting apparatus of water purifier |
| 09/10/1997 | CN1158824A Continuous water-treating method, equipment and system |
| 09/09/1997 | US5665605 Particle aggregation method and apparatus |
| 09/09/1997 | US5665324 Producing hydroxyapatite |