| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 05/30/1991 | WO1991007354A1 Water treatment method |
| 05/30/1991 | WO1991007353A1 Process for purifying organically polluted waste water |
| 05/30/1991 | WO1991007352A1 Ferrates of alcaline or alcaline earth metals, their preparation and industrial applications |
| 05/30/1991 | WO1991007209A1 Process and gas burner for cleaning, degassing, disinfecting and/or decontaminating and process for manufacturing the gas burner |
| 05/30/1991 | WO1991007184A1 SUBSTANTIALLY ANHYDROUS COMPLEXES OF PVP and H2O¿2? |
| 05/30/1991 | WO1991007093A1 Process involving sterilization step, product having bacteriocidal activity and process for preparing the same, fumigant, fumigation method, and bacteriocidal gas composition, and process and apparatus for preparing the same |
| 05/30/1991 | CA2045486A1 Processes including germ-destroying step, germicidal products and their preparation method, fumigant and fumigation method, as well as germicidal gas compositions, their preparation method and apparatus therefor |
| 05/29/1991 | WO1991008176A1 Cleaning halogenated contaminants from groundwater |
| 05/29/1991 | EP0429427A1 Method for stabilizing solid purifying agents for noxious gases |
| 05/29/1991 | EP0429365A1 Device for distributing liquid in at least two directions |
| 05/29/1991 | EP0428918A1 Process and device for elimination and recovery of valuable metals, in particular noble metals and mercury, from waste solutions |
| 05/29/1991 | EP0428868A2 Materials for removing suspended impurities |
| 05/29/1991 | EP0428512A1 Ozone generation by corona discharge at elevated pressures. |
| 05/29/1991 | EP0151120B1 Method for removing heavy metals from aqueous solutions by coprecipitation |
| 05/29/1991 | DE3928463A1 Procedure and device for optimising the addn. of flocculants - and flocculation assisting agents to sewage sludge where an iterative testing of sludge samples is used to find the optimal conditions |
| 05/29/1991 | CN2077743U Drinking water purifier |
| 05/29/1991 | CN1051714A Process for comprhensive use of waste liquid from paper mill and phosphate fertilizer factory |
| 05/29/1991 | CN1012690B Generating equipment for desalination of seawater and purification of waste water |
| 05/28/1991 | WO1991008354A1 A mouthpiece for a water tapping point |
| 05/28/1991 | US5019273 Method for recovery of heavy metals from highly concentrated wastewater solutions |
| 05/28/1991 | US5019267 Process for mesophilic or thermophilic aerobico-enzymic conditioning of liquid organic substances and biomass |
| 05/28/1991 | US5019256 Ultraviolet lamp rack assembly |
| 05/28/1991 | US5019254 Filter pad with pocket and method of using the same |
| 05/28/1991 | US5019252 Portable water purifier |
| 05/28/1991 | US5019250 Automatic chemical dispenser |
| 05/28/1991 | US5019237 Metal-ion vapor accelerator cell |
| 05/28/1991 | US5019235 Electrode coated with ion exchange resin |
| 05/28/1991 | US5019173 Cleaning method for water containing vessels and systems |
| 05/28/1991 | US5019135 Method for the catalytic conversion of lignocellulosic materials |
| 05/28/1991 | US5018576 Process for in situ decontamination of subsurface soil and groundwater |
| 05/28/1991 | CA2069427A1 Mouthpiece for a water tapping point |
| 05/23/1991 | DE4036648A1 Use of magnetic or electrostatic vector potentials - for treating materials |
| 05/23/1991 | DE3938130A1 Cysteine (derivs.) for bio-slime control - for use in liq. conveying systems such as pipelines, water treatment plants, pipes for cooling liquids, etc. |
| 05/22/1991 | EP0428255A1 Method for controlling the fouling by molluskes |
| 05/22/1991 | EP0428053A2 Method and composition for controlling overspray in paint spray booths |
| 05/22/1991 | EP0428031A1 Dental apparatus |
| 05/22/1991 | EP0427804A1 Water purifying means |
| 05/21/1991 | US5017351 Air treatment, circulation |
| 05/21/1991 | US5017318 Method of making a water filter |
| 05/21/1991 | US5017295 Pools, industrial water |
| 05/21/1991 | US5017291 Filtration |
| 05/21/1991 | US5017286 Faucet-mounted water filter with wall inlet and annular chamber |
| 05/21/1991 | US5017284 Fluid purifying apparatus and method of purifying fluids |
| 05/21/1991 | US5017274 Method and systems for extracting oxygen employing electrocatalysts |
| 05/21/1991 | CA2030242A1 Apparatus and method for applying information energy to a substrate |
| 05/21/1991 | CA1284256C Method of treatment of circulation water of a paper mill |
| 05/18/1991 | WO1991007222A1 Device for fine foaming |
| 05/18/1991 | CA2045123A1 Fine bubble generating apparatus |
| 05/17/1991 | WO1991007090A1 Combatting slime-forming microorganisms |
| 05/17/1991 | CA2068894A1 Controlling slime-forming microorganisms |
| 05/16/1991 | WO1991006894A1 Plasmon enhanced photo processes |
| 05/16/1991 | WO1991006343A1 A method of removing heavy metals form soil, sludge, compost and similar materials |
| 05/16/1991 | DE3938012A1 Desalination evaporator for sea-water - comprises initial flash evaporator, external heat exchanger and cleaning system |
| 05/16/1991 | DE3937721A1 Softening water for drinking - by addn. of alkaline soln., ultrasound treatment and addn. of flocculant |
| 05/16/1991 | DE3937510A1 Improving flavour of hot drink made with water - and flavouring or aroma, by microwave heating |
| 05/16/1991 | CA2025990A1 Method and composition for controlling overspray in paint spray booths |
| 05/15/1991 | EP0427517A1 N-halogen oxidizer composition and N-halogen oxidizer containing a stable blue pigment |
| 05/15/1991 | EP0427432A2 Apparatus for water treatment |
| 05/15/1991 | EP0427418A1 Bromosulfamate as biocide in nitrite-containing corrosion inhibition |
| 05/15/1991 | EP0427256A1 Method for removing sulfate ions from aqueous solution of alkali metal chloride |
| 05/15/1991 | EP0427241A1 Apparatus for the treatment of liquids by permanent magnets |
| 05/15/1991 | EP0427191A1 Process for removing dissolved oxygen from water and system therefor |
| 05/15/1991 | EP0426933A1 Method and plant for the treatment of leachate from sanitary landfills for municipal solid waste and similar wastes |
| 05/15/1991 | EP0426929A1 A high performance method and evaporator apparatus, particularly for concentrating waste liquids and recovering their raw materials |
| 05/15/1991 | EP0426783A1 Process for manufacturing pelletized materials for use in chemical reactions in industry or agriculture |
| 05/15/1991 | CN2076984U Electronic scale-scouring unit |
| 05/15/1991 | CN2076983U Electromagnetic heat magnetic water device |
| 05/15/1991 | CN2076982U Miniature mineral purifying water unit |
| 05/15/1991 | CN2076981U Electric heat energy-saving health water drinking unit |
| 05/15/1991 | CN2076980U Non-ion purifying mineral water-drinking unit |
| 05/15/1991 | CN2076809U Magnetization water thermos |
| 05/15/1991 | CN1051366A Prepn. of copolymer containing dimethyl-dipropylidene ammonium chloride and acrylamide |
| 05/15/1991 | CN1051337A Method for desalination of electrolyte aqueous solution and electrodialyzer |
| 05/15/1991 | CN1051336A Adsorbent for removing suspended impurities and use thereof |
| 05/15/1991 | CA2006512A1 Water treatment method |
| 05/14/1991 | US5015643 Disinfectant for the treatment of water systems |
| 05/14/1991 | US5015456 Removal of nitrate and/or organic pollutants from effluents |
| 05/14/1991 | US5015448 Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof |
| 05/14/1991 | US5015396 Removal of cyanide from aqueous streams |
| 05/14/1991 | US5015395 Method for controlling zebra mussels using dialkyl diallyl ammonium polymers |
| 05/14/1991 | US5015394 Diffusing ozone in water, discharging, withdrawing water |
| 05/14/1991 | US5015393 Water treatment for accumulation and removal of floating sludge |
| 05/14/1991 | US5015391 Coagulation of oil in water with cationic polymers and sodium silicate |
| 05/14/1991 | US5015384 Anaerobic process, flotation of a biomass, circulation to treat wastes |
| 05/14/1991 | US5015370 Apparatus and method for treating well water |
| 05/14/1991 | US5015354 Bipolar-electrode electrolytic cell |
| 05/14/1991 | CA1284124C Electrolytically coagulating and floating components in used cleaning bath |
| 05/14/1991 | CA1284098C Controlling respiratory disease-causing bacteria in water recirculating systems |
| 05/14/1991 | CA1284015C Synthetic lamellar magnesium phyllosilicate and process for preparation thereof |
| 05/09/1991 | CA2028354A1 Substantially anhydrous complexes of pvp and h o |
| 05/09/1991 | CA2018419A1 Method for controlling macroinvertebrates utilizing decylthioethylamine |
| 05/08/1991 | EP0426489A2 Hydrogen peroxide destroying compositions and methods of using same |
| 05/08/1991 | EP0426216A1 Method for processing residual baths from the photographic and photochemical industries |
| 05/08/1991 | EP0426215A1 Method for purifying flue gases |
| 05/08/1991 | EP0426160A1 Decontamination system |
| 05/08/1991 | EP0425941A1 Apparatus for degasification and heating of water |
| 05/08/1991 | EP0425618A1 Oil arrester |
| 05/08/1991 | EP0425590A1 PROCESS FOR STABILISING THE pH OF AQUEOUS FEED SOLUTIONS AND FOR ABSORBING AND BUFFERING URINE AND WOUND SECRETIONS. |
| 05/08/1991 | EP0425491A1 Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work. |
| 05/08/1991 | EP0305412B1 Treatment of liquids and biological tissues by magnetic induction |