| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/04/1992 | CN1059174A Electrolytic treatment apparatus |
| 03/04/1992 | CN1059165A Treatment process and equipment for phenol waste water in coal gas station of secondary furnace |
| 03/04/1992 | CN1059133A Catalytic oxidation activated carbon method for treatment of waste water containing cyanogen |
| 03/04/1992 | CN1015704B Sterilizing method used in water containing fungi |
| 03/03/1992 | US5093451 Polysilsesquioxanes |
| 03/03/1992 | US5093413 Acrylamide, Hydroxyalkyl Acrylate or Methacrylate |
| 03/03/1992 | US5093078 Novel polymeric quaternary ammonium trihalides and use of polymeric quaternary ammonium trihalides as microbicides, sanitizers and disinfectants |
| 03/03/1992 | US5093012 Filtration of particulates through diatomaceous earth and adsorption of organic contaminants by carbon |
| 03/03/1992 | US5093009 Process for purifying water using a polymer flocculating agent |
| 03/03/1992 | US5093008 Process and apparatus for recovering reuseable water form waste drilling fluid |
| 03/03/1992 | US5093007 Process for removal of inorganic and cyanide contaminants from wastewater |
| 03/03/1992 | US5093006 Liquid separator |
| 03/03/1992 | US5092999 Filtering means |
| 03/03/1992 | US5092998 Device for treating oil sludge and oil-containing waste water |
| 03/03/1992 | US5092993 Fluid filter having enhanced adaptability to environmental conditions |
| 03/03/1992 | US5092990 Filter device |
| 03/03/1992 | US5092989 Sheath fluid filtering in a closed-cycle flow cytometer system |
| 03/03/1992 | US5092563 Apparatus for recovery of heavy metals from highly concentrated wastewater solutions |
| 03/01/1992 | WO1992004278A1 Method for preparing basic aluminum chlorosulfate |
| 03/01/1992 | CA2090413A1 Method for preparing basic aluminum chlorosulfate |
| 03/01/1992 | CA2045436A1 Gas sparged centrifugal separation and/or mixing |
| 02/28/1992 | WO1992003218A1 Aeration of liquids |
| 02/28/1992 | EP0638050A4 Improvements in filtration. |
| 02/28/1992 | CA2090619A1 Aeration of liquids |
| 02/27/1992 | DE4026831A1 Catalytic oxidn. of organic components in waste water at low temp. - using hydrogen peroxide and ferric salt in presence of titanium di:oxide |
| 02/27/1992 | DE4026634A1 Device for cleaning water - consists of jug with inner filter cartridge, lid is attached to handle by hinge so proper closing of lid is facilitated |
| 02/27/1992 | DE4026357A1 Mobile process and appts. for removing metals from solids - or aq. suspensions or liq(s) comprising units connected together |
| 02/26/1992 | EP0472352A1 Sludge treatment |
| 02/26/1992 | EP0472311A2 Bacterial inhibiting compositions and their use |
| 02/26/1992 | EP0472276A2 Hot loop water supply apparatus |
| 02/26/1992 | EP0472124A1 Catalytic oxidation of wastewater |
| 02/26/1992 | EP0472075A2 Process for the preparation of polysaccharides |
| 02/26/1992 | EP0471784A1 Method and composition for treating waste water. |
| 02/26/1992 | EP0471772A1 Water purification process |
| 02/26/1992 | EP0471720A1 Water repellent fabric containing an absorbing agent for collecting at the water surface non miscible fluid substances. |
| 02/26/1992 | EP0317556B1 Distillation apparatus and method |
| 02/26/1992 | CN2097204U Household device for magnetizing water |
| 02/26/1992 | CN2096933U Ion water cup |
| 02/26/1992 | CN1058947A Healthful water drinker containing chinese medical stone component and its manufacturing |
| 02/25/1992 | US5091491 Water-soluble allylphosphonate copolymers |
| 02/25/1992 | US5091443 Blend od starch-polyacrylate graft copolymer and polyacrylate metal salt |
| 02/25/1992 | US5091152 Apparatus for electrically destroying targeted organisms in fluids |
| 02/25/1992 | US5091108 N,n,n*,n*-tetrasubstituted phenylenediamine |
| 02/25/1992 | US5091093 Process for purifying acrylonitrile effluent |
| 02/25/1992 | US5091085 Portable |
| 02/25/1992 | US5091083 Flotation separation system |
| 02/25/1992 | US5091080 Core enclosed by semipermeable membrane |
| 02/25/1992 | US5091070 Electrodialysis in cell with alternating bipolar and ion exchange membranes |
| 02/25/1992 | CA1296163C Method and apparatus for the treatment of water, especially for the oxygen enrichment of water |
| 02/21/1992 | WO1992003596A1 Electrolytic treatment apparatus |
| 02/21/1992 | CA2089741A1 Electrolytic treatment apparatus |
| 02/21/1992 | CA2047005A1 Polymeric initiator |
| 02/21/1992 | CA2046683A1 Method for absorbing liquids, especially oil |
| 02/21/1992 | CA2044456A1 Synthesis of tagged polymers by post-polymerization (trans) amidation reaction |
| 02/20/1992 | WO1992002463A1 Method and apparatus for separating ions from liquids |
| 02/20/1992 | WO1992002462A1 Method and apparatus for electrolytic treatment of liquids, especially waste waters |
| 02/20/1992 | WO1992002293A1 Filtration cleaning system |
| 02/20/1992 | DE4126619A1 Device for continuous thermal sterilisation of liquids - uses steam ejector to deliver liq. into heating and cooling system, reducing risk of leakage of dangerous organisms |
| 02/20/1992 | DE4121971A1 Disposal of contaminated liquids - comprises thickening liq.-solid mixt. then drying in fluidised bed dryer to produce granular material suitable for dumping |
| 02/20/1992 | DE4036348C1 Waste water treatment with improved efficiency - by mechanically cleaning and biologically treating before absorbing residual particles using e.g. active carbon |
| 02/20/1992 | DE4025778A1 Removing phosphate and organic phosphorus from waste water - by pptn. with alkaline stabilised alumina soln. obtd. by dissolving pptd. aluminium oxide or hydroxide in soln. of alkali |
| 02/20/1992 | DE4025606A1 Combined water treatment filter element - with granular filter bed contg. silver to bind carbon di:oxide and inhibit germ growth and fired ceramic filter candle for germ removal |
| 02/19/1992 | EP0471597A1 Composition comprising a polysaccharide obtained by microbial fermentation |
| 02/19/1992 | EP0471481A2 Bacterial inhibiting compositions and their use |
| 02/19/1992 | EP0471480A1 Wastewater treatment |
| 02/19/1992 | EP0471408A1 Method for recovering proteins using xanthan gum |
| 02/19/1992 | EP0318483B1 Method and apparatus for electrolytic treatment of liquids, especially waste water |
| 02/19/1992 | CN2096561U Magnetic water pump |
| 02/19/1992 | CN2096560U Magnetic bottle |
| 02/19/1992 | CN2096559U Sewage purifing apparatus for bacterial poisonous |
| 02/19/1992 | CN2096292U Multipurpose stainless steel net-form type magnetizing cup |
| 02/19/1992 | CN1058763A Compound coagulant and its making method |
| 02/18/1992 | WO1992003839A1 Particle accelerator transmission window configurations, cooling and materials processing |
| 02/18/1992 | WO1992003384A1 Apparatus for magnetically treating flowing liquids |
| 02/18/1992 | US5089470 Compositions containing poly (γ-glutamylcysteinyl)glycines |
| 02/18/1992 | US5089275 For swimming pools, hot tubs, cooling systems; solid matrix with calcium sulfate as setting agent |
| 02/18/1992 | US5089145 Water treatment apparatus and method |
| 02/18/1992 | US5089142 Methods for dewatering coal and mineral concentrates |
| 02/18/1992 | US5089141 Chemical process for removing selenium from water |
| 02/18/1992 | US5089140 Comprehensive water treatment system |
| 02/18/1992 | US5089128 Stacked magnetic plates |
| 02/18/1992 | US5089127 Water treatment |
| 02/18/1992 | US5089120 Treatment vessel for bodies of water with laterally adjustable pontoons |
| 02/18/1992 | US5089102 Removal of salts by electrodialysis |
| 02/18/1992 | US5088974 Process for facilitating removal of classified powders |
| 02/18/1992 | CA2092089A1 Apparatus for magnetically treating flowing liquids |
| 02/18/1992 | CA2089643A1 Particle accelerator transmission window configurations, cooling and materials processing |
| 02/17/1992 | WO1992003166A1 Methods for control and mitigation of molluscs |
| 02/17/1992 | CA2089555A1 Methods for control and mitigation of molluscs |
| 02/17/1992 | CA2023383A1 Siphon gravity classifier and clarifier |
| 02/14/1992 | CA2048936A1 Biocidal compositions and use thereof |
| 02/14/1992 | CA2045379A1 Wastewater treatment using magnesium silicate |
| 02/13/1992 | DE4100068C1 Biological removal of heavy metals from water - using crushed white cabbage slurry acidified with acid to pH 6 |
| 02/12/1992 | EP0470931A2 Soil and waste water treatment |
| 02/12/1992 | EP0470841A2 Method of and apparatus for producing sterilized water |
| 02/12/1992 | EP0470761A1 Electrolytic ozone generation |
| 02/12/1992 | EP0470670A1 Removing H2S from a sour gaseous stream |
| 02/12/1992 | EP0470662A1 Process for the fine purification of an aqueous sodium chloride solution for membrane electrolysis |
| 02/12/1992 | EP0470518A1 Device for carrying out photochemical reactions |
| 02/12/1992 | EP0470070A1 A submerged electrolytic cell pool purifier. |