| Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150) |
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| 06/08/1993 | US5217619 Liquid-solid extraction apparatus and method of using same |
| 06/08/1993 | US5217612 Anionic exchange cells for determination of acid used in metal coating process |
| 06/06/1993 | CA2084382A1 Crosslinked polyester amide membranes and their use for organic separations |
| 06/03/1993 | DE4139391A1 Verfahren zum entlacken A method for remove paint |
| 06/01/1993 | US5215665 Purification of hydrogen peroxide |
| 05/27/1993 | WO1993010035A1 Compact water purification and beverage dispensing apparatus |
| 05/27/1993 | WO1993009865A1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like |
| 05/27/1993 | DE4236713A1 Photochemical recovery - using membrane filter for high flow rates and low concns. and second membrane with low flow at high concn. with return of retained matter to collection tank |
| 05/26/1993 | EP0543575A2 Membrane separation method |
| 05/26/1993 | EP0543574A2 Membrane separation process |
| 05/26/1993 | EP0543492A1 Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 05/25/1993 | CA1318209C Detersive system with an improved hardness ion complexing agent |
| 05/19/1993 | CN2133354Y Water purifying unit |
| 05/19/1993 | CA2073420A1 Membrane separation process |
| 05/19/1993 | CA2073379A1 Membrane separation method |
| 05/18/1993 | US5211850 Plasma filter sorbent system for removal of components from blood |
| 05/18/1993 | CA1317891C Process for separating a fluid feed mixture containing hydrocarbon oil and a organic solvent |
| 05/18/1993 | CA1317890C Process for separating a fluid mixture containing hydrocarbons and an organic solvent |
| 05/18/1993 | CA1317889C Control of cleaning of dialysate preparation apparatus |
| 05/18/1993 | CA1317888C System for separating solutions |
| 05/13/1993 | WO1993008904A1 Device and method for separating plasma from a biological fluid |
| 05/13/1993 | WO1993008894A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/13/1993 | CA2121236A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/12/1993 | CN1071897A Method for pretreating feed water by reverse osmosis |
| 05/11/1993 | US5209838 Purification of an oil-containing liquid using a surface treated permeable inorganic membrane |
| 05/05/1993 | EP0540485A1 Device for purifying water |
| 05/05/1993 | EP0539541A1 Biodegradable polymeric compositions based on starch and thermoplastic polymers. |
| 05/05/1993 | CN2131595Y Folded-cylinder-type porous filtering core of spring tube lining |
| 05/05/1993 | CA2074671A1 Device and method for separating plasma from a biological fluid |
| 05/04/1993 | US5208161 Breakable seal; microorganisms in foods |
| 05/04/1993 | US5207917 Recycling and recovery of aqueous cleaner solutions |
| 05/04/1993 | US5207916 Reverse osmosis system |
| 05/04/1993 | US5207902 Method for separating a liquid mixture |
| 05/04/1993 | US5207879 Electrodialysis |
| 04/29/1993 | WO1993008257A1 Process for removing alcohol from liquids |
| 04/29/1993 | WO1993007957A1 Apparatus for exchanging substances |
| 04/29/1993 | WO1993007955A1 Electrodialytic water splitting process for removing so2 from gases |
| 04/28/1993 | EP0539280A1 Process for at least partial dehydration at an aqueous composition and device for carrying out the same |
| 04/28/1993 | EP0539069A2 Faucet with microbial filter |
| 04/28/1993 | EP0367774B1 Reverse osmosis apparatus |
| 04/27/1993 | US5205937 Recovery and reuse of water-based cleaners |
| 04/22/1993 | DE4133974A1 Filtration system to separate undissolved materials - for continual on=line sampling esp. water effluent has multilayered woven fabric filter |
| 04/21/1993 | EP0537929A1 Membrane and method of separation |
| 04/21/1993 | EP0537694A1 Process for treating effluent from flue-gas desulfurization system and apparatus thereof |
| 04/21/1993 | EP0525113A4 Porous polybenzoxazole and polybenzothiazole membranes |
| 04/21/1993 | CN1071099A Recovery of aprotic polar solvent from their saline solution |
| 04/20/1993 | US5204003 Isotopes and other gaseous molecules; solute with repulsive or attractive behavior to solvent, and medium which admits solvent |
| 04/20/1993 | US5203976 Flowing slurry into compartments where particles are retained by screens |
| 04/20/1993 | US5203969 Method of separating and recovering components of mixtures via pervaporization |
| 04/20/1993 | US5203803 Reverse osmosis water purifier booster pump system |
| 04/20/1993 | CA1316578C Electronic controller for a water purifying unit |
| 04/16/1993 | WO1993007766A1 Sugar separation from juices |
| 04/16/1993 | CA2097318A1 Sugar separation from juices |
| 04/15/1993 | WO1993006917A1 Microfiltration of zeolites |
| 04/15/1993 | DE4212196A1 Low emission waste free treatment of agricultural by prods. - by continuous prodn. including solids sepn. filtration and reverse osmosis, with recycling of water |
| 04/15/1993 | DE4212187C1 Continuous fermentation to produce e.g. acetone@, methanol etc. esp. acetic acid - where substrate addn. is controlled in 1st fermentation unit and material is introduced in 2nd unit, to form prod. which is then micro- and/or ultra-filtered |
| 04/14/1993 | EP0536994A2 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 04/14/1993 | EP0536648A1 Process for the recovery of overspray from water-coatings during spraycoating in spray booths |
| 04/14/1993 | EP0536297A1 Process and apparatus for removal of dna and viruses |
| 04/14/1993 | CN1070836A Electrostatic quast liquid membrane efficient concentration flow path |
| 04/13/1993 | US5202445 Preparation of potassium magnesium l-ascorbate 2-phosphate |
| 04/13/1993 | US5201348 Evacuating apparatus for a microtitration diaphragm plate |
| 04/11/1993 | WO1993007433A1 Process for improving heat and mass transfers to and/or through a wall |
| 04/11/1993 | CA2098106A1 Process for improving heat and mass transfers to and/or through a wall |
| 04/08/1993 | CA2073399A1 Membrane and method of separation |
| 04/07/1993 | EP0536021A1 Recovery of aprotic polar solvents from saline aqueous solutions thereof |
| 04/07/1993 | EP0535607A2 System for purifying and degasifying water by reverse osmosis |
| 04/07/1993 | EP0516686A4 Separation by carrier mediated transport |
| 04/07/1993 | EP0338004B1 Polymer with betaine structure, solution diffusion membrane, process for their manufacture and use |
| 04/06/1993 | US5200073 Polymeric film filter assembly |
| 04/06/1993 | US5200046 Ionization, water splitting, multicompartment cell, ion selective membranes |
| 04/06/1993 | CA2079693A1 A method of recovering the oversray from aqueous coating agents used in spray booths |
| 04/06/1993 | CA1315706C Transfer membrane apparatus |
| 04/06/1993 | CA1315702C Method of controlling amount of removed water by ultrafiltration and control device for controlling amount of removed water by ultrafiltration in hemodialysis |
| 04/06/1993 | CA1315598C2 Booster pump, particularly for reverse osmosis systems |
| 04/02/1993 | CA2052605A1 Supported pervaporation membrane and module containing arrays of membranes |
| 04/01/1993 | WO1993006045A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | WO1993005870A1 Pump assembly |
| 04/01/1993 | CA2119383A1 Treatment of aqueous media containing organic material |
| 03/31/1993 | EP0534861A1 Cell and industrial apparatus for dewatering by electroosmosis |
| 03/31/1993 | EP0534513A1 Process for treatment of spent sulfuric acid |
| 03/31/1993 | EP0532664A4 Supported chiral liquid membrane for the separation of enantiomers |
| 03/31/1993 | CN1070353A Ultrafiltration process for recovery of polymeric latices from whitewater |
| 03/31/1993 | CN1020181C Apparatus for filtering machining liquid of electroerosion machine |
| 03/30/1993 | US5198119 Semipermeable Membranes |
| 03/30/1993 | US5198117 Method and apparatus for preparing an epoxide by anionic dialysis |
| 03/30/1993 | US5198116 Maintenance of reverse osmosis membranes |
| 03/30/1993 | US5198086 Electrodialysis of salts of weak acids and/or weak bases |
| 03/30/1993 | US5198085 Restoration of alkali hydroxide etchants of aluminum |
| 03/30/1993 | US5198080 Reduction of by-product sodium sulfate in chlorine dioxide production |
| 03/30/1993 | CA1315209C Concentration of solids in a suspension |
| 03/25/1993 | DE4131095A1 Pumpenanordnung Pump assembly |
| 03/25/1993 | CA2078944A1 Self-contained, purified drinking water refrigerator storage apparatus |
| 03/24/1993 | EP0532664A1 Supported chiral liquid membrane for the separation of enantiomers. |
| 03/24/1993 | EP0532535A1 Electrochemical production of acid chlorate solutions. |
| 03/24/1993 | CN1070229A Process for extracting gold and recovering sodium cyanide by emulsifying liquid film method |
| 03/23/1993 | CA1314669C Method of manufacturing an integral asymmetrical membrane |
| 03/18/1993 | WO1993005186A1 Process for the disposal of municipal waste and manufacture of fuel alcohol |
| 03/18/1993 | WO1993004755A1 Method and device for draining-washing, and concentration type filter used therefor |
| 03/17/1993 | EP0531999A1 Method for producing an acid and/or alkali metal hydroxide |