| 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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| 05/11/1994 | EP0596482A1 Multiwell test apparatus |
| 05/11/1994 | EP0596381A1 Process for the separation of trioxane from aqueous mixture |
| 05/11/1994 | EP0596268A1 Multiple purity membrane process |
| 05/11/1994 | EP0595993A1 Isolation of charged particles from fluids |
| 05/11/1994 | EP0595847A1 Vacuum filter assembly. |
| 05/11/1994 | DE4337830A1 Process to remove cpd. such as halohydrocarbon from liquid medium - applies liquid regeneration agent to adsorber membrane stage |
| 05/11/1994 | DE4237714A1 Crossflow-Anschwemmfiltrationsverfahren und Anlage zur Durchführung dieses Verfahrens Crossflow Anschwemmfiltrationsverfahren and apparatus for carrying out this method |
| 05/11/1994 | DE4237604A1 Ultrafiltration membrane with low tendency to fouling - has a non-porous, hydrophilic separation layer consisting of a polyamide-polyether block copolymer. |
| 05/11/1994 | CN1086550A Recycling of caalyst for synthesizing of formic ether |
| 05/10/1994 | US5310688 Method and apparatus for eluting proteins in affinity membrane process |
| 05/10/1994 | US5310487 Polyimide from butanetetracarboxylic acid |
| 05/10/1994 | US5310486 Multi-stage water treatment system and method for operating the same |
| 05/10/1994 | US5310465 Electrodialytic oxydation-reduction of metals |
| 05/05/1994 | DE4143394C2 Fluid-sample sepn. equipment |
| 05/03/1994 | US5308492 Water treatment with membranes |
| 05/03/1994 | US5308467 Electrically regenerable demineralizing apparatus |
| 05/03/1994 | US5308466 Electrodeionization apparatus |
| 05/03/1994 | US5308455 Electrodialysis; flowing sodium carbonate and withdrawing sodium bicarbonate; decomposition, circulation |
| 04/28/1994 | WO1994008702A1 Implantable and refillable biohybrid artificial pancreas |
| 04/28/1994 | WO1994008684A1 Process for extracting and rebuffering and/or concentrating dissolved macromolecules of a macromolecular mixture |
| 04/28/1994 | CA2147261A1 Implantable and refillable biohybrid artificial pancreas |
| 04/28/1994 | CA2147134A1 Process for extracting and rebuffering and/or concentrating dissolved macro-molecules of a macromolecular mixture |
| 04/26/1994 | US5306428 Method of recovering energy from reverse osmosis waste streams |
| 04/26/1994 | US5306427 Low pressure feed membrane separation process |
| 04/26/1994 | US5306420 Modular device for collecting, incubating, and filtering multiple samples |
| 04/26/1994 | CA1328843C Blood cleaning hollow fiber membrane, method for cleaning blood, and apparatus therefor |
| 04/21/1994 | DE4310365C1 Regenerating aq. etching bath - using electrodialysis cells having cation exchange membranes |
| 04/21/1994 | DE4235125A1 Prodn. of synthesis gas by redn of carbon di-oxide in an electrolytic reaction cell - providing a non-fossil feedstock route to methanol, etc. |
| 04/21/1994 | DE4234728A1 Verfahren für die Gewinnung und die Umpufferung und/oder Einengung von gelösten Makromolekülen eines Makromolekülegemisches Method for the extraction and re-buffering and / or concentration of dissolved macromolecules of a macromolecule mixture |
| 04/20/1994 | EP0593011A1 Process for preparing a composite plasma membrane and their use |
| 04/20/1994 | EP0592988A1 Membrane flow cell battery |
| 04/20/1994 | EP0592883A1 Method of separating alcohols, alcohol/water mixture or water from oxygen containing organic compound |
| 04/20/1994 | EP0592778A2 Plate module and its use for separating fluid mixtures |
| 04/20/1994 | EP0592706A1 Use of cellulose ester blend membranes |
| 04/19/1994 | US5304504 Method of forming a gate overlap LDD structure |
| 04/19/1994 | US5304432 Membrane flow cell battery |
| 04/19/1994 | US5304307 Chargedasymmetric mosaic membrances |
| 04/19/1994 | CA1328625C Purification process |
| 04/14/1994 | WO1994008058A1 Method for hydrometallurgical processing of zincky byproducts |
| 04/14/1994 | WO1994007814A1 Process for separating enantiomers from a racemic mixture |
| 04/14/1994 | WO1994007594A2 Hollow fiber membrane incorporating a polyimide and process for preparing same |
| 04/14/1994 | WO1994007592A1 Pervaporation process employing permeate recycle |
| 04/14/1994 | DE4233719A1 Sepn. of dissolved solids from liquid solns. e.g. for water purification - with addition of liquid, pref. ethanol@ to solids enriched liquid phase to effect precipitation |
| 04/14/1994 | DE4233718A1 Separation of dissolved matter in waste process water and sewage - using membrane separation in reverse osmosis action with precipitation of solids from the fluid phase |
| 04/14/1994 | CA2146553A1 Process for separating enantiomers from a racemic mixture |
| 04/14/1994 | CA2108092A1 Process for separating off alkanols, mixtures of alkanols and water or water itself from oxygen containing organic compounds of higher carbon number |
| 04/14/1994 | CA2107867A1 Membrane flow cell battery |
| 04/13/1994 | EP0592372A2 Transportable reverse osmosis water purification unit |
| 04/12/1994 | US5302290 Method for removing toxic anions from water |
| 04/07/1994 | CA2101804A1 Multiple purity membrane process |
| 04/06/1994 | EP0590769A1 Method for removal of water soluble organics from oil process water |
| 04/06/1994 | EP0590075A1 Process for recovering organics from liquid streams |
| 04/06/1994 | EP0589890A1 Quality optimization process and plant for extracting sugar from drinks. |
| 04/06/1994 | CN2160654Y Automatic reverse osmosis water purifier |
| 04/06/1994 | CN2160457Y Millipore membrane filter |
| 04/05/1994 | US5300229 Process for removing colored components from solvent for polyacrylonitrile |
| 04/05/1994 | US5300228 Method for separating and recovering an acid |
| 04/05/1994 | US5300204 Permeation through double layer ion exchange resin with anion layer on anode side and cationic layer on cathode side; recovering acid from wastes |
| 04/05/1994 | US5300197 Distillation apparatus with porous membrane and heat pump |
| 03/31/1994 | WO1994006548A1 Modules for electrodeionization apparatus |
| 03/31/1994 | WO1994006547A1 Water purification and dispensing system |
| 03/31/1994 | CA2144519A1 Water purification and dispensing system |
| 03/30/1994 | EP0589572A1 Processing of protein-containing body fluids |
| 03/30/1994 | EP0589032A1 Process and device for recycling polluted process water. |
| 03/30/1994 | CN1084493A Method of preparing low-iron barium hydroxide |
| 03/29/1994 | US5298161 Apparatus for cleaning the working liquid of an EDM or ECM machine |
| 03/29/1994 | CA2084578A1 Method for fractionating a fat composition |
| 03/24/1994 | DE4231028A1 Treatment of aq. liq. resulting from metal surface treatment - by passage through the electrode spaces of an electrodialysis unit |
| 03/23/1994 | EP0588778A1 Installation for purification of wash water, especially in vehicle washing installations |
| 03/23/1994 | EP0588149A1 Process for the electrochemical dissociation of alkali sulfates and ammonium sulfate in free alkali and sulfuric acid with simultaneous anodic oxidation of sulfur dioxide |
| 03/23/1994 | CN1084136A Process for the preparation and purificatin of a hydroxylammonium salt solution |
| 03/22/1994 | US5296148 Monitoring dissolved solid concentration |
| 03/22/1994 | US5296139 Diffusion cell with filter screen |
| 03/17/1994 | WO1994005400A1 Desulphurization of flue gases |
| 03/17/1994 | WO1994005394A1 Specification method and apparatus for peptide synthesis and screening |
| 03/16/1994 | EP0587278A2 Spiral wound separation device and method of making same |
| 03/16/1994 | EP0586373A1 Methods of fabricating dual anode, flat panel electrophoretic displays. |
| 03/15/1994 | US5294345 Membrane module assembly |
| 03/15/1994 | US5294316 Regenerated cellulose process |
| 03/15/1994 | CA1327756C Method of making sterile, non-pyrogenic, solutions |
| 03/15/1994 | CA1327693C Process for concentrating aqueous solutions of hydroxylammonium salt |
| 03/09/1994 | EP0586009A1 Process for separating catalysts from organic solutions, by means of semipermeable membranes |
| 03/09/1994 | EP0378684B1 Leucocyte-separating process |
| 03/09/1994 | CN2158299Y Ellipse quide plate for ultrafilter frame |
| 03/09/1994 | CN1083414A Multistage cascade-sweep process for membrane L'Exploitation des procedes georges claude gas separation |
| 03/08/1994 | US5292963 Continuous, polyimide separating membrane |
| 03/08/1994 | US5292547 Ultrafiltration, recycling of paint |
| 03/08/1994 | US5292422 Modules for electrodeionization apparatus |
| 03/08/1994 | US5292421 Using acoustical and electrical fields |
| 03/08/1994 | US5292407 Electrodialysis |
| 03/03/1994 | WO1994004558A1 Method for generating and screening useful peptides |
| 03/03/1994 | WO1993022055A3 Fluid handling in microfabricated analytical devices |
| 03/03/1994 | DE4229061A1 Values and water recovery from aq. process liq. - by membrane distillation giving recyclable concentrate and distillate usuable instead of deionised water |
| 03/03/1994 | DE4228471A1 Rauchgasentschwefelung Flue gas desulfurization |
| 03/02/1994 | EP0585180A1 Fixed cycle time ultrafiltration process |
| 03/02/1994 | EP0585036A1 Apparatus for producing ultra-pure water |
| 03/02/1994 | EP0584949A1 Multi membrane element housing |
| 03/02/1994 | EP0584411A1 Separation of organic oxygenates |
| 03/02/1994 | EP0584332A1 Apparatus for collection and transfer of particles and manufacture thereof |
| 03/02/1994 | CN2157819Y Filter diaphragm suction filter |