| 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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| 02/28/1990 | EP0356177A1 Spiral module fluid treatment device |
| 02/28/1990 | EP0356081A1 Method for reducing the cloud point of materials using an ultrafiltration separation process |
| 02/28/1990 | EP0355633A1 Device for the treatment of the machining liquid of an electroerosion machine |
| 02/28/1990 | EP0355632A1 Method for the treatment of the machining liquid of an electroerosion machine |
| 02/28/1990 | EP0355631A1 Device for the treatment of the machining liquid of an electroerosion machine |
| 02/27/1990 | US4904412 Emulsion-forming composition |
| 02/27/1990 | US4904394 Method for selective filtering of a fluid using porous piezoelectric material |
| 02/27/1990 | US4904389 Process for the separation of dicarboxylic acids |
| 02/27/1990 | US4904235 Dialysis bag holding device |
| 02/27/1990 | CA1266217A1 Silicone-alkylene oxide copolymers as foam control agents in ultrafiltration processes |
| 02/20/1990 | US4902481 Multi-well filtration test apparatus |
| 02/20/1990 | US4902418 Element having a porous wall |
| 02/15/1990 | DE3926634A1 Multi-cell electrodialysis appts. - esp. for organic acid recovery from salt |
| 02/14/1990 | EP0354797A2 Degassing device |
| 02/13/1990 | US4900448 Concentration gradient across a transfer medium of organic fibers |
| 02/13/1990 | US4900440 Dynamic pressure filter |
| 02/13/1990 | US4900402 Pervaporation process of separating a liquid mixture |
| 02/08/1990 | WO1990000928A1 Sea water distillation device |
| 02/07/1990 | EP0353422A1 Process and apparatus for filtration |
| 02/07/1990 | EP0177564B1 Method and apparatus for filtration |
| 02/06/1990 | US4898674 Solvent dewaxing process |
| 02/06/1990 | US4898667 Point-of-use membrane filtration system |
| 01/31/1990 | EP0353025A2 Sliding test device for assays |
| 01/31/1990 | EP0352779A2 Mobile potable water production device |
| 01/31/1990 | EP0352540A2 Closure cap for dialysers |
| 01/31/1990 | EP0352286A1 Improvements relating to separation of charged molecules. |
| 01/30/1990 | US4897199 Adsorption on an inorganic substrate; combustion to carbon dioxide and water |
| 01/30/1990 | US4897193 Quantitative separation; immunoassays |
| 01/30/1990 | US4897185 Cell processing apparatus and method |
| 01/30/1990 | US4897184 Fluid flow apparatus control and monitoring |
| 01/30/1990 | US4897091 Membrane process for separating gases from gas-liquid charge streams |
| 01/30/1990 | US4896783 Container and cap assembly |
| 01/24/1990 | EP0352219A2 Pretreatment of industrial waste water in a biological purification process |
| 01/24/1990 | EP0351879A1 Salt water distillation apparatus |
| 01/24/1990 | CN1038943A Equipment for recovering and concentrating oil in water |
| 01/23/1990 | US4895989 Reuse after separation of water and alcohol |
| 01/23/1990 | US4895706 Multi-well filter strip and composite assemblies |
| 01/23/1990 | US4895659 Method for metal and cyanide recovery from plating baths and rinse waters |
| 01/23/1990 | US4895649 Apparatus for processing coolant |
| 01/23/1990 | CA1264678A1 Portable water purification system |
| 01/23/1990 | CA1264668A1 Extrusion techniques for producing liposomes |
| 01/17/1990 | EP0351363A1 Filtration process, use of stabilization aids, plant for a filtration process and process for running this plant |
| 01/16/1990 | US4894172 Process for programming of field-flow franctionation |
| 01/16/1990 | US4894163 Evaporation, membranes |
| 01/16/1990 | CA1264403A1 Process for preparing cellulose pulp from lignocellulosic material while removing high molecular weight substances from the pulping liquor |
| 01/11/1990 | WO1990000155A1 Ultra-pure water supply piping arrangement apparatus |
| 01/11/1990 | WO1990000069A1 Apparatus and method for the autotransfusion of blood |
| 01/09/1990 | US4892660 Semipermeable membrane, polysulfones |
| 01/03/1990 | EP0349204A2 Use and regeneration of reagents using coupled reactions and permselective barriers |
| 01/02/1990 | US4891137 Method and apparatus for membrane extraction of hydrolysis contaminates |
| 12/28/1989 | WO1989012676A1 Culture device and method |
| 12/28/1989 | WO1989012644A1 Endotoxin binding protein and uses thereof |
| 12/27/1989 | EP0348004A2 Method of refining glyceride oils |
| 12/26/1989 | USRE33135 Pump apparatus |
| 12/26/1989 | US4889921 Solvent extraction |
| 12/26/1989 | US4889633 Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids |
| 12/26/1989 | US4889626 Purification |
| 12/26/1989 | US4889541 Separation of gases |
| 12/20/1989 | EP0347297A2 Control valve for reverse osmosis water purification unit |
| 12/20/1989 | EP0347016A2 Electrodialysis apparatus for the chemical maintenance of electroless copper plating baths |
| 12/20/1989 | EP0346983A2 A process for the fermentative preparation of organic acids |
| 12/20/1989 | EP0346739A2 Method for separating a liquid component from a solution containing two or more liquid components |
| 12/20/1989 | EP0346502A1 Electrodeionization method and apparatus |
| 12/20/1989 | EP0346426A1 Process for separating the dissolved and undissolved constituents of milk |
| 12/19/1989 | US4888115 Cross-flow filtration |
| 12/19/1989 | CA1263903A1 Hollow fiber for dialysis and method for manufacture thereof |
| 12/14/1989 | WO1989011899A1 Tandem hollow fiber cell culture product harvest system |
| 12/14/1989 | WO1989009641A3 Multistep method for separating organic compounds from a solution |
| 12/14/1989 | DE3818985A1 Arrangement for cross-flow electrodialysis |
| 12/13/1989 | CN1006067B Process of the preparation of crystalline glutamic acid and sult thereof |
| 12/12/1989 | US4886889 Process for recovery of an amino acid from aqueous mixtures thereof |
| 12/12/1989 | US4886604 Structure with membranes having continuous pores |
| 12/12/1989 | US4886603 Method and apparatus for water decontamination |
| 12/12/1989 | US4886602 Controlling permeate pressure |
| 12/12/1989 | US4886598 Liquid membrane coated ion-exchange column solids |
| 12/07/1989 | DE3819139A1 Process for the production of beverages having a reduced alcohol content from normally fermented beverages |
| 12/07/1989 | DE3818437A1 Filter battery |
| 12/06/1989 | EP0344760A2 Recovery and concentration of aqueous acids and bases |
| 12/06/1989 | EP0344188A1 Process for the recovery of alcohols using an organic acid-modified polymer membrane. |
| 12/05/1989 | US4885247 Recovery and purification of lactate salts from whole fermentation broth by electrodialysis |
| 12/05/1989 | US4885112 Surface active secondary amidoamino acid or salt compounds |
| 12/05/1989 | US4885096 Using rubber copolymer of conjugated dienes and nitriles |
| 12/05/1989 | US4885095 Single reverse osmosis unit with membrane yields concentrates |
| 12/05/1989 | US4885087 Apparatus for mass transfer involving biological/pharmaceutical media |
| 12/05/1989 | US4885085 Direct acting reverse osmosis water purifier valves |
| 12/05/1989 | CA1263539A1 Process for the separation of indium from acidic solutions containing it |
| 11/30/1989 | WO1989011320A1 Hemodialysis method and apparatus with controlled ultrafiltration |
| 11/30/1989 | EP0243404A4 Method for confining a catalyst in multiphase membrane reactor systems. |
| 11/29/1989 | EP0343267A1 Method and apparatus for controlled ultra-filtration during hemodialysis |
| 11/29/1989 | EP0193570B1 Device for separating fluid mixtures |
| 11/29/1989 | EP0165992B1 Filtration method and apparatus |
| 11/28/1989 | US4883597 Hydrophobic membrane for drying gel matrices |
| 11/28/1989 | US4883573 Removal of acid from cathodic electrocoating baths by electrodialysis |
| 11/23/1989 | EP0224538B1 Membrane filtration for analysis |
| 11/21/1989 | US4882277 By passing broth from fermentor through electrodialysis unit and back |
| 11/21/1989 | US4882061 Filter apparatus |
| 11/21/1989 | CA1263072A1 Hemodialysis processes and hemodialysis solutions |
| 11/16/1989 | WO1989010703A1 Process and installation for selective removal of sugar from beverages |
| 11/15/1989 | EP0342110A1 Macrocylic amine complexes for ligand extraction and generation |
| 11/15/1989 | EP0341280A1 Process for removing hazardous substances from water or air. |