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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01/08/1992 | EP0464325A2 Process for the preparation of L-ornithine salts |
01/08/1992 | EP0464322A1 Automatic plant for the microfiltration of liquids, in particular of wines |
01/08/1992 | EP0464321A1 Automatic system for controlling and optimising of ultrafiltration processes in foodstuffs and/or chemical and/or chemical-pharmaceutical industrial plants and ultrafiltration process utilising such a system |
01/07/1992 | US5078888 Method for processing aqueous fermentation broths |
01/07/1992 | US5078885 Positioning in contact with albumin-dimensioned bottle-neck pore membrane and aqueous adsorbrnt on other side; bilirubin, diazepam |
01/07/1992 | US5078876 Apparatus for multistage purification of water |
01/07/1992 | US5078864 High flow rate reverse osmosis water filtration system for home use |
01/07/1992 | US5078850 Electrodeposition coating system |
01/07/1992 | US5078755 Contacting with permaselective composite membrane of porous support and nonporous synthetic resin |
01/07/1992 | CA2043717A1 Recovery of sodium hydroxide and aluminum hydroxide from etching waste |
01/07/1992 | CA1293928C Thermofiltration of plasma |
01/02/1992 | EP0463988A2 Process for concentrating or separating mixtures of organic compounds |
01/02/1992 | EP0463897A1 Filter membrane support and funnel for filtering liquids for microbiological analysis thereof |
01/02/1992 | EP0463605A1 Method and apparatus having reverse osmosis membrane for concentrating solution |
01/02/1992 | EP0463438A1 Chromic acid manufacture using bipolar membranes |
01/02/1992 | DE4020051A1 Alkali di:chromate and chromic acid prodn. by electrolysis - in multi--compartment cell with bipolar ion exchange membrane to screen anode from chromium cpds. |
01/01/1992 | CN2091859U Seawater desalter |
01/01/1992 | CN2091710U Thin-page type filter |
01/01/1992 | CN1015271B Production of chloric acid |
12/31/1991 | US5076933 Filtration with diethylaminoethyl cellulose filter membrane an d quaternary aminoalkyl salt-coated filters |
12/31/1991 | US5076932 Semipermeabile barrier, evaporation |
12/31/1991 | US5076931 Microfiltration process and apparatus |
12/31/1991 | US5076913 Fluid purifying apparatus and method of purifying fluids |
12/30/1991 | WO1992000132A1 Process and apparatus for removal of dna and viruses |
12/30/1991 | CA2084873A1 Process and apparatus for removal of dna and viruses |
12/28/1991 | CA2052982A1 Reverse osmosis process for recovery of c3-c6 aliphatic hydrocarbon from oil |
12/26/1991 | WO1991019676A1 Reverse osmosis system with cycled pressure intensifiers |
12/26/1991 | WO1991019560A1 Radon removal system |
12/24/1991 | US5075123 Process and apparatus for removing alcohol from beverages |
12/24/1991 | US5075006 Isocyanurate crosslinked polyurethane membranes and their use for the separation of aromatics from non-aromatics |
12/24/1991 | US5075003 Blood cleaning hollow fiber membrane method for cleaning blood, and apparatus therefor |
12/24/1991 | US5075002 Fluid pick-up assembly |
12/24/1991 | US5074989 Concentrating slurry; circulation |
12/24/1991 | US5074986 Electroosmosis techniques for removing materials from soil |
12/22/1991 | CA2019708A1 Process and apparatus for the removal of undesired components from aqueous feedstocks |
12/20/1991 | CA2044719A1 Process for the enrichment or separation of organic substance mixtures |
12/19/1991 | DE4041896C1 Enzymatic synthesis of organic cpds. e.g. for producing cyanohydrin(s) - by feeding reactants and enzyme catalyst to compartment contg. permeable membrane to allow diffusion |
12/17/1991 | US5073268 Oxidation, hydrogen gas, uv rad, ion exchange resins |
12/17/1991 | CA1293127C Dialysate preparation apparatus |
12/15/1991 | WO1991019561A1 Method and apparatus for administration of anticoagulant to red cell suspension output of a blood separator |
12/12/1991 | WO1991018830A1 Electrochemical production of acid chlorate solutions |
12/12/1991 | WO1991018829A1 Process and device for producing volatile hydrides of hydride-forming substances in a sample |
12/11/1991 | EP0460795A1 Liquid purifying device incorporating air pumping means within container lid body |
12/11/1991 | EP0460770A1 Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
12/11/1991 | EP0460339A1 Process & apparatus for the removal of undesired components from aqueous feedstocks |
12/11/1991 | EP0460196A1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes. |
12/11/1991 | EP0460122A1 Process for non-polluting spray painting with a dispersion of oven-drying paint in water. |
12/11/1991 | CN1056826A Facilitated liquid membranes for olefin/paraffin gas separations and related process |
12/10/1991 | US5071561 Ammonia removal from mammalian cell cultures |
12/10/1991 | US5071551 Water purifier |
12/10/1991 | US5071548 Fluid purifying apparatus and method of purifying fluids |
12/10/1991 | CA1292954C Process for the separation of fine catalyst particles from a hydrocarbon charge by filtration through mineral barriers and filtration loop |
12/05/1991 | DE4017709A1 Rapid division of fluid stream - for fluid distribution or sorting of suspended particles, esp. cells |
12/05/1991 | CA2043428A1 Ultrafiltration device and process |
12/04/1991 | EP0459868A1 Process for removing dissolved metals from water |
12/04/1991 | EP0459820A2 Bipolar membrane and method for its production |
12/04/1991 | EP0333807B1 Process and installation for decanting liquids, in particular raw juices |
12/03/1991 | US5069793 Pervaporation; optimum permeate flow throughput |
12/03/1991 | US5069792 Adaptive filter flow control system and method |
12/03/1991 | US5069785 Fluid purifying apparatus and method of purifying fluids |
12/03/1991 | US5069780 Ultrafiltration device and process |
12/03/1991 | US5069766 Viscosity-raising additive in anolyte, catholyte or both solut ions |
11/27/1991 | EP0458598A2 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
11/27/1991 | EP0458389A1 Method for separating organic substances |
11/27/1991 | EP0458241A2 Process and apparatus for separating ammonium from aqueous liquids |
11/27/1991 | EP0457981A1 Multi stage pervaporation process |
11/27/1991 | CN1056441A Process for dehydration of gases and composite permeable membranes therefor |
11/26/1991 | CA2043019A1 Method for separating organic substances |
11/26/1991 | CA2040798A1 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
11/26/1991 | CA1292439C Field-inversion gel electrophoresis |
11/24/1991 | WO1991017816A1 Supported chiral liquid membrane for the separation of enantiomers |
11/24/1991 | CA2083388A1 Support chiral liquid membrane for separation of enantiomers |
11/21/1991 | EP0457676A2 Process for the manufacture of a separator plate for a stack in an exchange device |
11/21/1991 | DE4016192A1 Sterilising filtration of drinks, esp. beer - in membrane unit with pre-heating of beer gives long term stabilisation |
11/21/1991 | DE4015983A1 Pressure holding valve for desalination plant - has combined pulsation damping and pressure regulating choke element in simplified appts. |
11/20/1991 | CN1056261A Multifunctional free-electrophoresis technology |
11/19/1991 | US5066504 Controlling the cooling rate and temperature difference between oil and coolant |
11/19/1991 | US5066403 Polytetrafluoroethylene bonded to perflurosulfonic acid polymer |
11/19/1991 | US5066402 Method of changing operating modes in automatic water filtering apparatus using tubular membranes |
11/19/1991 | US5066398 Porous Layer Of Inorganic Material And A Separating Layer Of Polyphosphazene |
11/19/1991 | US5066375 Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack |
11/19/1991 | US5065791 Fluid purifying apparatus and method of purifying fluids |
11/19/1991 | CA1292222C Separation and purification of pigment suspensions and suspensions of pigment intermediates by a membrane separation process |
11/19/1991 | CA1292170C Element having a porous wall |
11/14/1991 | WO1991016924A1 Enhancing the association of exogenous peptides with class i mhc molecules on immune system cells |
11/14/1991 | WO1991014706A3 Lectin affinity membranes and methods for using them |
11/14/1991 | DE4114611A1 Microporous membrane element for multiple filtration unit - for slot or dot blotting analyses is compacted in seal area to avoid cross-contamination |
11/14/1991 | DE4015336A1 Device for purifying water by reverse osmosis - has control system to determine when filters need to be serviced and the reverse osmosis unit needs to be rinsed, thus improving reliability |
11/13/1991 | EP0456050A1 Process for producing chrome yellow and molybdenum orange pigments |
11/12/1991 | US5064674 Hypoallergenic milk products and process of making |
11/12/1991 | US5064538 Dialysis and electrodialysis |
11/12/1991 | US5064529 Apparatus for testing membrane filters |
11/12/1991 | US5064097 Compact water purification and beverage dispensing apparatus |
11/11/1991 | WO1991016968A1 Membrane for isolating virus from solution |
11/08/1991 | CA2041864A1 Preparation of chrome yellow and molybdate orange pigments |
11/06/1991 | CN1055910A Fluid purifying apparatus and method of purifying fluids |
11/05/1991 | US5062960 Heat exchange |
11/01/1991 | CA2015856A1 Multi stage pervaporation process run at progressively higher vacuum, higher temperature or both at each successive retentate stage |
10/30/1991 | EP0454614A1 A fluid purifying apparatus and method of purifying fluids |
10/29/1991 | US5061374 Reverse osmosis as final filter in ultrapure deionized water system |