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