| Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729) |
|---|
| 03/17/1992 | US5096724 Methods, compositions, and systems for ligand extraction |
| 03/17/1992 | US5096637 Polyvinylidene fluoride membrane |
| 03/17/1992 | US5096633 Process of making a diaphragm of carbonaceous material |
| 03/17/1992 | US5096586 Membranes having selective permeability |
| 03/17/1992 | US5096585 Process for preparing protein non-adsorptive microporous polysulfone membranes |
| 03/17/1992 | US5096473 Filtration fabric laminates |
| 03/11/1992 | EP0474617A1 Process for surface modifying a support membrane |
| 03/11/1992 | EP0474533A1 Bidimensional organic membranes and process for their preparation |
| 03/11/1992 | EP0474370A1 Composite semipermeable membrane, process of producing the same and method of producing highly pure water using the same |
| 03/11/1992 | EP0474267A2 A porous hollow fiber membrane and a method for the removal of a virus by using the same |
| 03/10/1992 | US5094749 Knurled sheetlike permeable membrane, for production thereof, and body fluid filtering apparatus |
| 03/04/1992 | EP0473459A2 Reverse osmosis membranes of polyamideurethane |
| 03/04/1992 | EP0473290A2 Multilayer reverse osmosis membrane of polyamide-urea |
| 03/01/1992 | WO1992003217A1 Membranes having selective permeability |
| 03/01/1992 | CA2088485A1 Membranes having selective permeability |
| 03/01/1992 | CA2050127A1 Polymeric membranes |
| 02/25/1992 | US5091216 Reactive post treatment for gas separation membranes |
| 02/25/1992 | US5091086 Permeable, porous polymeric membrane with hydrophilic character, methods for preparing said membranes and their use |
| 02/25/1992 | US5091080 Core enclosed by semipermeable membrane |
| 02/25/1992 | CA1296283C Process for hydrotreatment of liquid phase heavy hydrocarbons, with the presence of a dispersed catalyst |
| 02/25/1992 | CA1296225C Plugged microporous film |
| 02/20/1992 | DE4025768A1 Membranes with integrated drainage prepn. for filtration - by filling pores in flat polyolefin article with liq., coating with soln. of polyamide membrane polymer, and converting layer into membrane |
| 02/18/1992 | US5089299 Composite ceramic micropermeable membrane, process and apparatus for producing such membrane |
| 02/18/1992 | US5089187 Process for producing a semi-permeable membrane by extrusion |
| 02/18/1992 | US5089122 Device for the separation of fluid mixtures |
| 02/17/1992 | CA2023386A1 Reverse osmosis membrane filter module |
| 02/16/1992 | CA2049200A1 Oxygen-separating porous membranes |
| 02/12/1992 | EP0470704A1 Process for dehydration of organic oxygenates |
| 02/12/1992 | EP0470699A1 Membrane process for dewatering lube oil dewaxing solents |
| 02/12/1992 | EP0470377A2 Diaphragm for gas-liquid contact, gas-liquid contact apparatus and process for producing liquid containing gas dissolved therein |
| 02/12/1992 | EP0470340A1 Titania substrates and fabrication |
| 02/11/1992 | US5087367 Hydrolyzed membrane and process for the preparation of the same |
| 02/07/1992 | CA2044814A1 Process for dehydration of organic oxygenates |
| 02/07/1992 | CA2042913A1 Membrane process for dewatering lube oil dewaxing solvents |
| 02/06/1992 | WO1992001506A1 Formation of porous materials |
| 02/05/1992 | EP0469657A1 Multilayer membrane and production thereof |
| 02/04/1992 | US5085778 Process for dehydration of organic oxygenates |
| 02/04/1992 | US5085777 Reverse osmosis membranes of polyamideurethane |
| 02/04/1992 | US5085776 Composite membranes for fluid separations |
| 02/04/1992 | US5085775 Thin film composite ultrafiltration membrane |
| 02/04/1992 | US5085774 Increasing the draw ratio |
| 02/04/1992 | US5085749 Dynamically controlled membrane |
| 02/04/1992 | US5085676 Porous polymeric substrate and polyamide separating layer |
| 02/03/1992 | CA2047782A1 Multilayer membrane and process of manufacturing the same |
| 01/29/1992 | EP0467903A1 Process for the preparation of chlorine-resistant polyester semipermeable membranes. |
| 01/29/1992 | EP0229132B1 Flooded biological film reactor for water treatment, with gas charging via a membrane |
| 01/28/1992 | US5084349 For dialysis, free from contamination through adsorption with microglobulin while minimizing the amount of water removed fro m blood |
| 01/28/1992 | US5084220 Membrane filtration apparatus and method of making a membrane filtration unit |
| 01/28/1992 | US5084182 Method for manufacturing of multilayer reverse osmosis membrane of polyamide-urea |
| 01/28/1992 | US5084179 Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them |
| 01/28/1992 | US5084173 Hydrophilic composite porous membrane, a method of producing the plasma separator |
| 01/28/1992 | CA1294758C System for the extraction and utilization of oxygen and other ligands from fluids |
| 01/28/1992 | CA1294745C Asymmetrical microporous hollow fiber for hemodialysis and a process for manufacturing such fibers |
| 01/23/1992 | WO1992001007A1 Polymerisable porphyrins |
| 01/23/1992 | DE4021052A1 Hollow membrane of acrylonitrile] polymer with inner fine pore layer - having sepn. activity and coarser pore outer layer with pores extending to outer surface |
| 01/22/1992 | EP0467806A1 Porous carbon/carbon composite filter membrane support with a carbon fiber mat substrate and process of manufacturing the same |
| 01/22/1992 | EP0467525A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/22/1992 | EP0426686A4 Multifunctional thrombo-resistant coatings and methods of manufacture |
| 01/21/1992 | US5082565 Semipermeable membrane made from polyether ketones |
| 01/21/1992 | US5082472 Composite membrane for facilitated transport processes |
| 01/17/1992 | CA2042921A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/15/1992 | EP0466515A2 Oxygen scavenger |
| 01/15/1992 | EP0465817A1 Protective materials |
| 01/15/1992 | EP0465649A1 Composite semipermeable membrane and production thereof |
| 01/14/1992 | US5080936 Interphase peptides |
| 01/14/1992 | CA2046852A1 Oxygen scavenger |
| 01/08/1992 | EP0465219A1 Polyfluoroalkyl compounds, their production and uses |
| 01/08/1992 | EP0464718A1 Oxygen-permeable polymeric membranes |
| 01/08/1992 | EP0464717A1 Oxygen-permeable polymeric membranes |
| 01/07/1992 | US5079272 Porous membrane formed from interpenetrating polymer network having hydrophilic surface |
| 01/07/1992 | US5078755 Contacting with permaselective composite membrane of porous support and nonporous synthetic resin |
| 01/02/1992 | EP0215087B1 Cross-flow filtration |
| 01/02/1992 | DE4117391A1 Asbestos-free microporous diaphragms for chlor:alkali cells - made from mixt. of non-modified PTFE and highly functionalised PTFE as hydrophilising agent |
| 01/02/1992 | DE4021051A1 Post-prodn. treatment of hollow-fibre membranes - by two-stage treatment with mixts. of solvent and non-solvent |
| 01/01/1992 | CN2091861U Membrane carrier of oxygen for glass-melting furnace |
| 12/31/1991 | US5076933 Filtration with diethylaminoethyl cellulose filter membrane an d quaternary aminoalkyl salt-coated filters |
| 12/31/1991 | US5076926 Reducing pore size; impregnation, concentration, precipitation ; catalysts supports |
| 12/31/1991 | US5076925 Mixing hydrophobic polymer and hydrophilic polymer dissolving in solvent, coagulating, remorse part of hydrophilic nature of membrane |
| 12/31/1991 | CA2045965A1 Oxygen-permeable polymeric membranes |
| 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 |
| 12/29/1991 | WO1992000137A1 Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them |
| 12/25/1991 | CN2091178U Film filter plate |
| 12/24/1991 | US5075011 Composite semipermeable membrane created by precipitation of emulsion polymers onto base film microporous surfaces |
| 12/24/1991 | US5075003 Blood cleaning hollow fiber membrane method for cleaning blood, and apparatus therefor |
| 12/18/1991 | EP0461607A2 Membrane for separating an organic solvent from a water-organic solvent mixture |
| 12/17/1991 | US5073265 Methods of manufacturing nucleophilic material modified for improved biocompatibility |
| 12/17/1991 | US5073175 Fluorooxidized polymeric membranes for gas separation and process for preparing them |
| 12/12/1991 | WO1991018666A1 Semipermeable composite membrane |
| 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 | EP0460769A1 Semi-permeable composite membrane and process for manufacturing same |
| 12/11/1991 | CN1056826A Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 12/10/1991 | US5071909 Adsorption onto microporous membrane; deposition of polymer; entrapment in crosslinked network with or without bonding |
| 12/10/1991 | US5071554 Polyolefin |
| 12/04/1991 | EP0459893A1 Transparent microperforated material and preparation process |
| 12/04/1991 | EP0458790A1 A method for drying of gases, especially compressed air, a membrane for carrying out said method and a process for the manufacturing of said membrane. |
| 12/03/1991 | US5069945 Ultrapous thin-film membranes |
| 12/02/1991 | CA2043624A1 Transparent microperforated material; fabrication process |
| 11/27/1991 | EP0458598A2 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 11/26/1991 | CA2040798A1 Facilitated liquid membranes for olefin/paraffin gas separations and related process |