| 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) |
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| 09/07/1988 | WO1988006476A1 Methods of making biocompatible nucleophilic material |
| 09/07/1988 | EP0280945A2 Process for making a two-layer membrane |
| 09/07/1988 | EP0280840A1 Methods of preparing biologically active membranes and uses thereof |
| 09/06/1988 | US4769263 Polyalkylene, polysiloxane, polyurethane, or butadiene-styrene copolymer surrounded by filaments |
| 09/06/1988 | US4769148 Novel polyamide reverse osmosis membranes |
| 08/30/1988 | US4767645 Composite membranes useful for the separation of organic compounds of low molecular weight from aqueous inorganic salts containing solutions |
| 08/30/1988 | US4767426 Membrane filter tube and method of preparation |
| 08/30/1988 | US4767422 Repairing defects by post-treatment with volatile solvent and additives |
| 08/30/1988 | CA1241241A1 Method of making membranes for gas separation and the composite membranes |
| 08/23/1988 | US4766161 Interfacial layer of polymer matrix containing a dispersion of a cationic exchange resin having quaternized and nonquaternized amine groups |
| 08/23/1988 | US4766036 Process for producing porous fibers from orientable olefin polymers having cation-containing, pendent reactive side-groups and the resultant product |
| 08/23/1988 | US4765915 Using an aqueous wet-laid lofted composite sheet of heat fusible polymer, reinforcing fibers and binder |
| 08/23/1988 | US4765906 Filter support having two plies connected together at parallel; flexible |
| 08/23/1988 | US4765905 Dialysis |
| 08/23/1988 | US4765898 Semipermeable membranes based on polymers containing sulphonate group |
| 08/17/1988 | EP0278059A2 Process for making a filter |
| 08/11/1988 | WO1988005688A1 Hydrophilic article and method of producing same |
| 08/11/1988 | WO1988005687A1 Microporous asymmetric polyfluorocarbon membranes |
| 08/11/1988 | WO1988005686A1 Microporous asymmetric polyamide membranes |
| 08/10/1988 | EP0277834A2 Stable membranes from sulfonated polyarylethers |
| 08/10/1988 | EP0037836B2 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
| 08/10/1988 | CN88100093A Alkali resistant hyperfiltration membrane |
| 08/09/1988 | US4762619 Method of forming dynamic membrane on stainless steel support |
| 08/09/1988 | US4762535 Ammonia separation using semipermeable membranes |
| 08/02/1988 | US4761234 Crosslinked polyamides for semipermeable membranes |
| 08/02/1988 | US4761233 Novel membranes and process for making them |
| 08/02/1988 | US4761232 Polyethylene, polyvinyl chloride |
| 07/28/1988 | WO1988005475A1 Porous polypropylene membrane and process for its production |
| 07/26/1988 | US4759780 Apparatus for concentrating a gas, especially oxygen, from a gaseous mixture using an ultrathin solid membrane |
| 07/26/1988 | CA1239513A1 Removing n-n bis(2 hydroxyethyl) tallow amine to obtain skinless polypropylene membrane |
| 07/20/1988 | EP0275027A2 Reverse osmosis membranes |
| 07/19/1988 | US4758348 Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same |
| 07/19/1988 | US4758343 Interfacially synthesized reverse osmosis membrane |
| 07/19/1988 | US4758342 Hyperfiltration membranes having separation layers of monomolecular films of surfactants |
| 07/14/1988 | WO1988005062A1 Hydrophilic, porous polyvinylidene fluoride membrane and process for its preparation |
| 07/13/1988 | EP0274387A2 Alkali resistant hyperfiltration membrane |
| 07/12/1988 | US4756932 Process for making highly permeable coated composite hollow fiber membranes |
| 07/12/1988 | US4756835 Permeable membranes having high flux-density and low fouling-propensity |
| 07/12/1988 | US4756821 Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst |
| 07/06/1988 | EP0273724A2 Acid gas scrubbing by composite solvent-swollen membranes |
| 07/05/1988 | US4755299 Delivering liquid mixture to surface of composite membrane of nonporous crosslinked polyvinyl alcohol with porous backing, applying vacuum to or inert gas over other surface to separate |
| 07/05/1988 | CA1238823A1 Composite reverse osmosis membrane having a layer of interfacially polymerized poly-meta-phenylene cyclohexane-1,3,5-tricarboxamide |
| 06/29/1988 | EP0272841A2 Filtration media |
| 06/21/1988 | US4752395 Protein molecules arranged in crystal lattice, for ultrafiltration |
| 06/16/1988 | WO1988004184A1 Particle separation |
| 06/15/1988 | EP0270569A1 Cell detection system and method |
| 06/14/1988 | US4751104 Preparation of gas selective membranes |
| 06/08/1988 | EP0270441A1 production of microporous asymetric membranes by double radiation |
| 06/07/1988 | US4749619 Hollow fibre useful in blood treating processes |
| 06/07/1988 | US4749488 Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide |
| 06/07/1988 | US4749487 Premselective microskin of multivalent ions; desalting molasses or milk whey |
| 06/01/1988 | EP0269213A2 Method and apparatus for forming a package of plural separable fibers, and the package of fibers thus formed |
| 05/31/1988 | US4748288 Process for the separation of solvents from hydrocarbons dissolved in the solvents |
| 05/31/1988 | US4747953 Composite membranes based on interpenetrating polymer networks |
| 05/31/1988 | CA1237260A1 Hollow fiber membrane for dialysis |
| 05/24/1988 | US4746476 Ultrathin polyphenylene oxide polymer films and their preparation |
| 05/24/1988 | US4746475 Ultrathin cellulose ester polymer films and their preparation |
| 05/24/1988 | US4746474 Ultrathin polyimide polymers films and their preparation |
| 05/24/1988 | US4746473 Ultrathin blended cellulose nitrate polymer films and their preparation |
| 05/24/1988 | US4746472 Aromatic polyesters, void free films for drug release |
| 05/24/1988 | US4746333 Method for producing an integral asymmetric gas separating membrane and the resultant membrane |
| 05/18/1988 | EP0142518B1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 05/17/1988 | US4744906 Porous fibers and membranes and methods for their preparation and use |
| 05/17/1988 | US4744807 Method of manufacturing a cellulose acetate membrane and the membrane so produced |
| 05/17/1988 | CA1236663A1 Amorphous aryl substituted polyarylene oxide membranes |
| 05/10/1988 | US4743375 Polyolefin, blood separation |
| 05/10/1988 | US4743189 Spinneret for a co-spun filament within a hollow filament |
| 05/05/1988 | DE3636735A1 Biochemically active matrix and process for its production |
| 05/04/1988 | EP0266204A2 Pressure dependent anisotropic transport membrane system |
| 05/03/1988 | US4741927 Production of cellulose dialysis membrane with improved biocompatibility |
| 05/03/1988 | US4741829 Composite hollow fibers and method of making same |
| 05/03/1988 | US4741744 Nafion" |
| 05/03/1988 | EP0180599A4 High flux membrane. |
| 05/02/1988 | EP0167573A4 Charge modified microporous hollow tubes. |
| 04/27/1988 | EP0264931A2 A membrane for the separation of blood plasma components |
| 04/27/1988 | EP0264594A2 Device for the support of a metallic microfilter foil |
| 04/27/1988 | CN87106270A Production method and relevant glue for the asymmetrical gas separating membrance with gradient density surface layer |
| 04/26/1988 | US4740396 Process for forming film |
| 04/26/1988 | US4740312 Method of regenerating a separation means for a liquid medium containing undissolved constituents |
| 04/26/1988 | US4740219 Cellulose acetate with silicalite |
| 04/21/1988 | WO1988002653A1 Ultrafiltration thin film membranes |
| 04/12/1988 | US4737325 Crosslinking of polyvinyl alcohol and amino compound |
| 04/12/1988 | US4737166 Separation of hydrogen sulfide and carbon dioxide from hydrogen, carbon monoxide and hydrocarbon gases; supported polymer |
| 04/12/1988 | US4737165 Plasticizer and polymer on polymeric support |
| 04/06/1988 | EP0262656A2 A membrane for the separation of blood plasma components |
| 04/05/1988 | US4735193 Separation of a monosaccharide with mixed matrix membranes |
| 03/30/1988 | EP0261734A1 A process for the preparation of hydrophilic membranes and such membranes |
| 03/30/1988 | EP0261577A1 Dicarboxamides, process for their preparation, ion-selective membranes and test devices containing them, and lithium complexes of the dicarboxamides |
| 03/29/1988 | US4734112 Liquid membrane |
| 03/29/1988 | US4734106 Hollow fiber membrane |
| 03/29/1988 | CA1234461A1 Selectively permeable asymmetric membrane of polyetherimide |
| 03/22/1988 | US4732586 Asymmetric or composite polyquinoxaline base membranes, possible application to gaseous permeation and more particularly gaseous mixture fractionation, and mainly dehydration and deacidification of gases, especially gaseous hydrocarbons |
| 03/22/1988 | EP0217831A4 Reversed phase membranes. |
| 03/09/1988 | EP0259288A2 Process and dope for forming asymmetric gas separation membranes having graded density skins |
| 03/09/1988 | EP0259128A2 Composite porous sheet of thermoplastics layers on support |
| 03/09/1988 | EP0259109A2 Permeable membranes having high flux-density and low fouling propensity and processes including their use |
| 03/02/1988 | EP0258002A2 Waterproof article and method of making a waterproof article |
| 03/02/1988 | EP0257997A2 Plugged microporous film |
| 03/02/1988 | EP0257635A2 Permeable, porous, polymeric membrane with hydrophilic character, methods for preparing said membranes, and their use |
| 03/02/1988 | CN87106272A Asymmetric gas sepn. membrane comprising aromatic polysulphone |