| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 06/29/1988 | EP0272764A1 Membrane with perforations, method for producing such a membrane and separating device comprising one or more of such membranes |
| 06/28/1988 | US4753725 Crosslinked vinyl alcohol polymers |
| 06/21/1988 | US4752624 Interpenetrating polymer network of a urethane resin and a styrene polymer produced by simultaneous or sequential polymerization and crosslinking |
| 06/21/1988 | US4752395 Protein molecules arranged in crystal lattice, for ultrafiltration |
| 06/15/1988 | EP0270985A2 Polytrialkylgermylpropyne polymers and membranes |
| 06/15/1988 | EP0270647A1 Polyamide membranes. |
| 06/14/1988 | CA1237859A1 Hollow fiber filter medium and process for preparing the same |
| 06/07/1988 | US4749619 Hollow fibre useful in blood treating processes |
| 06/07/1988 | US4749489 Cyclolinear, cyclomatrix; heat and chemical resistance |
| 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 |
| 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 | US4746341 Gravity sedimentation, degassing |
| 05/24/1988 | US4746334 Poly(disubstituted acetylene)/polyorganosiloxane graftcopolymer and membrane for gas separation |
| 05/24/1988 | US4746333 Method for producing an integral asymmetric gas separating membrane and the resultant membrane |
| 05/24/1988 | CA1237231A1 Polysulfone ionomers |
| 05/24/1988 | CA1236956A1 Porous cuprammonium cellulose fibre produced with annular orifice and central coagulating stream |
| 05/18/1988 | EP0267739A1 Shaping anodic aluminium oxide sheet |
| 05/18/1988 | EP0142518B1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 05/18/1988 | CN87101497A Shaping anodic aluminium oxide sheet |
| 05/17/1988 | US4744932 Extruding spinning solution into aqueous bath through annulus while aspirating liquid through tube |
| 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 |
| 05/11/1988 | EP0266795A2 Improved regenerated cellulose membrane and process for preparation thereof |
| 05/11/1988 | EP0266698A2 Gas separating membrane |
| 05/10/1988 | US4743629 Crosslinked polyetherurethane membranes useful in blood electrolyte sensors |
| 05/10/1988 | US4743418 Bonding amine through polyepoxide crosslinking agent |
| 05/10/1988 | US4743375 Polyolefin, blood separation |
| 05/04/1988 | EP0265899A2 Crosslinked polyimide gas separation membranes |
| 05/04/1988 | EP0265898A2 Polyimide gas separation membranes |
| 05/04/1988 | EP0265561A1 Novel chitosan derivative its preparation and polymer films produced therefrom |
| 05/04/1988 | CN87103499A Anode aluminium oxide diaphragm |
| 05/03/1988 | US4741927 Production of cellulose dialysis membrane with improved biocompatibility |
| 05/03/1988 | US4741744 Nafion" |
| 05/03/1988 | EP0180599A4 High flux membrane. |
| 05/02/1988 | EP0167573A4 Charge modified microporous hollow tubes. |
| 04/27/1988 | EP0264594A2 Device for the support of a metallic microfilter foil |
| 04/27/1988 | EP0264499A1 Sulfonated poly(aryl ether) resins and intermediate silyl sulfonate derivatives; methods of making them, and membranes formed from the resins |
| 04/27/1988 | CN87106270A Production method and relevant glue for the asymmetrical gas separating membrance with gradient density surface layer |
| 04/21/1988 | WO1988002653A1 Ultrafiltration thin film membranes |
| 04/20/1988 | EP0264229A2 Process for preparing a polyimide membrane |
| 04/19/1988 | US4738874 Process for the production of porous, permeable mineral membranes |
| 04/19/1988 | US4738764 Electrodialysis membranes comprising sulfonated constituents |
| 04/13/1988 | EP0263514A2 Acryloxyorganosiloxane polymer |
| 04/13/1988 | EP0263468A1 Ceramic filter membrane and process for the preparation thereof |
| 04/13/1988 | EP0263212A1 Method for removing water vapor from water vapor-containing gas |
| 04/13/1988 | CN86105257A Removing and recovering plant polyphenols |
| 04/12/1988 | US4737325 Crosslinking of polyvinyl alcohol and amino compound |
| 04/12/1988 | US4737291 Charge modified microporous membrane |
| 04/12/1988 | US4737286 Porous polyphenylene isophthalamide |
| 04/12/1988 | US4737165 Plasticizer and polymer on polymeric support |
| 04/06/1988 | EP0262656A2 A membrane for the separation of blood plasma components |
| 04/06/1988 | EP0262553A2 Process for treating cellulosic raw materials |
| 04/06/1988 | CN87106024A Mothod for preparating reclaimed cellulosic porous membrane |
| 04/05/1988 | US4735721 Aromatic diols, phosgene and polyether reacted in the presence of amine catalyst |
| 03/29/1988 | US4734471 Method of curing polyfluoroalkoxyphosphazene |
| 03/29/1988 | US4734196 Process for producing micro-porous membrane of ultra-high-molecular-weight alpha-olefin polymer, micro-porous membranes and process for producing film of ultra-high-molecular-weight alpha-olefin polymer |
| 03/29/1988 | CA1234461A1 Selectively permeable asymmetric membrane of polyetherimide |
| 03/24/1988 | DE3631804A1 Process and apparatus for producing microfilters, and a microfilter produced accordingly |
| 03/23/1988 | EP0260587A2 Solutions of fluoropolymers and their use |
| 03/23/1988 | CN87103503A Composite membrane |
| 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 |
| 03/03/1988 | DE3628948A1 Process for the manufacture of filter elements (filter bodies) |
| 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 |
| 03/01/1988 | US4728431 Pervaporation method for separating liquids in mixture |
| 03/01/1988 | US4728394 Semipermeable membrane support and process for preparation thereof |
| 03/01/1988 | US4728345 Preferential permeability |
| 02/24/1988 | EP0257012A2 Asymmetric gas separation membranes having graded density skins |
| 02/24/1988 | EP0256530A2 Gas separation membrane |
| 02/10/1988 | EP0255747A1 Process for separating a fluid feed mixture hydrocarbon oil and an organic solvent |
| 02/09/1988 | US4724078 Porous material and tubular filter made of said material |
| 02/03/1988 | EP0254758A1 Pervaporation process and membrane |
| 02/02/1988 | US4722795 Extrusion of polymer solution with a center liquid |
| 02/02/1988 | US4722771 Process for manufacturing a partially permeable membrane |
| 01/27/1988 | EP0254556A2 Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers |
| 01/27/1988 | EP0254334A2 Hollow fibre of polyester-amide and process for preparing it |
| 01/27/1988 | EP0254103A1 Inorganic, especially metallic microfiltration membrane, and process for its manufacture |
| 01/26/1988 | US4721568 Semipermeable composite membrane |
| 01/26/1988 | CA1231931A1 Crystalline zeolite and the agglomerate thereof |
| 01/26/1988 | CA1231810A1 Surfactant treated polyolefinic microporous materials capable of multiple re-wetting with aqueous solutions |
| 01/21/1988 | DE3623261A1 Process for producing microscreens from polyvinylidene fluoride |
| 01/19/1988 | US4720400 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 01/19/1988 | US4720345 Semipermeable membranes of modified styrene-based polymers, process for their manufacture and their use |
| 01/19/1988 | US4720343 Macroporous asymmetrical hydrophilic membrane made of a synthetic polymer |
| 01/19/1988 | CA1231598A1 Permeation modified membrane |
| 01/13/1988 | EP0252339A1 Process for the preparation of porous carbon membranes |
| 01/12/1988 | US4719277 For membrane production |
| 01/12/1988 | US4719062 Aqueous solutions of lower alkanols |
| 01/12/1988 | US4719058 Filling porous support with suspension of ceramic particles, firing |