| 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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| 03/25/1998 | EP0830249A1 Porous composite |
| 03/25/1998 | EP0830194A1 Ceramic hot-gas filter and process for manufacturing it |
| 03/25/1998 | EP0691882A4 Composite carbon fluid separation membranes |
| 03/25/1998 | CN1177308A Improved membrane |
| 03/25/1998 | CN1176844A Separation membrane |
| 03/24/1998 | US5730869 Porous ceramic filter |
| 03/24/1998 | US5730779 Fluorochemical recovery and recycle using membranes |
| 03/18/1998 | EP0829514A2 Hydrophobic-oleophobic fluoropolymer compositions |
| 03/18/1998 | EP0828553A1 Synthetic separation diaphragm |
| 03/18/1998 | CN1176608A Cellulosic ultrafiltration membrane |
| 03/17/1998 | US5728823 Cyclodextrin derivatives having at least one nitrogen-containing heterocycle, their preparation and use |
| 03/13/1998 | CA2198070A1 Hydrophobic-oleophobic fluoropolymer compositions |
| 03/12/1998 | WO1998009918A1 A process and apparatus for treating waste water |
| 03/12/1998 | WO1998009719A1 Membrane element |
| 03/12/1998 | CA2264915A1 A process and apparatus for treating waste water |
| 03/11/1998 | EP0827557A1 Shaped bodies coated, impregnated or covered with a cellulosic composition |
| 03/11/1998 | EP0827451A1 Laminate for retaining organic vapours, aerosols and biological active substances |
| 03/10/1998 | US5726212 Polymer membrane having a high permeability for alkanol |
| 03/10/1998 | US5726026 Mesoscale sample preparation device and systems for determination and processing of analytes |
| 03/10/1998 | US5725965 Stable high conductivity functionally gradient compositionally layered solid state electrolytes and membranes |
| 03/10/1998 | US5725769 Solvent-resistant microporous polymide membranes |
| 03/10/1998 | US5725633 Sulfonated polyimide gas separation membranes |
| 03/05/1998 | WO1998008595A2 Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
| 03/05/1998 | WO1998008594A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 03/04/1998 | EP0826628A1 SiCN gels as precursors of non oxide silicon ceramics |
| 03/04/1998 | EP0826413A1 Method for producing filter elements and the filter elements thus produced |
| 03/04/1998 | EP0826412A2 Method for producing filter elements and the filter elements thus produced |
| 03/03/1998 | US5723601 Stirring water based solutions with organic solvents and pore forming organic phase |
| 03/03/1998 | US5723397 Molecular sieve layers and processes for their manufacture |
| 03/03/1998 | US5723074 Oxygen ion-conducting dense ceramic |
| 03/03/1998 | US5723035 Coated membranes |
| 02/25/1998 | EP0824960A1 Hollow-fiber membrane of polysulfone polymer and process for the production thereof |
| 02/25/1998 | EP0824959A1 Porous film |
| 02/25/1998 | EP0824958A2 Method of producing microporous polyolefin membrane |
| 02/25/1998 | EP0590007B1 Applying a fluoropolymer film to a body |
| 02/24/1998 | US5721283 Porous polytetrafluoroethylene and preparation |
| 02/24/1998 | US5720969 Graft polymer formed by reducing nitrile groups of acrylonitrile polymer and grafting polyoxyalkylene oxide polymer chains onto reactive sites formed |
| 02/21/1998 | CA2396238A1 Container for storing potable water |
| 02/19/1998 | WO1998006477A1 Filter medium and air filter unit |
| 02/18/1998 | EP0527992B1 Process for modifying the surface of mouldings in the form of microporous membranes, mouldings so produced and their use for separating substances by adsorption |
| 02/18/1998 | CN1173390A Method for prepn. of ultra filtering silica membrane used for seawater desalination |
| 02/18/1998 | CN1173389A Disposable membrane module with low-dead volume |
| 02/12/1998 | WO1998005414A1 Composite membrane comprising a polyether-polyester block copolymer coating for separating polar gases from gaseous mixtures |
| 02/12/1998 | DE19631841A1 Kompositmembran mit einer Beschichtung aus Polyether-Polyester-Block-Copolymeren zur Abtrennung von polaren Gasen aus Gasgemischen Composite membrane with a coating of polyether-polyester block copolymers for the separation of polar gases from gas mixtures |
| 02/11/1998 | EP0823281A1 Polysulfone copolymer membranes and process |
| 02/11/1998 | CN1173144A Gel composition containing carbonaceous compound |
| 02/10/1998 | US5716527 Zeolite membrane with a selectivity enhancing coating |
| 02/10/1998 | US5716430 Nitrated polyimide gas separation membranes |
| 02/04/1998 | EP0822161A2 Gas separator |
| 02/04/1998 | EP0821998A2 Composite membrane and support assembly |
| 02/03/1998 | US5714091 Process for the partial oxydation of hydrocarbons |
| 02/03/1998 | US5714073 Passing fluid through fibrous nonwoven web of polyamideether copolymer |
| 02/03/1998 | CA2101211C Ceramic monolith support for tangential filtering membrane |
| 02/03/1998 | CA2049459C Process for surface modifying a support membrane |
| 01/29/1998 | WO1998003561A1 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus |
| 01/28/1998 | EP0821024A2 Heterogeneous ion exchange membrane and process for its production |
| 01/28/1998 | EP0820805A2 Separation membrane |
| 01/28/1998 | CN1037159C Polyacrylonitrile-polysulphone blended super filter membrane and its preparation method |
| 01/28/1998 | CN1037158C Method for preparing carbon membranes, capable of controlling aperture |
| 01/27/1998 | US5712220 Ceramic membrane |
| 01/22/1998 | WO1998002224A1 Method for the colorimetric quantification of ions |
| 01/22/1998 | CA2256747A1 Method for the colorimetric quantification of ions |
| 01/21/1998 | EP0819024A1 Dialysate filter |
| 01/21/1998 | CN1170627A High permeability composite reverse osmosis film and reverse osmosis film assembly with it |
| 01/20/1998 | US5710187 Aromatic polymers reacted with halogen containing compounds |
| 01/15/1998 | WO1998001208A1 Cationically charge-modified membranes |
| 01/15/1998 | WO1997028884A3 Compounds for the sorption of gases |
| 01/14/1998 | EP0818233A2 Gas separator |
| 01/14/1998 | EP0543973B1 Microporous membrane, its manufacture and use |
| 01/14/1998 | EP0540549B1 Formation of porous materials |
| 01/14/1998 | CN1169885A Degassing liquids, apparatus and method |
| 01/13/1998 | US5707584 Method for the production of ceramic hollow fibres |
| 01/13/1998 | US5707526 Separation from erythrocytes |
| 01/13/1998 | US5707522 For separating an organic substance from a mixture with water or another organic substance |
| 01/13/1998 | US5707423 Substituted polyacetylene separation membrane |
| 01/08/1998 | DE19624176A1 Filter plate for filtering liquids or gases comprising ceramic laminate |
| 01/07/1998 | EP0815928A2 Disposable membrane module with low-dead volume |
| 01/07/1998 | EP0815162A1 Porous ptfe film and a manufacturing method therefor |
| 01/07/1998 | EP0815160A1 Sulphonated polyether ketones, method of producing them and the use thereof to produce membranes |
| 01/07/1998 | EP0815159A1 Polymer electrolytes and process for their production |
| 01/07/1998 | EP0814898A1 Improved membrane |
| 01/07/1998 | EP0814897A1 Composite membrane |
| 01/07/1998 | EP0814887A1 Filtration monitoring and control system |
| 01/06/1998 | US5705070 Micromachined filters |
| 12/31/1997 | WO1997049475A1 Microfabricated filter and shell constructed with a permeable membrane |
| 12/30/1997 | US5703359 Composite membrane and support assembly |
| 12/30/1997 | US5702999 Oxygen permeable mixed conductor membranes |
| 12/30/1997 | US5702618 Methods for manufacturing a flow switch |
| 12/30/1997 | US5702503 Composite gas separation membranes and making thereof |
| 12/29/1997 | EP0746582A4 Membrane formed by an acrylonitrile-based polymer |
| 12/24/1997 | CN1168701A Method of producing shaped cellulose bodies, and yarn made of cellulose filaments |
| 12/23/1997 | US5700903 Polyethylene oxide di- or tri-block polymers having hydrophilic and hydrophobic blocksblended with a hydrophobic polymer |
| 12/23/1997 | US5700902 Block copolymers |
| 12/23/1997 | US5700374 Separating one or more alcohols by a pore-free, vapor permeable polymeric layer comprising dimethylaminoethyl methacrylate homo- or copolymers or the amino group as quaternary ammonium ion |
| 12/23/1997 | US5700310 Removal of oil from compressed gas with macroporous polymeric adsorbent |
| 12/18/1997 | WO1997047370A1 Microfabricated filter and method of making same |
| 12/17/1997 | EP0812339A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same |
| 12/17/1997 | EP0812234A1 Membrane process for treatment of chlorine-containing gases |
| 12/17/1997 | CN1168192A Separation of gases |
| 12/16/1997 | US5698325 Method of manufacturing a surface layer modified, molded article of aromatic polymer and the article so produced |