| 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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| 09/15/1998 | US5807494 Thermal insulation |
| 09/15/1998 | US5807406 Porous microfabricated polymer membrane structures |
| 09/11/1998 | WO1998039084A1 Method for making a composite filter |
| 09/09/1998 | EP0862491A1 A filter member |
| 09/09/1998 | CN1039678C Prepn. method and application of reverse osmosis film |
| 09/08/1998 | US5804280 Porous filter medium includes polyamide, fluoropolymer, polyethersulfone, polysulfone, acrylic polymer, polyester or cellulose ester; adhesive free bonding |
| 09/03/1998 | WO1998037949A1 Cast membrane structures for sample preparation |
| 09/02/1998 | EP0619757B1 Catalytic filtration device and method |
| 09/01/1998 | US5800624 Lipophilic polymer, hydrophobic plasticizer, quaternary ammonium or phosphonium carrier |
| 08/26/1998 | EP0860199A2 Method of producing a membrane |
| 08/26/1998 | CN1191471A Membranes of polyurethane based on materials including polyester polyols |
| 08/25/1998 | US5798042 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters |
| 08/25/1998 | CA2104955C Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same |
| 08/20/1998 | WO1998036058A1 Enzymatically catalysed process |
| 08/19/1998 | EP0637323B1 Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range |
| 08/13/1998 | WO1998034977A1 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film |
| 08/13/1998 | WO1998034719A1 Hollow fiber membrane and method of manufacturing same |
| 08/12/1998 | CN1190355A Microfiltration membrane having high pore density and mixed isotropic and anisotropic structure |
| 08/04/1998 | US5789081 Polyvinyl alcohol-based hollow fiber membrane and process for producing the same |
| 08/04/1998 | US5788862 Filtration medium |
| 07/28/1998 | US5785860 Lowering asphaltene content |
| 07/23/1998 | WO1998031451A1 Filter medium and air filter unit using the same |
| 07/21/1998 | US5783124 Spinning dope of cellulose diacetate and triacetate to formhollow fibers; coagulation; high pressure steam sterilization |
| 07/21/1998 | US5783079 Composite hollow fiber membrane and process for its production |
| 07/21/1998 | US5783054 Contacting electrode with linker lipid for use in attaching membrane containing ionophore to electrode |
| 07/16/1998 | WO1998030905A1 Means for the biological purification of a biological fluid |
| 07/16/1998 | WO1998030624A1 Porous moulded bodies of thermoplastic polymers |
| 07/16/1998 | WO1998030318A2 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof |
| 07/16/1998 | WO1998008606A3 Devices incorporating filters for filtering fluid samples |
| 07/16/1998 | DE19700760A1 Poröse gesinterte Formkörper aus thermoplastischen Polymeren Sintered porous moldings of thermoplastic polymers |
| 07/15/1998 | EP0820586A4 Defining an electrode area |
| 07/15/1998 | EP0698206B1 Electrochemical sensors |
| 07/15/1998 | EP0692996B1 A method for concentrating a solute by continually altering the filtration direction through an asymmetric memrane |
| 07/15/1998 | CN1187781A Gas passage with selectively acting penetration surface and process for producing penetration surface |
| 07/14/1998 | US5779815 Process for removal of lumen fillers and other soluble residues from hollow filaments |
| 07/09/1998 | WO1998029478A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/09/1998 | CA2272364A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/07/1998 | US5776842 Cellulosic web with a contaminant barrier or trap |
| 07/02/1998 | WO1998028026A1 Reactive coatings |
| 07/02/1998 | CA2275201A1 Reactive coatings |
| 07/01/1998 | EP0850678A2 Process for producing hollow fiber membrane, hollow fiber membrane, and dialyzer of hollow fiber membrane type |
| 06/30/1998 | US5774779 Multi-channel structures and processes for making such structures |
| 06/30/1998 | US5773480 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom |
| 06/30/1998 | US5773098 Covalently bonding to a microporous polytetrafluoroethylene film by exposing to perfluorocyclohexane under plasma |
| 06/30/1998 | US5772884 Air filters; semiconductor industry; stretching biaxially unsintered polymer at specific temperatures |
| 06/25/1998 | WO1998026860A1 Filter medium and air filter unit using the same |
| 06/24/1998 | EP0848702A1 Substituted trifluorostyrene compositions |
| 06/24/1998 | EP0848644A1 Ion exchange polyethylene membrane and process |
| 06/24/1998 | EP0848643A1 Method of producing hollow fibre polymer membranes |
| 06/23/1998 | US5770631 Production process of connected microgel particles and articles treated with connected microgel particles |
| 06/23/1998 | US5770076 Micromachined capsules having porous membranes and bulk supports |
| 06/18/1998 | WO1998025997A1 Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films |
| 06/18/1998 | WO1998025758A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
| 06/18/1998 | WO1998025687A1 Diffusional gas transfer system and method of using same |
| 06/17/1998 | CN1185119A Synthetic separation disphragm |
| 06/17/1998 | CN1184699A Mesopore molecular sieve inorganic composite film used for water purification |
| 06/16/1998 | US5766960 Receptor membranes |
| 06/16/1998 | US5766908 Chromatography |
| 06/16/1998 | US5766473 Enzyme loaded hydrophilic porous structure for protecting oxygen sensitive products and method for preparing same |
| 06/16/1998 | US5766288 Multilayered deep-bed filter material |
| 06/16/1998 | CA2092837C Charge mosaic membrane and production process thereof |
| 06/10/1998 | EP0846024A1 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure |
| 06/10/1998 | CN1038655C A composite filter material |
| 06/10/1998 | CN1038652C Operating method of gas membrane separator set for gas replacement |
| 06/09/1998 | US5762871 Multi-layer test device for analyzing the concentration of analyte in a blood sample |
| 06/09/1998 | US5762798 Hollow fiber membranes and method of manufacture |
| 06/09/1998 | US5762797 Antimicrobial filter cartridge |
| 06/09/1998 | US5762789 Used to filter ultrapure fluids used in semiconductor forming, combines the benefit of an in-line and t filter configuration |
| 06/03/1998 | CN1038562C Ionic exchange membrane using polypropylene microporous membrane as basal membrane and making method thereof |
| 05/27/1998 | EP0844681A2 Porous membrane with low steam permeability |
| 05/27/1998 | CN1038481C Hydrophilic compositions with increased thermal and solvent resistance for filtration |
| 05/26/1998 | US5756632 A hydrophilic gel enclosed within a membrane comprising a biocompatible, hydrophilic, segmented block polyurethane copolymer |
| 05/26/1998 | US5755967 Silicalite membrane and method for the selective recovery and concentration of acetone and butanol from model ABE solutions and fermentation broth |
| 05/22/1998 | WO1998020960A1 Hydrophilic polymeric phase inversion membrane |
| 05/22/1998 | CA2271846A1 Hydrophilic polymeric phase inversion membrane |
| 05/19/1998 | US5753093 Using a linker lipid for attaching a membrane including a plurality of ionophores to an electrode; providing a space between the membrane and the electrode |
| 05/19/1998 | US5753014 Membrane filter and a method of manufacturing the same as well as a membrane |
| 05/19/1998 | US5753009 Using permselective membrane fractionation |
| 05/19/1998 | US5753008 Solvent resistant hollow fiber vapor permeation membranes and modules |
| 05/14/1998 | WO1998020348A1 Opaque reaction matrix for the analysis of whole blood |
| 05/14/1998 | WO1998019812A1 Multi-channel structures and processes for making such structures |
| 05/14/1998 | WO1998019778A1 Membrane module for a membrane separation system, its use and process for producing the same |
| 05/14/1998 | WO1998019722A1 Method for purifying blood plasma and apparatus suitable therefor |
| 05/14/1998 | CA2309201A1 Multi-channel structures and processes for making such structures |
| 05/14/1998 | CA2270413A1 Method for purifying blood plasma and apparatus suitable therefor |
| 05/13/1998 | EP0703819B1 Method of making composite gas separation membranes |
| 05/13/1998 | EP0666773A4 Cross-flow microfiltration process. |
| 05/13/1998 | CN1181811A Defining an eleectrode area |
| 05/07/1998 | WO1998008594A3 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 05/06/1998 | EP0839071A1 Absorbent filled membranes for removal of volatile compounds from wastewater |
| 05/05/1998 | US5747110 Porous webs |
| 05/05/1998 | US5746916 Walls with fibers and slits, stacks of polymers |
| 04/30/1998 | WO1998017378A1 Inorganic nanofiltration membrane and its application in the sugar industry |
| 04/30/1998 | WO1998017377A1 Microporous membranes and uses thereof |
| 04/30/1998 | WO1998017362A1 Method of gasifying or degasifying a liquid |
| 04/29/1998 | EP0838257A2 Coated substrates, method for producing same, and use therefor |
| 04/29/1998 | EP0838084A1 Multilayer high vertical aspect ratio thin film structures |
| 04/29/1998 | EP0838028A1 Self-assembly of sensor membranes |
| 04/29/1998 | EP0837900A1 Membranes comprising salts of aminoacids in hydrophilic polymers |
| 04/28/1998 | US5744696 Thermal isolation system in a chromatograph |