Patents
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)
12/1998
12/23/1998WO1998057726A1 Antimicrobial filter cartridge
12/23/1998EP0884960A1 Membranes of polyurethane based materials including polyester polyols
12/23/1998EP0722540B1 Micromachined fluid flow regulators
12/23/1998EP0639106B1 Method for the preparation of a polyvinylidene fluoride microporous membrane
12/22/1998US5851394 Module for blood purification, blood purification membrane and its production
12/22/1998US5851355 Reverse osmosis support substrate and method for its manufacture
12/22/1998US5851266 Hybrid solid electrolyte ionic conductor systems for purifying inert gases
12/16/1998EP0884096A1 Semipermeable encapsulated membranes with improved acid and base stability process for their manufacture and their use
12/16/1998CN1041173C Hollow fibre film with characteristic of transmitting of reinforcement and preparation of same
12/15/1998US5849311 Contact-killing non-leaching antimicrobial materials
12/15/1998US5849215 Highly ordered nanocomposites via a monomer self-assembly in situ condensation approach
12/15/1998US5849195 Composite membrane, process of manufacturing it and process of using it
12/15/1998US5849189 Hollow fiber blood purifying membrane and process for its production
12/09/1998EP0882494A1 Hollow fiber type filtration membrane
12/09/1998EP0882493A2 Mass transfer method
12/09/1998EP0882088A1 $g(a),$g(b),$g(b)-TRIFLUOROSTYRENE-BASED AND SUBSTITUTED $g(a),$g(b),$g(b)-TRIFLUOROSTYRENE-BASED COMPOSITE MEMBRANES
12/09/1998EP0820338A4 Whole blood separation method and devices
12/09/1998EP0766715B1 A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
12/09/1998CN1200950A Solid electrolyte system for producing purity-controlled oxygen
12/08/1998US5847075 Polymer and porous structure
12/08/1998US5847012 Microporous polymeric foams and microtextured surfaces
12/08/1998US5846641 Multi-layer membrane composites and their use in hydrocarbon partical oxidation
12/08/1998US5846438 Fibrous web for processing a fluid
12/08/1998US5846428 Method for modifying the surface of a polymer membrane, and a membrane thus modified
12/08/1998US5846422 Large pore synthetic polymer membranes
12/03/1998WO1998053920A1 Method and apparatus for the preparation of monolayers of particles or molecules
12/03/1998WO1998053894A1 Non-porous gas permeable membrane
12/03/1998CA2291825A1 Method and apparatus for the preparation of monolayers of particles or molecules
12/02/1998EP0880544A1 Surface modified affinity separation membrane
12/02/1998EP0880400A1 Composite membrane with a support membrane made, in particular of microporous material
12/02/1998EP0880399A1 Self supporting hollow fiber membrane and method of construction
12/02/1998EP0772484A4 Fibrous web and process of preparing same
12/02/1998EP0716625B1 Method of removing filling fluid and other soluble residues from the bore cavity of hollow fibres
12/01/1998US5843789 Method of analysis of genomic biopolymer and porous materials for genomic analyses
12/01/1998US5843351 Highly permeable composite reverse osmosis membrane, method of producing the same
11/1998
11/26/1998WO1998052732A1 Method for producing polymer electrolyte membrane and fuel cell
11/26/1998WO1998052683A1 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
11/26/1998CA2291147A1 Method for producing polymer electrolyte membrane and fuel cell
11/25/1998CN1199813A Method for producing oxidized product and generating power using solid electrolyte membrane integrated with gas turbine
11/25/1998CN1199666A Preparation of hollow-fibre composite film
11/25/1998CN1199649A Pre-treatment method of coating material
11/24/1998US5840235 Melt kneading with a hydrocarbon plasticizer, forming a high viscosity blends, forming a fabric sheet, solvent extraction to remove plasticizer, stretching the film, heating
11/24/1998US5840190 Incorporating functional groups into polymer membranes for immobilization of bioactive molecules
11/24/1998US5840083 A medical equipment for grafting in mammalian body comprising an amphiphilic coatings having an antibodies receptor molecule conjugated to a supports lipids and membrane protein; ion conductivity
11/24/1998US5839467 Fluid flow regulator
11/19/1998WO1998051418A1 Membrane formed on a solid substrate
11/19/1998WO1998051399A1 Apparatus and method for performing membrane gas/liquid absorption at elevated pressure
11/18/1998EP0878292A1 Polymeric integral net
11/18/1998EP0877648A1 System for filtering medical and biological fluids
11/18/1998CN1199276A Method and apparatus for controlling servomotor in two inertial systems
11/17/1998US5837339 Modified cyclodextrin coating
11/17/1998US5837234 Cell cores and encapsulation
11/17/1998US5837032 Polymer separators for gases
11/16/1998CA2236705A1 Polymeric integral net
11/12/1998WO1998050136A1 Surface modified porous membrane and process
11/10/1998US5834523 Porous sheet impregnated with trifluorostyrene-based polymer which may contain ion exchange moieties
11/10/1998US5834107 Formed from casting polymer solutions or dispersions; isotropic; highly asymmetric; microfiltration
11/10/1998US5833896 At the interface between nascent membrane and external coagulant, liquid-liquid phase separation rather tha gelation is favored process; subjected to vapor-phase non-solvent environment to induce precipitation
11/10/1998US5833854 Having water soluble polymer layer; reverse osmosis, desalination
11/10/1998CA2025195C Filter for purification of platelets
11/05/1998WO1998049224A1 Method for producing cellulosed formed parts
11/05/1998WO1998048927A1 Article of manufacture including a surface modified membrane and process
11/05/1998WO1998048926A1 Ink deaerating hollow yarn membrane, ink deaerating method, ink deaerating apparatus, ink cartridge manufacturing method, and ink
11/05/1998WO1998030318A3 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof
11/05/1998CA2258122A1 Method for producing cellulosed formed parts
11/04/1998EP0875524A2 Composite membranes
11/04/1998EP0875283A1 Solid electrolyte membrane systems for producing controlled purity oxygen
11/04/1998EP0875282A1 Method for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine
11/04/1998EP0874788A1 Hollow microfiber of ceramic material, a process for its manufacture and its use
11/03/1998US5830340 Electric potential to control migration
11/03/1998CA2171298C Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
10/1998
10/28/1998EP0874277A1 Method of treating a photographic processing solution
10/28/1998EP0873780A1 Novel separative membrane and method for using this membrane
10/28/1998CN1197409A Filter member
10/22/1998WO1998046648A1 Interactive system for substance presentation and elimination
10/22/1998WO1998046325A1 Microfabricated filter and capsule formed by substrates
10/22/1998DE19729456C1 Porous organic polymer membrane used for micro-filtration and ultrafiltration
10/21/1998EP0871540A2 Gel composition containing carbonaceous compound
10/21/1998CN1196688A Affinity membrane system and method of using same
10/20/1998US5824220 Ceramics
10/15/1998DE19715504A1 PMMA-Membranen mit Polyethylenglykol-gekoppelten Wirksubstanzen PMMA membranes with polyethylene glycol-coupled active substances
10/14/1998EP0870534A1 Macroporous support having a permeability gradient and method for its production
10/14/1998EP0541578B1 Polymerisable porphyrins
10/13/1998US5820755 Filter unit comprising cellulose nitrate membrane which selectively adsorbs blood leukocytes without being clogged by proteins
10/13/1998US5820659 Multicomponent or asymmetric gas separation membranes
10/07/1998EP0868208A1 Affinity membrane system and method of using same
10/07/1998CN1195315A Microporous membrane with stratified pore structure created in situ and process
10/04/1998WO1998045019A1 Organic contaminant recovery arrangement and method of using same
10/04/1998CA2248280A1 Organic recovery system and method
09/1998
09/29/1998US5814372 Formed from porous polymeric substrate and second polymer which has been crosslinked by heat or uv in absence of crosslinking agent
09/24/1998WO1998041394A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
09/24/1998WO1998041314A1 Container
09/24/1998WO1998041313A1 Membranes comprising aminoacid salts in polyamine polymers and blends
09/24/1998WO1998041312A1 Dialysis membranes and process for their production
09/24/1998CA2283837A1 Dialysis membranes and process for their production
09/24/1998CA2282436A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
09/23/1998EP0865309A1 Composite nanofiltration membrane
09/22/1998US5811196 Laminated first and second asymmetric membranes having different molecular structures, at least one having homogeneous skin layer of specified thickness
09/22/1998US5810912 Composite hollow filamentary film of porous ceramics and process for producing the same
09/16/1998EP0863792A1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes