| 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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| 09/23/1999 | WO1999047593A1 Microporous film |
| 09/23/1999 | WO1999047335A1 Process of making reinforced, three zone microporous membrane |
| 09/23/1999 | WO1999047246A1 Reinforced, three zone microporous membrane |
| 09/23/1999 | WO1999032204A3 Permeable compositions and methods for their preparation |
| 09/23/1999 | CA2322855A1 Microporous membrane |
| 09/22/1999 | EP0735852B1 Liquid dispenser for sterile solutions |
| 09/16/1999 | WO1999046034A1 Composite hollow fiber membrane and its manufacture |
| 09/15/1999 | EP0941760A1 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same |
| 09/10/1999 | WO1999044729A1 Reinforced microporous filtration membrane and process of making and using same |
| 09/10/1999 | WO1999044712A1 Antimicrobial filter cartridge |
| 09/07/1999 | US5948255 Microfabricated particle thin film filter and method of making it |
| 09/01/1999 | EP0938921A1 A method for potting or casting inorganic hollow fiber membranes into tube sheets |
| 09/01/1999 | EP0938367A1 Water filtration device and method of its manufacture |
| 09/01/1999 | EP0938351A1 Method for purifying blood plasma and apparatus suitable therefor |
| 08/26/1999 | WO1999042709A1 Combustion engine air supply system |
| 08/25/1999 | EP0589897B1 Method of making membranes |
| 08/24/1999 | US5942120 Composite microporous ultrafiltration membrane, method of making thereof, and separation methods |
| 08/19/1999 | WO1999041001A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores |
| 08/19/1999 | WO1999040997A1 Membrane laminates and methods for their preparation |
| 08/19/1999 | WO1999040996A1 Selective membrane and process for its preparation |
| 08/18/1999 | EP0935494A1 Cationically charge-modified membranes |
| 08/17/1999 | US5938929 Polysulfone hollow fiber semipermeable membrane |
| 08/17/1999 | US5938928 Concentration of liquid mixture, i.e. beverages, juices, without heating |
| 08/17/1999 | US5938923 Microfabricated filter and capsule using a substrate sandwich |
| 08/10/1999 | US5936106 Process with porous means to control reaction rate and heat |
| 08/10/1999 | US5935533 Hermetic sealed composite |
| 08/05/1999 | WO1999038604A1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof |
| 08/05/1999 | DE19803362A1 Geschäumte poröse Membranen aus thermoplastischen Polymeren sowie Verfahren und Vorrichtung zu ihrer Herstellung Foamed porous membranes of thermoplastic polymers as well as methods and apparatus for their preparation |
| 08/03/1999 | US5932291 Ormocer coated papermachine clothing |
| 08/03/1999 | US5931987 Apparatus and methods for gas extraction |
| 07/28/1999 | EP0931583A1 Spiral wound type membrane module |
| 07/28/1999 | CN1224435A Method for producing cellulose formed parts |
| 07/27/1999 | US5929587 Method and apparatus for controlling servomotor in two inertial systems |
| 07/27/1999 | US5928774 Highly asymmetric ultrafiltration membranes |
| 07/27/1999 | US5928745 Vapor barrier comprising a cyclodextrin composition. |
| 07/27/1999 | US5928582 Irradiation and thermal induction phase separation techniques, during manufacture, microsphereulites are created by irradiation of curable agents in a casted polyolefin film |
| 07/27/1999 | CA2157064C Production process of connected microgel particles and articles treated with connected microgel particles |
| 07/27/1999 | CA2132683C Microfiltration and/or ultrafiltration membrane method of the preparation of such a membrane, and a method of the filtration of a liquid by means of such a membrane |
| 07/22/1999 | WO1999025788A3 Liquid crystalline single crystal hydrogels with high double refraction |
| 07/21/1999 | EP0804961A4 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it |
| 07/21/1999 | CN1223596A Liquid chromatography column |
| 07/20/1999 | US5925591 Process for the production of hollow carbon fiber membranes |
| 07/20/1999 | US5925254 Complexing isotopes in solution with chelating agent, nanofiltration to remove resulting radioactive chelate compound and recovering sodium-containing permeate |
| 07/14/1999 | EP0838084A4 Multilayer high vertical aspect ratio thin film structures |
| 07/13/1999 | US5922791 A plurality of polyimide blends comprising a solvent, and a critical solution temperature adjustment agent to enhance the miscibility of polyimides in solution |
| 07/08/1999 | WO1999019456A8 Steam reformer with internal hydrogen purification |
| 07/08/1999 | DE19817364C1 Hydrophilic asymmetric membrane used in ultrafiltration and reverse osmosis |
| 07/07/1999 | EP0927572A2 A polysulfone based hollow fiber membrane, and a process for preparing the same |
| 07/07/1999 | CN1221649A Method for prepn. of permeation vaporization compound membrane |
| 07/07/1999 | CN1043961C Prepn. of chitosan charged microporous filtering film by dip-coating method |
| 07/06/1999 | US5919370 Made from epsilon-caprolactam-soluble polymers; hemodialysis, hemodiafiltration or hamofiltration |
| 07/06/1999 | US5919330 Method for bonding a porous medium to a substrate |
| 07/06/1999 | CA2226273A1 Self-assembly of sensor membranes |
| 07/01/1999 | WO1999032212A1 Water filtration method and apparatus |
| 07/01/1999 | WO1999032204A2 Permeable compositions and methods for their preparation |
| 06/30/1999 | EP0925826A1 Use of a neutral or cationic polymer for preventing the activation of blood or plasma contact phase in contact with a semipermeable membrane |
| 06/24/1999 | WO1999030806A1 Hydrogen gas-extraction module |
| 06/23/1999 | EP0924262A1 Polymer blends and membranes formed from these blends |
| 06/23/1999 | EP0923984A1 Polyacrylonitrile-base hollow-fiber filtration membrane |
| 06/23/1999 | EP0923955A2 Manufacturing method of artificial organ, hollow fiber membrane, and dialyzer of hollow fiber membrane type |
| 06/22/1999 | US5914154 Non-porous gas permeable membrane |
| 06/22/1999 | US5914042 Device and method for separating plasma from a blood product |
| 06/22/1999 | US5914039 Filtration membrane with calcined α-alumina particles therein |
| 06/16/1999 | EP0644928B1 Rectifying dialyzer, bioreactor and membrane |
| 06/09/1999 | EP0920356A2 Devices incorporating filters for filtering fluid samples |
| 06/09/1999 | EP0631597B1 Super porous polysaccharide gels |
| 06/08/1999 | US5910357 Separation membrane and method of producing the same, and shape memory polymer composition |
| 06/08/1999 | US5910277 Mixing powdered polytetrafluoroethylene with liquid lubricant, molding into unsintered sheet, stretching in machine and transverse directions; clean room air filters |
| 06/08/1999 | US5910274 Single step formation of anisotropic fluid separation membranes from casting solution of polymer blends having significant surface energy differences |
| 06/08/1999 | CA2143863C Hollow fiber membrane incorporating a polyimide and process for preparing same |
| 06/02/1999 | CN1218525A Cellulosic web with contaminant barrier or trap |
| 06/01/1999 | US5908399 Methods for treating hemophilia A and B and AIDS and devices used therein |
| 05/27/1999 | WO1999025788A2 Liquid crystalline single crystal hydrogels with high double refraction |
| 05/27/1999 | WO1999025465A1 Gelatine membrane filters and method for producing the same |
| 05/27/1999 | WO1999025464A1 Microporous membrane and method for providing the same |
| 05/27/1999 | DE19750527A1 Production of stable and storable cellulosic separation membrane |
| 05/26/1999 | EP0917902A1 Filter medium and air filter unit |
| 05/26/1999 | EP0758264B1 Composite membrane for chemical synthesis |
| 05/25/1999 | US5906742 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure |
| 05/20/1999 | DE19750628A1 Preparation of a liquid crystal hydrogel |
| 05/19/1999 | CN1217004A Integral multi-layered ion-exchange composite membranes |
| 05/18/1999 | US5904848 Porous membrane with glass particles embedded in plastic |
| 05/14/1999 | WO1999022852A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation |
| 05/14/1999 | WO1999022838A1 Separation process and apparatus |
| 05/14/1999 | WO1999022836A2 Treatment of composite polyamide membranes with hypochlorite to improve performance |
| 05/14/1999 | CA2309149A1 Treatment of composite polyamide membranes to improve performance |
| 05/12/1999 | EP0574588B1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 05/12/1999 | CN1216480A Procedure for preparing molecular sieve films |
| 05/11/1999 | US5902747 Transferring gaseous component between two fluids through membrane unit including liquid impermeable, oxygen permeable nonporous membrane formed of amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole |
| 05/06/1999 | WO1999021643A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 05/06/1999 | WO1999021640A1 Composite materials for membrane reactors |
| 05/06/1999 | EP0913186A1 Hollow fiber membrane and method of manufacturing same |
| 05/06/1999 | EP0912628A1 Method for producing cellulosed formed parts |
| 04/29/1999 | WO1999020567A1 Apparatus for electrically producing deionized water |
| 04/29/1999 | WO1999020378A1 A manufacturing method of composite membrane having hydrophilic coating layer on hydrophobic support membrane |
| 04/28/1999 | EP0911074A1 Ultraporous and microporous membranes and method of making membranes |
| 04/28/1999 | EP0911073A1 Hydrophilic membrane |
| 04/27/1999 | US5898040 Microporous polymeric foams and microtextured surfaces |
| 04/27/1999 | US5897915 Coated substrates, method for producing same, and use therefor |
| 04/27/1999 | US5897817 Process for making a medical device from a cellulose acetate hollow fiber semipermeable membrane |