| Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726) |
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| 03/24/1999 | EP0902723A1 Immersible rotary disc filtration device |
| 03/18/1999 | DE19740327A1 Modular cross-flow filter for preparation of aqueous samples for analysis |
| 03/17/1999 | EP0814887A4 Filtration monitoring and control system |
| 03/17/1999 | EP0669851B1 Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| 03/16/1999 | US5882752 Wrapping pipe for a bundle of hollow fibers, method and device for production thereof |
| 03/11/1999 | WO1999011361A1 Reverse osmosis filter assembly and method of manufacture |
| 03/09/1999 | US5879557 Procedure for filtration of fluids using MF modules |
| 03/09/1999 | CA2075531C Creosote filtration system |
| 03/04/1999 | WO1999010089A1 A process for repairing membrane imperfections |
| 03/04/1999 | WO1999010088A1 Vibrationally-induced dynamic membrane filtration |
| 03/03/1999 | EP0899238A1 Method and apparatus for treating water by reverse osmosis or nanofiltration |
| 03/03/1999 | EP0739234A4 Hemofiltration and plasmafiltration devices and methods |
| 03/03/1999 | CN1209758A System for filtering medical and biological fluid suspension |
| 02/24/1999 | EP0897319A1 Separation method and apparatus |
| 02/24/1999 | EP0897318A1 Separation apparatus and components thereof |
| 02/23/1999 | US5874006 Vortex flow filtration to thicken aqueous collagen solution without clogging filter membrane |
| 02/18/1999 | WO1999007459A1 Cleaning method for membranes |
| 02/18/1999 | CA2301319A1 Cleaning method for membranes |
| 02/17/1999 | EP0896740A1 Process for the fabrication of electrochemical cell components |
| 02/16/1999 | US5871648 Wastewater treatment process and apparatus for high flow impurity removal |
| 02/11/1999 | WO1999006817A1 Method for testing the quality of membranes |
| 02/04/1999 | WO1999004890A1 Sanitary rigid shell spiral wound element |
| 02/04/1999 | DE19733407A1 Filter apparatus |
| 02/04/1999 | DE19732775A1 Verfahren zur Qualitätsüberprüfung von Membranen A method for quality assessment of membranes |
| 02/04/1999 | DE19728071A1 Filter unit, especially for dialyser |
| 02/03/1999 | EP0894823A1 Not-cytotoxic medical articles from polyurethane |
| 02/02/1999 | US5866001 Filament wound housing for a reverse osmosis filter cartridge |
| 02/02/1999 | CA2049819C Operating modes control process for an automatic water filtration device mounted on tubular membranes |
| 01/28/1999 | DE19731887A1 Sterile filtration assembly for treating e.g. rain water |
| 01/27/1999 | EP0892669A1 Torsion resistant filter structure |
| 01/26/1999 | US5863421 Hemodialysis machine with automatic priming by induced pressure pulses |
| 01/21/1999 | DE19730441A1 Process to clean membrane water filter unit back-flushes permeate side |
| 01/12/1999 | CA2061063C Sophisticated process and module for filtering in a liquid under a non-stationary tangential flux |
| 01/07/1999 | DE19808001C1 Bank of cross-flow filter cassettes separated by seals with passages |
| 01/07/1999 | DE19801117C1 Quality testing of a flat element at limited test area |
| 01/05/1999 | US5855799 Rotary disk filter with backwash |
| 01/05/1999 | US5855796 Water discharging control device and method for water purifier tank |
| 12/30/1998 | WO1998058632A1 Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor |
| 12/30/1998 | EP0887100A1 Filtration device and support device for the same |
| 12/30/1998 | EP0886737A1 Pressure vessels and end closures therefor |
| 12/24/1998 | DE19724832A1 Cross-flow filter for preparation of liquid samples prior to filtration in food and drink |
| 12/23/1998 | WO1998057732A1 Method and device for purifying a fluid |
| 12/23/1998 | EP0885056A1 Membrane filtration system for a cross-flow method |
| 12/23/1998 | CN1202838A Dynamic swirl filter assemblies and methods |
| 12/23/1998 | CN1041283C Detecting broken fibre position in fibre membrane filter unit and method for sealing |
| 12/22/1998 | US5851267 Seal arrangement for rapid interconnection or axially arranged separation elements |
| 12/17/1998 | WO1998056493A1 Filtration apparatus and method |
| 12/16/1998 | CN1202116A Method and apparatus for regeneration of dialystic instrument |
| 12/16/1998 | CN1041173C Hollow fibre film with characteristic of transmitting of reinforcement and preparation of same |
| 12/10/1998 | DE19724172A1 Purification of engineering oils, removing submicron particles in transverse flow filtration |
| 12/09/1998 | EP0881941A1 Membrane filtration element |
| 12/09/1998 | EP0881940A1 System for membrane filtration in a cross stream process |
| 12/09/1998 | EP0881929A1 An in-line blood filtration device |
| 12/08/1998 | US5846421 Cartridge membrane filter for micro-filtration |
| 12/08/1998 | US5846419 Hemo(Dia)filtration apparatus |
| 12/03/1998 | WO1998053902A1 Predicting logarithmic reduction values |
| 12/02/1998 | EP0880392A1 Dynamic swirl filter assemblies and methods |
| 12/02/1998 | EP0779835A4 Cleaning of hollow fibre membranes |
| 12/02/1998 | EP0716625B1 Method of removing filling fluid and other soluble residues from the bore cavity of hollow fibres |
| 12/01/1998 | US5843304 Filtration and treatment system |
| 11/25/1998 | EP0879079A1 Membrane filter with electrical and/or acoustic enhancement |
| 11/19/1998 | WO1998051776A1 Method for producing cold-filtered beer |
| 11/18/1998 | EP0877648A1 System for filtering medical and biological fluids |
| 11/12/1998 | DE19716646A1 Filter for fluids |
| 11/05/1998 | WO1998048927A1 Article of manufacture including a surface modified membrane and process |
| 11/04/1998 | EP0875286A1 Filtering device with membrane module |
| 11/03/1998 | US5830370 Mass and thermal transfer means for use in heart lung machines dialyzers and other applications |
| 11/03/1998 | CA2132234C Filtration membrane module |
| 10/28/1998 | EP0873175A1 Manifold apparatus for tangential flow filtration apparatus |
| 10/28/1998 | CN1197408A Hollow fiber membrane module |
| 10/28/1998 | CN1196884A Sterilizing composition for making ultrapure water in semiconductor devices fabrication process, method of sterilizing ultrapure water delivery system using this, and ultrapure water delivery system |
| 10/22/1998 | WO1998046533A1 Process for purifying water |
| 10/22/1998 | WO1998046339A1 Membrane apparatus with enhanced mass transfer via active mixing |
| 10/22/1998 | WO1998046338A1 Modular filtration systems and methods |
| 10/22/1998 | WO1998046333A1 Device for filtering and separating liquid and gaseous media and/or drying gaseous media |
| 10/22/1998 | CA2286191A1 Membrane apparatus with enhanced mass transfer via active mixing |
| 10/21/1998 | EP0525096B1 Modular microporous filter assemblies |
| 10/20/1998 | US5824217 Membrane filtration apparatus |
| 10/15/1998 | WO1998045404A1 Method for producing cold-filtered beer |
| 10/15/1998 | WO1998045029A1 Method for producing beer |
| 10/15/1998 | WO1998045028A1 Filter device with a flow guide in the closing cap |
| 10/15/1998 | CA2286267A1 Method for producing beer |
| 10/14/1998 | EP0869918A1 Water desalination |
| 10/13/1998 | US5820765 Metal sensing rods determine flow of electric current in supply and purified water as a measurement of filter performance |
| 10/13/1998 | CA2053422C Hollow fiber filter module |
| 10/07/1998 | EP0868941A1 Membrane filtration module and membrane filtration system comprising modules of this kind. |
| 10/07/1998 | CN1195301A In-line blood filtration device |
| 10/06/1998 | US5817235 Anti-telescoping device for spiral wound membrane modules |
| 10/01/1998 | DE19733056C1 Stacked membrane used in e.g. reverse osmosis, microfiltration, ultra- and nanofiltration for water purification |
| 09/30/1998 | EP0748250B1 Membrane filtration assembly |
| 09/30/1998 | EP0725669B1 Method and apparatus for recovering water from a sewer main |
| 09/30/1998 | CN1194178A Method for separating and recovering target composition |
| 09/29/1998 | US5814179 Process for producing a blood dialyzer |
| 09/23/1998 | CN1193922A Hollow yarn membrane integrating module |
| 09/16/1998 | EP0864334A1 Method of regenerating dialyzer and regenerative apparatus |
| 09/16/1998 | EP0863793A1 Method for cleaning an immersed-membrane filtration apparatus |
| 09/16/1998 | EP0863792A1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 09/16/1998 | CN1193289A Separation system and methods |
| 09/16/1998 | CN1192947A Method for washing hollow-fiber film |
| 09/15/1998 | US5808181 Method for testing a filter in a dialysis system |