Patents
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
08/1997
08/19/1997US5658466 Method of sterilizing a blood dialyzer having semipermeable polymeric membranes by γ-ray irradiation
08/19/1997US5658457 Hydrostically driven osmotic membrane flush system for a reverse osmosis water purification system
08/19/1997US5658456 Electronic reader; ?touch? memory buttons, bar codes, magnetic strips
08/19/1997CA2080938C Cold draft beer filter membrane cleaning process
08/07/1997WO1997027926A2 Coilable separation elements and suitable housing with coiling drive
08/07/1997DE19603622A1 Umwickelbare Separationselemente und dafür geeignete Gehäuse mit Umwickelgetriebe Umwickelbare separation elements and for appropriate housing with Umwickelgetriebe
08/06/1997EP0787275A1 Controlled delivery of filtered cryogenic liquid
07/1997
07/30/1997CN1155446A Fibre monitoring system
07/29/1997US5651893 Circulation of heated water through filter membrane dialyzer
07/29/1997US5651889 Sludge treatment membrane apparatus
07/29/1997US5651888 Filtration membrane cartridge
07/29/1997US5651887 Filtration system and mount for beverage dispensers and automatic beverage brewing machines
07/24/1997WO1997026073A1 Filter cartridges having track etched membranes and methods of making same
07/23/1997EP0784503A2 A filter, apparatus including the filter and a method of use of the apparatus
07/23/1997EP0576677B1 Apparatus for exchanging substances
07/23/1997CN1154870A Improved method for mfg. of acetate fiber pellicle and medical product thereof
07/17/1997WO1997025128A1 Multi-port, multi-stream valve apparatus
07/17/1997DE19606420C1 Filter regeneration device, especially for filter in sewage plants
07/16/1997EP0705129B1 Solid phase extraction method and apparatus
07/15/1997US5647988 Method of back-washing submerged-type ceramic membrane separation apparatus
07/08/1997US5645984 Process for depleting viruses in solutions and determining their depletion rate
07/08/1997US5645778 Process of making a cellulose acetate semipermeable membrane
07/08/1997US5645734 Dialysate separation method
07/08/1997US5645727 On-line ozonation in ultra pure water membrane filtration
07/02/1997EP0781163A1 Hollow fiber cartridge
07/01/1997US5643455 Backwashing
07/01/1997US5643452 High-flux hollow-fiber membrane with enhanced transport capability and process for making same
06/1997
06/25/1997EP0779835A1 Cleaning of hollow fibre membranes
06/19/1997WO1997021630A1 Water desalination
06/18/1997EP0779090A1 In situ filter cleaning
06/17/1997US5640236 Method and apparatus for detecting the position of defect in a hollow fiber membrane module
06/17/1997US5639373 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
06/17/1997CA2029200C Method and apparatus for sterilizing a medical unit
06/11/1997EP0777521A1 Apparatus for processing fluid and method for producing separated fluid
06/11/1997EP0637989A4 Device and method for extracorporeal blood treatment.
06/05/1997WO1997019745A1 Immersible rotary disc filtration device
06/05/1997WO1997019743A1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes
06/03/1997US5634892 For the extracorporeal oxygenation of blood/removal of carbon dioxide
06/03/1997CA2106989C Rotary filtration device and filter pack therefor
05/1997
05/29/1997WO1997018887A1 Method for cleaning an immersed-membrane filtration apparatus
05/28/1997EP0775014A1 Membrane filter unit
05/28/1997DE19543955A1 Auf Integrität testbare Filtrationseinheit mit hydrophilen, porösen Membranen Testable integrity filtration unit with hydrophilic porous membranes
05/27/1997US5632890 Ceramic filter filtration apparatus for purifying swimming pool water
05/27/1997CA2031997C Water treatment installation for a tangential filtration loop
05/22/1997DE19542531A1 Cross-flow filter process and assembly tube diameter constant to tubular surface hydraulic diameter
05/20/1997US5630935 Pressure relief valve with sample removal port
05/15/1997WO1997017125A1 Apparatus and methods for gas extraction
05/14/1997EP0773051A1 Filter unit for fluids
05/13/1997US5628909 Membrane filters with corkscrew vortex generating means
05/10/1997CA2189108A1 Filters
05/07/1997EP0730489B1 Process for the partial modification of porous hydrophylic filter membranes
05/07/1997EP0715539B1 Heat-sterilizable coil-wound membrane-filter cartridge
05/07/1997CN1148997A Method and apparatus for using operating pump to negative pressure cleaning by semipermeable membrance
05/06/1997US5626758 Defouling, depolarizing
05/06/1997US5626752 Reverse osmosis; filtration
05/02/1997EP0769980A1 Membrane reparation and pore size reduction using interfacial ozone assisted chemical vapor deposition
05/02/1997EP0769979A1 Dynamic filter system
05/02/1997EP0641248B1 Membrane system and method of use for low pressure separations
05/01/1997WO1997006880A3 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces
04/1997
04/23/1997EP0623045B1 Method for filtering a body fluid using rinse chamber bag
04/17/1997WO1997013571A1 Dynamic swirl filter assemblies and methods
04/16/1997EP0768112A1 Process and device for producing pure water
04/15/1997US5620605 Membranes are sealed such that the feed side and permeate side of the membranes do not communicate other than through the membranes
04/03/1997WO1997011771A1 Method for detecting blood leaks in dialyzer
04/03/1997WO1997011770A1 Method for testing dialyzer integrity before use
04/02/1997EP0765670A1 Method and means for controlling the integrity of the membrane of a dialyzer
04/02/1997EP0730490A4 A composite structure and a method for forming same
04/01/1997US5616828 Apparatus and method for testing hydrophobic filters
04/01/1997US5616254 Separator comprising multi-containers and porous filters; biological apparatus
04/01/1997CA2070110C Method and apparatus for testing the integrity of filter elements
03/1997
03/27/1997WO1997010893A1 Hollow fiber membrane module
03/26/1997EP0696259A4 Process and apparatus for the treatment of waste water
03/25/1997US5614093 Discrete pore platelet filter manufactured by electropolishing
03/20/1997WO1997010048A1 Filtration medium
03/20/1997WO1997010046A1 Hollow yarn membrane integrating module
03/19/1997EP0763367A1 Method for testing at least one filter mounted in a dialyse circuit
03/13/1997WO1997009106A1 An in-line blood filtration device
03/04/1997US5607593 Installation for making water potable with submerged filtering membranes
02/1997
02/27/1997WO1997006880A2 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces
02/27/1997WO1997006693A1 Anti-telescoping device for spiral wound membrane modules
02/20/1997WO1997005946A1 Colled membrane filtration system
02/20/1997DE19530190A1 Reverse osmosis filter membrane and module cleaned by reverse flow of hot water
02/19/1997CN1143334A Hemofiltration and plasmafiltration device and methods
02/13/1997WO1997005072A1 Biological water treatment plant for producing drinking water
02/13/1997WO1997004857A1 Membrane filtration apparatus
02/11/1997US5601710 Filtering apparatus of water purifier
02/06/1997WO1997003926A2 Biofouling reduction
02/06/1997CA2227206A1 Biofouling reduction
02/05/1997EP0756514A1 Diaphragm separator with cooling device
02/04/1997US5599447 Manifold apparatus for tangential flow filtration apparatus
01/1997
01/30/1997WO1997002753A1 Cleaning-in-place with a solution containing a protease and a lipase
01/30/1997DE19502516C1 Membrane filter cleaning process
01/29/1997EP0447513B1 Filter cartridge manifold
01/28/1997US5597486 Membrane filtration with optimized addition of second liquid to maximize flux
01/23/1997WO1997002087A1 Separation systems and methods
01/23/1997WO1996037604A3 Enzyme and microorganism degrading rhamnogalacturonane ii
01/23/1997CA2225909A1 Separation systems and methods
01/22/1997EP0754165A1 Microfiltration enhanced reverse osmosis for water treatment
01/21/1997US5595651 All-plastic hand-assembled super-strength reverse osmosis membrane housing
01/16/1997DE19621868A1 Filtrationsvorrichtung Filtration device
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