Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
10/1990
10/16/1990US4963264 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes
10/16/1990US4963253 Anti-clogging and dialysis device for filtration systems
10/16/1990CA1275262C Filters
10/16/1990CA1275261C Process and device for filtering out particles suspended in a liquid
10/16/1990CA1275260C Cleaning of filters
10/09/1990US4961851 Self-cleaning reverse osmosis liquid treatment system, method and dual configuration check valve therefor
10/05/1990CA2013203A1 Systems and methods for predetermining maximum pressure differentials for microporous hollow fibers employed in liquid-liquid extractions
10/04/1990WO1990011120A1 Ultrafiltration membrane
10/03/1990CN1045756A Water purification system using full-automatic dynamically formed membrane
09/1990
09/26/1990CN1009709B Apparatus for separating cell suspension
09/25/1990US4959150 Filter with hydroxyacrylic ester coating
09/25/1990US4959149 Multiple tube series membrane filtration module and method of preparing same
09/20/1990DE3942659A1 Filter membrane bundle
09/19/1990EP0387270A1 Transfer membrane apparatus.
09/12/1990EP0204836B1 Flow through filter with backflush clearing capability
09/12/1990CN1045232A Filter cleaning
09/05/1990CN1009432B Variable volume filter of conventrator
08/1990
08/28/1990US4952313 Apparatus for carrying out membrane separation processes
08/23/1990WO1990009229A1 Spiral filter
08/22/1990EP0383146A1 Coupling fluid separation membrane elements
08/22/1990EP0382886A2 Vacuum suction type anti-clogging and dialysis device for filtration systems
08/16/1990EP0382202A2 Method and device for the removal of components to be separated from a fluid
08/16/1990EP0381757A1 Medical instrument and production thereof
08/16/1990EP0381666A1 Filter cartridge.
08/14/1990US4948508 Surface treatment of aromatic hydrophobic polymer with epoxide, friedel-crafts catalyst
08/03/1990CA2009251A1 Distillation separation membrane and method for membrane distillation separation
08/02/1990DE3927455C1 Liq. concn., diluting or filtering appts. - contg. semipermeable membrane forming part of elongated interior section in housing having specifically sealed cast end sections
08/01/1990EP0380266A1 Filter cleaning
07/1990
07/31/1990US4944875 Plural filter tube sequential distribution apparatus
07/31/1990CA1272138A1 Method and apparatus for enhancing the flux rate of cross-flow filtration systems
07/25/1990CA2008437A1 Filter cleaning
07/18/1990EP0378225A2 Apparatus for processing fluid and method of driving the same
07/10/1990US4940541 Blood cleaning hollow fiber membrane, method for cleaning blood, and apparatus therefor
06/1990
06/28/1990WO1990006804A1 Filtering apparatus
06/28/1990DE3841594A1 Arrangement for liquid treatment
06/26/1990US4936997 Method of flushing desalination apparatus equipped with reverse osmotic membrane module and apparatus therefor
06/21/1990DE3448262C2 Method of testing sterilising filters of a haemodial filtration apparatus
06/19/1990US4935143 Cleaning of filters
06/19/1990US4935002 Apparatus and method for the autotransfusion of blood
06/13/1990EP0372074A1 Blood component separator
06/13/1990EP0218644B1 Variable volume filter or concentrator
06/12/1990US4932470 Apparatus for transferring mass and/or heat
06/12/1990CA2005309A1 Filtering apparatus
06/06/1990EP0371178A1 Method for producing a blood cleaning apparatus with hollow fiber membranes
06/05/1990US4931186 Concentration of solids in a suspension
05/1990
05/31/1990WO1990005576A1 Separating filter for separating a pulp
05/30/1990EP0370859A1 Casing for fibre bundle filtration modules
05/30/1990EP0370118A1 Filterapparatus for the purification of a liquid
05/29/1990US4929354 Filter element having microporous membrane
05/17/1990DE3838063A1 Production of a tube module for membrane filtration
05/17/1990CA2003108A1 Filter separator for separating a composite fluid
05/16/1990EP0368513A2 Mixing apparatus and method
05/16/1990EP0367774A1 Reverse osmosis apparatus.
05/16/1990EP0216876B1 Cooling hollow fibre cross-flow separators
05/08/1990US4923609 Method and apparatus for purifying liquids employing a particulate filter and a membrane
05/05/1990CA2001291A1 Mixing apparatus and method
05/03/1990WO1990004451A1 Filtration systems
05/02/1990EP0365961A1 Device for carrying out membrane separation processes
05/01/1990US4921610 Cleaning of hollow fibre filters
05/01/1990US4921603 Anti-clogging apparatus and method for maximal flux and prolonged filtration time
04/1990
04/25/1990EP0364542A1 An electronic controller for a water purifying unit.
04/25/1990CA2000050A1 Apparatus for carrying out membrane separation processes
04/24/1990US4920193 Polyhenylene ether, polysulfone
04/24/1990CA1268112A1 Sterilant compositions
04/18/1990CN1007621B Method and equipment for membrane cleaning under reduced pressure
04/11/1990CN1041113A Prevention of membrane degradation
04/04/1990EP0361814A2 Fluid treatment system having low affinity for proteinaceous materials
04/04/1990CN1041002A Fliod fluid decontamination system
03/1990
03/28/1990CN1040753A Apparatus for preparation of machining liquid for electroerosion machine
03/28/1990CN1040752A Apparatus for preparing the machining liquid of electroerosion machine
03/28/1990CN1040751A Apparatus for preparing machining liquid of electroerosion machine
03/27/1990US4911840 Closed housing; hollow cylinder filter; seal
03/21/1990EP0359359A1 Fluid decontamination system
03/21/1990EP0358915A2 Prevention of membrane degradation
03/20/1990US4909937 Tubular filter enclosed in housing
03/15/1990DE3830182A1 Method for cleaning capillary fibres built into a dialysis filter
03/06/1990US4906371 Filter element having microporous membrane
03/06/1990US4906362 Arrangement in membrane filter
03/06/1990CA1266443A1 Filtration method and apparatus
03/01/1990DE3927291A1 Reverse osmosis membrane for water purificn. - is flushed free of deposits by applying pressurised raw water with very short intervals
02/1990
02/28/1990EP0355633A1 Device for the treatment of the machining liquid of an electroerosion machine
02/28/1990EP0355632A1 Method for the treatment of the machining liquid of an electroerosion machine
02/28/1990EP0355631A1 Device for the treatment of the machining liquid of an electroerosion machine
02/27/1990US4904394 Method for selective filtering of a fluid using porous piezoelectric material
02/20/1990US4902418 Element having a porous wall
02/13/1990US4900443 Casting dope of resin, pore modifier, precipitant and solvent; phase inversion
02/07/1990EP0177564B1 Method and apparatus for filtration
02/06/1990US4898667 Point-of-use membrane filtration system
01/1990
01/31/1990EP0352902A2 Mixing apparatus and method
01/31/1990EP0352540A2 Closure cap for dialysers
01/30/1990US4897184 Fluid flow apparatus control and monitoring
01/23/1990US4895658 Membrane cleaning compositions containing acrylic polymer
01/17/1990EP0351363A1 Filtration process, use of stabilization aids, plant for a filtration process and process for running this plant
01/11/1990WO1990000069A1 Apparatus and method for the autotransfusion of blood
12/1989
12/28/1989WO1989012676A1 Culture device and method
12/19/1989CA1263903A1 Hollow fiber for dialysis and method for manufacture thereof
12/14/1989WO1989011899A1 Tandem hollow fiber cell culture product harvest system
12/12/1989US4886600 Hollow fiber bundle sealed within casing; medical equipment
12/07/1989DE3917856A1 Measuring device forming part of a test device for filter systems, test device and test method
12/07/1989DE3818437A1 Filter battery
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