Patents
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
08/1995
08/19/1995CA2142761A1 Apparatus for filtering and separating fluids by filter elements of the type of membrane cushions
08/17/1995WO1995021687A1 A method for concentrating a solute with an oscillating filtration device
08/17/1995WO1995021686A1 Pump/oxygenator with blood recirculation
08/17/1995CA2158141A1 A method for concentrating a solute with an oscillating filtration device
08/16/1995EP0666774A1 Fibre monitoring system
08/16/1995EP0666773A1 Cross-flow microfiltration process
08/16/1995EP0514421B1 Process for depleting viruses in solutions and for determining the depletion rate of the viruses
08/01/1995US5437787 Adsorption/reaction equipment
07/1995
07/27/1995WO1995020038A1 Beer clarification process by crossflow-microfiltration
07/27/1995CA2158071A1 Beer clarification process by crossflow-microfiltration
07/26/1995EP0663852A1 Process for cleaning the filter modules of a plant for purifying liquids
07/20/1995DE4401456A1 Verfahren zum Klären von Bier mit Hilfe der Crossflow-Mikrofiltration A method for clarifying beer using crossflow microfiltration
07/18/1995US5433861 Permanent deformation and use of sulfonated halopolymer articles
07/13/1995WO1995018671A1 Hemofiltration and plasmafiltration devices and methods
07/13/1995CA2180455A1 Hemofiltration and plasmafiltration devices and methods
07/12/1995EP0662387A2 Wrapping pipe for a bundle of hollow fibers, method and device for production thereof
07/12/1995EP0662341A1 Filtration membrane module
07/04/1995US5429742 Plastic frame filter unit for a stack assembly
06/1995
06/29/1995WO1995017241A1 In situ cleaning system for fouled membranes
06/29/1995DE4404808C1 Transverse-flow micro-filtration surface assembly movable sepn. wall formed as tube
06/28/1995EP0659694A1 Membrane bioreactor with gas lift system
06/22/1995WO1995016508A1 Rotor for a dynamic filter system
06/22/1995CA2178484A1 Rotor for a dynamic filter system
06/21/1995CN2201170Y Liquid separation purifier
06/14/1995EP0623048A4 Priming system.
06/01/1995WO1995014525A1 Process for the partial modification of porous hydrophylic filter membranes
06/01/1995WO1995014524A1 Improved membrane type liquid purification system
06/01/1995DE4340529A1 Oil and water sepn. by ultra filtration and reverse osmosis
05/1995
05/31/1995EP0655418A1 Submerged membrane filter plant for producing drinking water
05/31/1995EP0655268A2 Filter for continuous filtering liquids which contain solids in a closed cylindrical container
05/24/1995EP0654059A1 Copolymers of polyaspartic acid
05/23/1995US5417101 Method and apparatus for testing the integrity of filter elements
05/17/1995EP0653240A1 Filtration film element and method of manufacturing the same
05/16/1995US5415781 Multicompartment filter membranes
05/11/1995WO1995012449A1 Method and apparatus for removing air locks within manually operated micro-filtration devices
05/11/1995DE4413640C1 Process for membrane filtration of waste water
05/10/1995EP0651660A1 Centrifugal blood pump
05/04/1995WO1995011736A1 Method and apparatus for recovering water from a sewer main
05/02/1995US5411706 Heart/lung machine for processing blood during surgery
05/02/1995US5411682 Method and apparatus for detecting the position of defect in a hollow fiber membrane module
05/02/1995US5411662 Fluid separation assembly having an purge control valve
05/02/1995US5411650 Recovering ions from pressurized stream; spiral
04/1995
04/25/1995US5409613 Recycling and recovery of aqueous cleaner solutions and treatment of associated rinse water
04/20/1995WO1995010349A1 Methods for reprocessing dialyzers
04/20/1995DE4340318C1 Method for regenerating a cleaning fluid and apparatus for the industrial cleaning of workpieces by means of a cleaning fluid
04/12/1995EP0647465A1 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
04/12/1995EP0647464A2 Spiral filtration module having bypass prevention flange
04/11/1995US5405528 Modular microporous filter assemblies
04/04/1995US5403489 Preventing pore-plugging; analyzing pesticdies, pollutants in rivers, waste water
04/04/1995US5403479 In situ cleaning system for fouled membranes
03/1995
03/30/1995WO1995008386A1 Process and device for filtering fluids by means of mf modules
03/29/1995EP0645174A1 Method for the removal of components causing turbidity, from a fluid, by means of microfiltration
03/28/1995CA1334913C Fluid treatment system having low affinity for porteinaceous materials
03/22/1995EP0644160A2 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems
03/22/1995EP0643677A1 Process for producing and processing wash water in a washing installation, and washing installation.
03/22/1995EP0643615A1 Conditioning process and device for producing pure water.
03/16/1995DE4413362C1 Membrane separation apparatus having cooling apparatus
03/14/1995US5397462 Filter with laterally removable element and valve means
03/09/1995WO1995006515A1 Apparatus and method for testing hydrophobic filters
03/09/1995DE4413081C1 Process and apparatus for testing the integrity of filter elements in areas having particular safety requirements
03/08/1995EP0641248A1 Cassette membrane system and method of use for low pressure separations.
03/08/1995EP0641247A1 Hollow fiber filter cartridge and method of manufacture.
03/08/1995EP0641246A1 Concentration of solids in a suspension using hollow fibre membranes
03/07/1995US5395636 Method of pretreating a porous medium
03/07/1995US5395525 Apparatus for exchanging substances
03/07/1995EP0654059A4 Copolymers of polyaspartic acid.
03/02/1995WO1995005889A1 Heat-sterilizable coil-wound membrane-filter cartridge
03/01/1995EP0640822A2 Integrity test for porous structures using acoustic emission
02/1995
02/28/1995US5393433 Method using separation membranes to treat a fluid containing matter in suspension and in solution
02/21/1995US5391642 Reacting aspartic acid with polyamine, then salt formation with hydroxide
02/16/1995DE4412284C1 Membrane monitoring in the reverse osmosis process
02/15/1995EP0638798A1 Electrically testing the integrity of membranes
02/15/1995EP0637989A1 Device and method for extracorporeal blood treatment
02/15/1995EP0487576B1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices
02/14/1995US5389260 Used for water filtration system; increased capacity of assambly and reduced chances of failure and leakage
02/14/1995CA1334395C Apparatus for separating cell suspension
02/02/1995DE4325786A1 Process for purifying glycerol water
02/01/1995EP0636402A2 Method of pretreating a porous medium
01/1995
01/27/1995CA2111318A1 Method of pretreating a porous medium
01/27/1995CA2102872A1 Method of treating a clogged porous medium
01/26/1995WO1995002443A1 Device and method for processing biological fluid
01/25/1995EP0635299A1 Captive vortex high agitation device
01/25/1995EP0289523B1 Cleaning of filters
01/25/1995CN1097647A Selective clogging of failed fibers
01/14/1995CA2110569A1 Device and method for separating plasma from a biological fluid
01/11/1995EP0364542B1 An electronic controller for a water purifying unit
01/05/1995WO1995000231A1 Dynamic filter system
01/05/1995WO1995000224A1 Solid phase extraction method and apparatus
01/05/1995CA2165963A1 Dynamic filter system
12/1994
12/28/1994EP0630655A2 Process for producing a blood dialyzer
12/22/1994WO1994029007A1 Process for cleaning the filter modules of a plant for purifying liquids
12/22/1994CA2141846A1 Process for cleaning the filter modules of a plant for purifying liquids
12/20/1994US5374356 Purifying wastewater
12/20/1994US5373620 Method of forming PTFE membrane/gasket assembly
12/14/1994EP0628334A1 Filter device and cartridge for fluid filtration and method of secure replacement of a filter cartridge in a corresponding device
12/13/1994US5372722 For separation of oil and fat from liquid mixture of cleaning or degreasing solutions; compactness, heat resistance
12/08/1994DE4339810C1 Process for the partial modification of porous, hydrophilic filter membranes, post-treated filter membranes and filtration modules fitted therewith, in particular filter candles
12/07/1994EP0627255A1 Selective clogging of failed fibers
12/07/1994CN1095964A Cassette membrene system and method of use for low pressure separations
12/06/1994US5370793 Circulating fluid purification apparatus and pool water purifying system using the same
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