| 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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| 01/20/2000 | WO2000002650A1 Bridge apparatus for replacing a separation module and system including the same |
| 01/12/2000 | EP0970922A2 Method for methane fermentation of organic waste |
| 01/12/2000 | EP0970167A1 Surface-cleaning method |
| 01/05/2000 | EP0968755A2 Hydrostatic pressure plant for separation/concentration/desalination of liquids, in particular sea or brackish water, via reverse osmosis |
| 01/05/2000 | EP0823861B1 Fluid separation device |
| 12/29/1999 | EP0966319A1 Portable reverse osmosis unit for producing drinking water |
| 12/29/1999 | EP0696259B1 Apparatus for the treatment of waste water |
| 12/28/1999 | US6007723 For processing fluid for separating any component mixed or dissolved in a fluid and a method for producing a separated fluid; apparatus for processing fluid which does not require any complicated manifolds |
| 12/28/1999 | US6007710 Reverse osmosis membrane housing with integral wide-area check valve and shut-off valve, optional pressure gauge, and optional large-volume high-flow membrane cartridge |
| 12/23/1999 | WO1999065594A1 Spiral reverse osmosis membrane element, reverse osmosis membrane module using it, device and method for reverse osmosis separation incorporating the module |
| 12/22/1999 | EP0965377A1 Device for filtering a liquid and method for disinfecting such a device |
| 12/22/1999 | CN1239007A Membrane treatment process and membrane treatment appts. |
| 12/19/1999 | CA2275158A1 Device for filtering a liquid and method for disinfecting such a device |
| 12/16/1999 | WO1999064506A1 η-RAY STABILIZER AND THERMOPLASTIC POLYMER COMPOSITION CONTAINING THE SAME |
| 12/16/1999 | DE19826161A1 Membranelement und Verfahren zu seiner Herstellung Membrane element and process for its preparation |
| 12/15/1999 | EP0963954A2 Method and an apparatus of membrane separation |
| 12/15/1999 | EP0963783A1 Membrane element and process for its manufacture |
| 12/15/1999 | EP0963240A1 Technique for testing and coating a microporous membrane |
| 12/15/1999 | EP0963239A1 Module made of at least two-type hollow fibres, and production of same |
| 12/14/1999 | US6001254 The filter membranes disposed in bundles within filter modules has made it possible to implement mobile installations suitable for filtering water in event of fixed installation failing or an emergency |
| 12/14/1999 | US6001244 Performance water purification system |
| 12/07/1999 | US5997743 Water treatment method using hollow fiber membrane and apparatus therefor |
| 11/25/1999 | WO1999059693A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/25/1999 | CA2332245A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/24/1999 | EP0958852A1 Device and method for detecting leakage of filter film |
| 11/24/1999 | CN1236330A Method and apparatus for high efficiency reverse osmosis operation |
| 11/23/1999 | US5989432 Filter membrane adhered to a support material by an interlayer of nonwoven web of multicomponent fibers |
| 11/23/1999 | CA2168629C Modular home dialysis system |
| 11/18/1999 | WO1999058231A1 Hollow fiber type membrane module |
| 11/16/1999 | US5985160 Supplying fluid into small gap between two rectangular plates with one or both supporting a porous filtration membrane within the gap, rapidly oscillating opposing plate ends to continuously change gap width gradient, separating permeate |
| 11/16/1999 | US5985151 Method and apparatus of membrane separation |
| 11/16/1999 | US5985146 Sanitary rigid shell spiral wound element |
| 11/11/1999 | WO1999042203A3 Method and device for the treatment and/or pretreatment of liquids to be treated by means of a membrane filtration device |
| 11/11/1999 | DE19832658C1 Filter for sterile applications |
| 11/11/1999 | DE19818094A1 Ultrafiltration membrane assembly for industrial water effluent |
| 11/10/1999 | EP0954371A1 Improved microporous membrane filtration assembly |
| 11/09/1999 | US5980751 Air lift pump for membrane separation unit |
| 11/09/1999 | US5980709 Method of defining an electrode area |
| 11/04/1999 | WO1999055448A1 Automatic cleaning system for a reverse osmosis unit in a high purity water treatment system |
| 11/04/1999 | WO1999055447A1 Joint structure for filtration membrane module |
| 11/03/1999 | EP0952885A1 Scouring method |
| 11/03/1999 | EP0820344B1 Method for operating and controlling a bank of filtration membrane modules, and bank of modules therefor |
| 11/03/1999 | CN1233973A Improved microporous membrane filtration assembly |
| 11/03/1999 | CN1233972A Modular filtration system |
| 11/02/1999 | US5976380 Article of manufacture including a surface modified membrane and process |
| 10/28/1999 | WO1999054025A1 Apparatus for aseptic vortex flow concentration |
| 10/28/1999 | WO1999054019A1 Rotary filtration device with flow-through inner member |
| 10/28/1999 | CA2288068A1 Apparatus for aseptic vortex flow concentration |
| 10/27/1999 | EP0951935A2 Method and apparatus of regenerating flat membrane modules for activated sludge |
| 10/27/1999 | EP0951934A1 Filtration and separation apparatus for fluids having at least one permeate outlet |
| 10/27/1999 | EP0951933A2 Method and apparatus for membrane filtration of liquids |
| 10/27/1999 | EP0951447A2 Treatment of water |
| 10/27/1999 | CN1232718A Fluid separation element assembly |
| 10/26/1999 | US5972293 Aqueous compositions for making ultrapure water used in microelectronic device fabrication processes and methods of sterilizing ultrapure water delivery systems using the same |
| 10/21/1999 | WO1999052618A2 Filter for removing solids from liquids |
| 10/21/1999 | CA2328873A1 Filter for removing solids from liquids |
| 10/20/1999 | EP0949951A1 Method and apparatus for treatment of liquid |
| 10/20/1999 | EP0863793B1 Method for cleaning an immersed-membrane filtration apparatus |
| 10/20/1999 | EP0519028B1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 10/20/1999 | CN1232408A Water filtration device and method of its manufacture |
| 10/20/1999 | CN1231940A Missing yarn examination method for hollow fibre composite membrane separator |
| 10/19/1999 | US5968358 Method for washing hollow fiber membrane |
| 10/19/1999 | US5968355 Spindle support of shed-resistant medical grade usp material, rotor |
| 10/14/1999 | WO1999051329A1 A filtration device and a screening device |
| 10/14/1999 | DE19812286A1 Continually-operated filter surrendering filtrate for automatic analysis |
| 10/13/1999 | EP0948391A1 Shear localized filtration system |
| 10/13/1999 | EP0689585B1 Beer clarification process by crossflow-microfiltration |
| 10/12/1999 | US5965027 Process for removing silica from wastewater |
| 10/07/1999 | WO1999050186A1 Device and method for molecular polarization in water |
| 10/06/1999 | EP0947237A1 Apparatus for separating liquid media containing impurities |
| 10/06/1999 | EP0947018A1 Method and apparatus for detecting and locating perforations in membranes employed in electrochemical cells |
| 10/06/1999 | EP0946269A1 Inhibition and delay of deposit formation in membrane processes |
| 10/06/1999 | EP0946268A1 Method and apparatus for high efficiency reverse osmosis operation |
| 10/06/1999 | EP0946253A1 Filtering device with open-ended filter tubes |
| 10/06/1999 | CN1230985A Method for producing cold-filtered beer |
| 09/29/1999 | EP0892669A4 Torsion resistant filter structure |
| 09/29/1999 | EP0863792B1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 09/28/1999 | US5958243 Apparatus and method for membrane filtration with enhanced net flux |
| 09/28/1999 | US5958242 In situ filter cleaning |
| 09/23/1999 | WO1999047189A1 Modular combined pump, filtration, oxygenation and/or debubbler apparatus |
| 09/23/1999 | CA2323532A1 Modular combined pump, filtration, oxygenation and/or debubbler apparatus |
| 09/22/1999 | EP0943367A1 Fluid separation element |
| 09/22/1999 | EP0942778A1 Method of manufacturing polyester using crossflow membrane filtration |
| 09/16/1999 | DE19811945A1 Cross-flow membrane filter for municipal water treatment plant |
| 09/15/1999 | EP0942251A2 A thermoplastic, unibody transfer device |
| 09/15/1999 | EP0941758A1 Contactor comprising a shell made of fiber-reinforced, composite body having a fluoropolymer inner surface, and method of making such contactor |
| 09/14/1999 | CA2007253C Method for in-situ repair of solvent dewaxing filter cloths |
| 09/13/1999 | CA2262152A1 Fiber-reinforced, composite body contactors |
| 09/13/1999 | CA2233651A1 Apparatus for the treatment of liquids including foreign substances |
| 09/10/1999 | WO1999044728A1 Method for controlling the integrity of hollow fibre filtering modules |
| 09/10/1999 | CA2321885A1 Method for controlling the integrity of hollow fibre filtering modules |
| 09/09/1999 | DE19806796A1 Verfahren und Vorrichtung zur Behandlung und/oder Vorbehandlung von mittels einer Membranfiltereinrichtung zu behandelnden Flüssigkeiten Method and apparatus for the treatment and / or pretreatment of using a membrane filter means liquids to be treated |
| 09/08/1999 | CN1228117A Method for producing cold-filtered beer |
| 09/02/1999 | WO1999043767A1 Device and method for processing crude oil |
| 09/02/1999 | WO1999033551A8 Methods to remove metals from water |
| 09/02/1999 | CA2321990A1 Crude oil processing apparatus and crude oil processing method |
| 09/01/1999 | EP0938367A1 Water filtration device and method of its manufacture |
| 09/01/1999 | EP0938365A1 Shear separation method and system |
| 09/01/1999 | EP0690744B1 Membrane |
| 08/31/1999 | US5945192 Sealing assembly for a solid polymer ion exchange membrane |