Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
04/1998
04/08/1998EP0834328A1 Dialysis machine with means for decalcification of the dialysate circuit and method for determining its degree of calcification
04/08/1998EP0833687A1 Method and device for treating water according to the principle of reversed osmosis
04/08/1998EP0675761B1 Method and installation for treating an aqueous solution by ion exchange
04/08/1998CN1178480A Filtration monitoring and control system
04/07/1998US5736053 Contacting liquid hydrocarbon with activated carbon which has been activated with gas comprising specified amount of water vapor
04/07/1998US5736050 Currents in narrow pores
04/07/1998US5736023 Polarity reversal and double reversal electrodeionization apparatus and method
04/03/1998CA2217626A1 Electrochemical process for purifying hydroxide compounds
04/03/1998CA2217625A1 Process for purifying hydroxide compounds
04/02/1998WO1998013131A1 System for filtering medical and biological fluids
04/02/1998WO1997046305A3 Improved water treatment system
04/01/1998EP0832676A1 Process and device for filtering fine particles in fluids
04/01/1998EP0832108A1 Process for recovering water-insoluble compounds from a fermentation broth
04/01/1998EP0832097A1 A system and method for the modification and purification of peptides
03/1998
03/31/1998US5734944 Apparatus for rejuvenating developer in printing plate development
03/31/1998US5733449 Microconcentrator device
03/31/1998US5733442 Microdialysis/Microelectrodialysis system
03/31/1998US5733435 Pressure driven solid electrolyte membrane gas separation method
03/31/1998US5733434 Apparatus and method for cleaning semiconductor wafers
03/31/1998US5733431 Method for removing copper ions from copper ore using organic extractions
03/26/1998WO1998011987A1 Electrodeionization apparatus and method
03/26/1998WO1998011980A1 Membrane system for treating sanitary wastewater
03/26/1998WO1998011979A1 Motor-driven reverse-osmosis pumping device
03/26/1998CA2266637A1 Membrane system for treating sanitary wastewater
03/25/1998EP0678051B1 Currents in narrow pores
03/25/1998CN1176937A Devcie for controlling effluent of water purifier
03/24/1998US5731164 method of checking the rate of removal of pyrogenic substances, in particular viruses, from organic material
03/24/1998US5730876 Separation and purification of low molecular weight chitosan using multi-step membrane separation process
03/24/1998US5730779 Fluorochemical recovery and recycle using membranes
03/24/1998US5730712 Extracorporeal blood treatment apparatus and method
03/19/1998WO1998011050A1 Process for preparing methacrylic or acrylic esters
03/19/1998WO1998010856A1 Method and apparatus for reducing membrane fouling
03/19/1998WO1998010853A1 Thin, pliable polymeric film for sealing microplates
03/19/1998WO1998010852A1 Supported liquid membrane separation
03/18/1998EP0828552A1 Process for recovery of metal ions
03/18/1998CN1037750C 净水器 Water Purifier
03/17/1998US5729629 Handwritten symbol recognizer
03/17/1998US5728914 Method and apparatus for disposing of organic halogen compounds
03/17/1998US5728305 Waste water purification system
03/17/1998US5728267 Does not concentrate sample to dryness
03/12/1998WO1998009718A1 Modular filtration system
03/12/1998WO1998009717A1 Shear separation method and system
03/11/1998CN1175591A Method of producing hydrosolubles polymers, polymers thus obtained and uses of same
03/11/1998CN1037698C Process for purifying refined enzyme of papainase
03/10/1998USRE35741 Process for purifying water
03/10/1998US5726026 Mesoscale sample preparation device and systems for determination and processing of analytes
03/10/1998US5725777 Reagent/drug cartridge
03/10/1998US5725776 Methods for ultrafiltration control in hemodialysis
03/10/1998US5725773 Method and apparatus for determining the quantity of oremic toxins removed by a hemodialysis treatment
03/10/1998US5725758 Filtration system and assembly
03/10/1998US5725749 From a mixture with lactose
03/10/1998US5725748 Process and installation for treating cellulose waste lye
03/10/1998US5725743 Electrode system and use in electrolytic processes
03/05/1998WO1998009002A1 Preparation of onium hydroxides in an electrochemical cell
03/05/1998WO1998008606A2 Devices incorporating filters for filtering fluid samples
03/05/1998WO1998008594A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof
03/04/1998EP0826776A1 Alternative process for producing 6-amino-penicillanic acid (6-apa)
03/04/1998EP0826413A1 Method for producing filter elements and the filter elements thus produced
03/04/1998EP0826412A2 Method for producing filter elements and the filter elements thus produced
03/04/1998EP0825894A1 Dehydration and purification of isopropyl alcohol
03/04/1998EP0825879A1 Process for the depyrogenation of injectable pharmaceutical solutions
03/04/1998EP0756514B1 Diaphragm separator with cooling device
03/03/1998US5723662 Process for preparing a particularly pure glycolic acid
03/03/1998US5723047 Compressible filter element peripherally sealed by a settable material
02/1998
02/26/1998WO1998007901A1 Device for cleaning a contaminated capillary and porous medium
02/26/1998WO1998007900A1 Method for removing copper ions from copper ore using organic extractants
02/26/1998WO1998007491A1 Method and apparatus for extracting metal ions from aqueous solutions
02/26/1998DE19702441C1 Dialysis recirculation monitoring
02/26/1998DE19634028A1 Appliance for water desalination with reservoir and treated water container
02/25/1998EP0824503A1 Waste water treatment process for producing high yields of drinking water
02/25/1998EP0669898B1 Method for removing at least one constituent from a solution
02/24/1998US5720874 Ultrafiltration assembly having centrifugal pump and eductor
02/24/1998US5720865 Process for the preparation of keto compounds
02/24/1998US5720411 Pressure vessels and end closures therefor
02/22/1998CA2213509A1 Filtration system and assembly
02/19/1998WO1998006483A1 Method and apparatus for high efficiency reverse osmosis operation
02/18/1998EP0823861A1 Fluid separation device
02/18/1998EP0823860A1 Membrane filtration with optimized performance
02/18/1998CN1173532A Method for reducing bacterial content of fat composition
02/18/1998CN1173510A Reduction of microfoam in spray applied thermoplastic coatings
02/18/1998CN1173484A Process for preparing aldehydes
02/18/1998CN1173390A Method for prepn. of ultra filtering silica membrane used for seawater desalination
02/12/1998WO1998005429A1 Wet process for the classification of super fines
02/12/1998DE19702902C1 Efficient cylindrical membrane separator with integral electrical circulation pump, suitable for portable use
02/12/1998DE19700761C1 Industrial washing machine cross-flow filter assembly
02/11/1998CN1172773A Dropped water disposer for water dispenser
02/10/1998US5717081 Glycosidation of saccharides or polysaccharides with an alcohol or reglycosiation of lower alkylglycoside with higher alcohol in presence of acid catalyst
02/10/1998US5716531 Measuring electroconductivity
02/10/1998US5716526 Filtration through filter of ceramic substrate and membrane, both having controlled porosity
02/10/1998US5716512 Electodialysis in multicompartment cell to transport anions of first electrolyte salt into anolyte containing cations of dissolved metal anode while maintaining anolyte acidity to prevent hydroxide formation
02/05/1998DE19700044C1 Two stage, monopolar and bipolar electrodialysis process achieving reduced energy consumption
02/05/1998DE19631466A1 Verfahren zur Naß-Feinstkornklassierung Method for wet Feinstkornklassierung
02/05/1998DE19630826A1 Treating contaminated water e.g. in swimming pools
02/04/1998EP0822203A2 The reduction of microfoam in spray applied thermoplastic coatings and coating composition therefor
02/04/1998EP0821997A1 Device for comminuting heterogeneous components of a fluid medium that will circulate in a filtration module
02/04/1998EP0821996A1 Fluid processing module with a rigid membrane and process for its use
02/04/1998EP0821615A1 Nanofiltration of concentrated aqueous salt solutions
02/04/1998CN2273703Y Filtering apparatus for drinking water
02/03/1998US5714521 Ion exchange particles embedded in an inert matrix having layer of hydrophilic crosslinked polymer bearing fixed electric charges; anti-polarizing and anti-fouling properties
02/03/1998US5714073 Passing fluid through fibrous nonwoven web of polyamideether copolymer
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