| 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) |
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| 03/01/1994 | US5290452 Crosslinked polyester amide membranes and their use for organic separations |
| 03/01/1994 | US5290443 Faucet with microbial filter |
| 03/01/1994 | US5290442 Self-contained, purified drinking water refrigerator storage apparatus |
| 03/01/1994 | US5290404 Electrolysis and hydrolysis |
| 02/27/1994 | CA2094103A1 Waste treatment process for removal of contaminants from aqueous, mixed-waste solutions using sequential chemical treatment and crossflow microfiltration, followed by dewatering |
| 02/23/1994 | EP0583957A2 Fluorinated polyolefin membranes for aromatics/saturates separation |
| 02/22/1994 | US5288712 Pervaporation process employing permeate recycle |
| 02/22/1994 | US5288385 Supported, mechanically stable bipolar membrane for electrodialysis |
| 02/22/1994 | US5288378 Guard membranes for use in electrodialysis cells |
| 02/22/1994 | CA2104535A1 Method of producing acids and alkalis |
| 02/17/1994 | WO1994003419A1 Improved process for separating and recovering halocarbons from mixtures thereof |
| 02/17/1994 | WO1994003397A1 Improvement to membrane type deaerator |
| 02/16/1994 | EP0583234A2 Solid poly-amphiphilic polymer having use in a separation process |
| 02/16/1994 | EP0582638A1 A vacuum clamped multi-sample filtration apparatus and method |
| 02/16/1994 | EP0582632A1 Process and apparatus for removal of h 2?s from gaseous streams using membrane purification of recycle solution |
| 02/15/1994 | CA2100643A1 Fluorinated polyolefin membranes for aromatics/saturates separation |
| 02/11/1994 | CA2100002A1 Spiral wound separation device and method of making same |
| 02/10/1994 | DE4225848A1 Rinsing plant for cleaning tools handling liq. lacquer - has collector line from used rinsing solution outlet to its collecting container, which is then fed to regeneration stage |
| 02/09/1994 | CN1081649A A process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
| 02/08/1994 | US5284589 Process for the treatment of effluent |
| 02/08/1994 | US5284424 Osmotic water purification pumping system with flush valve |
| 02/02/1994 | CN2154856Y Water treatment apparatus for prepn. of activated water |
| 02/01/1994 | US5282972 Pressure differentials |
| 02/01/1994 | US5282971 Cationic polymers having quaternary ammonium group covalently bonded to membrane surface as graft copolymers; permselectivity |
| 02/01/1994 | US5282969 High pressure feed membrane separation process |
| 02/01/1994 | US5282968 Process for separating and recovering halocarbons from mixtures thereof |
| 02/01/1994 | US5282939 Removal of salts by electrodialysis |
| 02/01/1994 | US5282935 Electrodialytic process for producing an alkali solution |
| 02/01/1994 | CA1326637C Method and plant for separation of synthetic water soluble polymers |
| 01/30/1994 | CA2100647A1 Multi-element housing |
| 01/29/1994 | CA2080939A1 Fluid treatment process using dynamic microfiltration and ultrafiltration |
| 01/27/1994 | DE4224690A1 Membrane sepn. process for solns. with temp. and/or pressure controlled recovery of solute - by cooling retentate stream to supersaturation or reduced pressure flashing |
| 01/26/1994 | EP0579793A1 Method of manufacturing a non-alcoholic drink with a reduced sugar content. |
| 01/26/1994 | CN2154117Y Hyaline membrane industry filter blanket |
| 01/26/1994 | CN1081120A Equipment and technology for preparing organic acid with bipolar film electrodialysis method |
| 01/25/1994 | US5281430 Osmotic concentration apparatus and method for direct osmotic concentration of fruit juices |
| 01/25/1994 | US5281337 Membrane separation process |
| 01/25/1994 | US5281318 Process for processing a waste etching solution containing a fluorine component and an ammonia component to recover valuables therefrom |
| 01/25/1994 | US5281317 Electrodialytic water splitting process for removing SO2 from gases |
| 01/25/1994 | US5281311 Neutralization of a solution of hydroxylamine salt and acid, electrolysis, oxidation and reduction |
| 01/25/1994 | US5281254 Separation of gases, venting membrane, pressure swing adsorption |
| 01/25/1994 | US5281253 Multistage membrane control system and process |
| 01/25/1994 | CA1326468C Membrane electrode device for electrodeposition coating |
| 01/25/1994 | CA1326456C Blended fiber dialyzers |
| 01/20/1994 | WO1994001208A1 Device for electroosmotically dewatering loaded materials, and related operating methods |
| 01/20/1994 | WO1994001207A1 Membrane filtration system |
| 01/20/1994 | WO1994001193A1 Automated system and method for processing biological fluid |
| 01/20/1994 | WO1993020012A3 Electrodialyzer and process for desalination |
| 01/20/1994 | CA2140141A1 Automated system and method for processing biological fluid |
| 01/19/1994 | CN2153542Y Ultrafiltration mineral water magnetizing drinking device |
| 01/18/1994 | US5279718 Method of electroosmotically dehydrating sludge |
| 01/14/1994 | CA2099835A1 Membrane-based process for the recovery of lactic acid and glycerol from a corn thin stillage" stream |
| 01/12/1994 | EP0578182A2 Electro-endosmosis type dehydrator |
| 01/11/1994 | US5277821 Analytical apparatus |
| 01/11/1994 | US5277820 Device and method for extracorporeal blood treatment |
| 01/11/1994 | US5277817 Purification |
| 01/05/1994 | EP0577213A1 Process for the preparation and purification of a hydroxylammonium salt solution |
| 01/05/1994 | EP0577207A1 Process for the manufacture of an aqueous solution of sodium hydroxide |
| 01/05/1994 | EP0577100A1 Process for reducing the acid content of hydroxylamine salt solutions and for preparing hydroxylamines from hydroxylamine salts |
| 01/05/1994 | EP0576752A1 Water purifying system |
| 01/05/1994 | EP0576677A1 Apparatus for exchanging substances |
| 01/05/1994 | EP0576659A1 Rectifying dialyzer, membrane and process |
| 01/05/1994 | EP0576602A1 A device and a method for separating liquid samples. |
| 01/05/1994 | DE4320629A1 Appts. for recovery of solvents from output air - involves membrane pervaporation as dividing layer, with air absorbed in viscous organic fluid |
| 01/05/1994 | DE4222089A1 Dissolved matter sepn. appts. from liq., e.g. waste water - comprises membrane and retentate purificn. stage delivered to stripping type desorption stage, for discharge to environment and direct recycling of recovered matter |
| 01/05/1994 | CN1080204A Process for concentrating aqueous solution of clavulanate |
| 01/04/1994 | US5276244 Separation of aluminum alkyls from olefins using modified inorganic membranes |
| 01/04/1994 | US5275736 Barriers impervious to solids for iodine |
| 01/04/1994 | CA2098344A1 Process for the production of an aqueous sodium hydroxide solution |
| 01/04/1994 | CA2073099A1 Separation of organic oxygenates |
| 01/02/1994 | CA2094758A1 Process for reducing the acid content of hydroxylamine salt solutions and for preparing hydroxylamines from hydroxylamine salts |
| 12/29/1993 | EP0576157A2 In situ cleanable electrically conducting filter |
| 12/29/1993 | EP0575360A1 Process of concentration and purification of organic compounds. |
| 12/29/1993 | EP0460122B1 Process for non-polluting spray painting with a dispersion of oven-drying paint in water |
| 12/28/1993 | US5274047 Semipermeable composite membrane, a process for the manufacture thereof, as well as application of such membranes for the separations of components in an organic liquid phase or in the vapor phase |
| 12/28/1993 | US5273637 Electrodeposition coating system |
| 12/23/1993 | WO1993025653A1 Process and composition for cleaning |
| 12/23/1993 | WO1993025514A1 Method for the simultaneous preparation of dicarboxylic acids and diamines from polyamides |
| 12/23/1993 | WO1993025513A1 Method for the simultaneous preparation of dicarboxylic acids and diamines by decomposing polyamides into their constituent monomers |
| 12/23/1993 | WO1993025327A1 Method for separating components of liquids in industrial process |
| 12/23/1993 | WO1993025299A1 Electrochemical method for the preparation of dicarboxylic acids |
| 12/23/1993 | WO1993025298A1 Process for ultrafiltration of stabilized emulsions |
| 12/23/1993 | WO1993025293A1 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions |
| 12/23/1993 | DE4219758A1 Verfahren zur elektrochemischen Herstellung von Dicarbonsäuren A method for the electrochemical production of dicarboxylic acids |
| 12/23/1993 | DE4219757A1 Verfahren zur gleichzeitigen Herstellung von Dicarbonsäuren und Diaminen aus Polyamiden A process for the simultaneous production of dicarboxylic acids and diamines from polyamides |
| 12/23/1993 | DE4219756A1 Verfahren zur gleichzeitigen Herstellung von Dicarbonsäuren und Diaminen durch Spaltung von Polyamiden in ihre monomeren Bestandteile A process for the simultaneous production of dicarboxylic acids and diamines by cleavage of polyamides into their monomeric constituents |
| 12/23/1993 | CA2137767A1 Process and composition for cleaning |
| 12/23/1993 | CA2136011A1 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions |
| 12/22/1993 | EP0574699A2 Cellulose acetate dialysis membrane |
| 12/22/1993 | EP0570384A4 Back flushable filtration device and method of forming and using same |
| 12/22/1993 | CN2150200Y Domestic wall-type super-purifying device for water |
| 12/21/1993 | US5272733 Control rod driving system |
| 12/21/1993 | US5271846 Method for separating a liquid component from a solution containing two or more liquid components |
| 12/21/1993 | US5271842 Contaminant removal system and process |
| 12/21/1993 | US5271830 Water treatment installation for a tangential filtration loop |
| 12/21/1993 | US5271773 Process for cleaning articles with an aqueous solution of terpene and recycle water after separation |
| 12/21/1993 | CA2043633C Multi-sample filtration plate assembly |
| 12/15/1993 | EP0344188B1 Process for the recovery of alcohols using an organic acid-modified polymer membrane |
| 12/15/1993 | EP0336961B1 Purified water supply system |
| 12/14/1993 | US5269934 Gelation agent |