| 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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| 10/06/1992 | US5152899 Purification of carboxylic acid salt solutions by permeation through semipermeable membrane of polymeric perfluorosulfonic acid salts |
| 10/06/1992 | US5152898 Separation of organic oxygenates |
| 10/06/1992 | US5152897 Method for the purification of a bifidobacteria-proliferating substance |
| 10/06/1992 | CA2048483A1 Process for removing residual monomers and oligomers from amine-containing polymers |
| 10/01/1992 | WO1992016478A1 Process and apparatus for separating impurities from hydrocarbons |
| 10/01/1992 | WO1992016294A1 A device and a method for separating liquid samples |
| 10/01/1992 | WO1992016285A1 Method for the extraction of substances of low molecular weight present in natural and synthetic products |
| 10/01/1992 | DE4109732A1 Verfahren zum reinigen von abluft A method for purifying exhaust air |
| 09/30/1992 | EP0506010A1 Method for separating a liquid component from a solution containing two or more liquid components |
| 09/30/1992 | EP0505870A1 Procedure to obtain solid dyestuffs |
| 09/29/1992 | US5151191 Filtration process using hollow fiber membrane module |
| 09/29/1992 | US5151190 Method for separating a liquid mixture |
| 09/29/1992 | US5151180 Radial and axial flow stage filter device |
| 09/29/1992 | CA2106198A1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution |
| 09/28/1992 | WO1992017408A1 Process for treating waste washing water used for impregnation |
| 09/28/1992 | CA2107114A1 Method for treatment of effluent from treatment of impregnation |
| 09/26/1992 | WO1992016283A1 Process for cleaning exhaust air |
| 09/26/1992 | CA2106983A1 Process for purifying exhaust air |
| 09/23/1992 | EP0505118A2 Membrane-containing wells for microtitration and microfiltration |
| 09/23/1992 | EP0504904A2 A supported, mechanically stable bipolar membrane for electrodialysis |
| 09/23/1992 | EP0504839A1 Separation process of catalysts from suspensions by filtration |
| 09/23/1992 | EP0504228A1 Membranes for absorbent packets. |
| 09/22/1992 | US5149447 Creosote filtration system with a shell and tube type filtration device |
| 09/22/1992 | US5149433 Interrupting pumping upon changes in pressure differential giving alarm signal; ultrafiltration unit blocking impurities |
| 09/22/1992 | US5149340 Without compressors |
| 09/22/1992 | CA1307632C Forming membrane structure by applying protein suspension to carrier |
| 09/20/1992 | CA2063324A1 Process for separating catalysts from suspensions by filtration |
| 09/17/1992 | WO1992015633A2 Improved management of waste solution containing photoresist materials |
| 09/17/1992 | DE4121382C1 Hexa:methylene:tetramine prodn. using formaldehyde stream from methanol oxidn. - comprises reacting formaldehyde with ammonia, in aq. phase with water removal at reduced pressure |
| 09/17/1992 | DE4108441A1 Procedure and device for treating water using reverse osmosis - in which water is cooled in reverse osmosis unit or permeate storage vessel by e.g. peltier element and waste heat is removed by concentrate |
| 09/17/1992 | DE4108245A1 Recovery of polar aprotic solvent esp. DMSO from aq. soln. - by sepg. and regenerating solvent after conversion to less water-miscible form |
| 09/16/1992 | EP0503651A1 Electrically regenerable demineralizing apparatus |
| 09/16/1992 | EP0503649A1 Process and apparatus for biological purification of waste waters polluted with non biodegradable or hardly biodegradable substances |
| 09/16/1992 | EP0503589A1 Electrodialysis reversal process and apparatus with bipolar membranes |
| 09/16/1992 | EP0503128A1 Apparatus for collection and transfer of particles and manufacture thereof |
| 09/16/1992 | EP0503115A1 Process and apparatus for biological purification of waste waters polluted with non-biodegradable or hardly biodegradable substances |
| 09/16/1992 | EP0380487B1 Process and device for concentrating macromolecular solutions |
| 09/16/1992 | EP0299971B1 Electrodialysis membranes comprising sulfonated constituents |
| 09/16/1992 | EP0248037B1 Blood serum test strip |
| 09/15/1992 | US5147552 Method of and apparatus for cleaning filters in tangential microfiltration |
| 09/15/1992 | US5147549 Membrane separation process |
| 09/15/1992 | US5147533 Sink with water purification system thereunder |
| 09/15/1992 | CA1307448C Blood separation device under low pressure conditions |
| 09/09/1992 | EP0502371A2 Suction device for membrane microtiter plates |
| 09/08/1992 | US5146038 Separation through polyurea membrane |
| 09/08/1992 | US5146009 Esterification of inorganic acid with olefin, hydrolysis to obtain alcohol, permselectivity |
| 09/08/1992 | US5145575 Water quality monitor for a water purification system |
| 09/08/1992 | US5145569 Process for desalting solvent-containing electrolyte solutions by electrodialysis |
| 09/03/1992 | WO1992014539A1 Process of concentration and purification of organic compounds |
| 09/02/1992 | EP0324804B1 Water purification system |
| 09/01/1992 | US5143620 Improved bonding between membrane and support, hydrolyzed polyacrylonitrile |
| 09/01/1992 | US5143601 Fluid purification system |
| 09/01/1992 | US5143526 Membrane for removal of alcohol to form low ethanol beverages |
| 09/01/1992 | CA1306997C Process for concentration of an aqueous solution of amino acid |
| 08/27/1992 | DE4105834A1 Sepg. alcohol from liq. esp. from drink - by pulsed passage through perforated ceramic body opt. carrying zeolite slip |
| 08/26/1992 | EP0500505A1 Equipment for electrolysis and electrodialysis |
| 08/26/1992 | EP0500185A1 A semipermeable composite membrane, a process for the manufacture thereof, as well as application of such membranes for the separation of components in an organic liquid phase or in the vapour phase |
| 08/26/1992 | EP0499728A1 Solvent dewaxing process |
| 08/25/1992 | US5141719 Multilayer of upper plate with aperatures, membrane sheet, one-piece drop guide plate and lower plate with wells; concurrent, purification |
| 08/25/1992 | US5141649 Novel membrane and method of separation |
| 08/25/1992 | US5141639 Vacuum filter assembly |
| 08/25/1992 | US5141620 Electrolytic cell having anode and cathode separated by polymeric membrane which pressurizes carbon dioxide released by decomposition of metal carbonate during regeneration of metal hydroxide |
| 08/25/1992 | US5141610 Continuous separation by adding soluble acid salt and using cation permeable membrane |
| 08/23/1992 | WO1992014536A1 Polymeric film filter assembly |
| 08/23/1992 | CA2104008A1 Polymeric film filter assembly |
| 08/20/1992 | WO1992013463A1 Membrane separation process and apparatus for the separation |
| 08/19/1992 | EP0499509A1 Improved process and apparatus for filtration in a tangential and unsteady liquid flow |
| 08/19/1992 | EP0498969A1 Treatment of lower glycol-containing operative fluids |
| 08/18/1992 | US5139678 Reverse osmosis, filtration purify antifreeze for reuse |
| 08/18/1992 | US5139677 Peryaporation across polyurea or polyamide membrane |
| 08/18/1992 | US5139668 Hollow fiber bundle element |
| 08/18/1992 | US5139632 Recovery of mixed acids from mixed salts |
| 08/18/1992 | US5139623 Method of forming oxide film on stainless steel |
| 08/12/1992 | EP0498596A1 Process for the manufacture of thin film composite membranes |
| 08/12/1992 | EP0313633B1 Method and apparatus for treating water, water treated thus obtained and its utilization |
| 08/12/1992 | EP0203084B1 Adaptive filter concentrate flow control system and method |
| 08/12/1992 | CN1063502A Process for treating mixture containing dewaxing oil dewaxing |
| 08/11/1992 | US5138023 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 08/11/1992 | US5137691 Antibody testing system with removable air gap |
| 08/11/1992 | US5137654 Ultrafiltration of metal working fluid |
| 08/11/1992 | US5137608 Electrochemical decontamination of soils or slurries |
| 08/11/1992 | CA1306199C Filtering apparatus |
| 08/08/1992 | CA2060082A1 Condensate polishing system incorporating a membrane filter |
| 08/05/1992 | EP0497334A1 Fixed plate casting system |
| 08/05/1992 | EP0496792A1 Transmembrane pressure controlled filtration system. |
| 08/04/1992 | US5136032 Method for separating phosphopolyol compounds using a separating agent |
| 08/04/1992 | US5135719 Blood separation device comprising a filter and a capillary flow pathway exiting the filter |
| 08/04/1992 | US5135716 Direct measurement of HDL cholesterol via dry chemistry strips |
| 08/04/1992 | US5135667 Increasing platelet yield in automated blood separation by adding anticoagulant after separation |
| 08/04/1992 | US5135626 Apparatus having a catinic membrane between two bipolar membranes |
| 08/04/1992 | US5135622 Electrochemical synthesis of palladium hydroxide compounds |
| 08/04/1992 | US5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 08/02/1992 | WO1992013630A1 Separation/recovery of ammonium salts via electrodialytic water splitting |
| 08/02/1992 | CA2078223A1 Separation/recovery of ammonium salts via electrodialytic water splitting |
| 07/31/1992 | CA2060258A1 Fixed plate casting system |
| 07/29/1992 | EP0496496A1 Membrane dehydration process |
| 07/29/1992 | EP0496328A1 Membrane for a filtration, gas or liquid separation or pervaporation apparatus and method for manufacturing same |
| 07/29/1992 | EP0496146A1 Tidal and wave-power collection apparatus for installation in large bodies of water |
| 07/29/1992 | EP0496090A2 Process for the separation of a mixture of water, methylethylketone and ethyleneglycol-mono-n-butylether in water and methylethylketone with ethyleneglycol-mono-n-butylether |
| 07/29/1992 | CN1063053A Three-stage membrane gas spearation process and system |