| 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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| 01/07/1981 | EP0021816A1 Method and system of detecting pinholes in hollow fibres |
| 01/07/1981 | EP0021547A2 Method of and apparatus for washing and cleaning membrane filtration units |
| 01/06/1981 | US4243536 Cross-flow filtration apparatus |
| 12/23/1980 | US4240912 Stainless steel with head of polytetrafluoroethylene |
| 12/23/1980 | US4240796 Method of treating capillary fibers |
| 12/23/1980 | CA1092148A1 Purification process |
| 12/16/1980 | US4239624 Apparatus for membrane filtration having an improved desalting effect |
| 11/25/1980 | US4235722 Liquid treating unit |
| 11/25/1980 | CA1090261A1 Cleaner for dialyzers |
| 11/04/1980 | US4231879 Apparatus for selective separation of matter through semi-permeable membranes |
| 11/04/1980 | US4231877 Blood dialyzer |
| 11/04/1980 | US4231865 Purification brines |
| 10/29/1980 | EP0018236A1 Method and apparatus for cleaning hollow fibers |
| 10/21/1980 | CA1087993A1 Housing for multiplate filter |
| 10/14/1980 | US4228014 Apparatus for desalination and purification of water by reverse osmosis and ultrafiltration |
| 10/14/1980 | US4227999 Ultrafiltration process and apparatus |
| 10/07/1980 | US4226921 Selective plugging of broken fibers in tubesheet-hollow fiber assemblies |
| 09/30/1980 | CA1086657A1 Centrifugal dialysis |
| 09/18/1980 | WO1980001876A1 Sterilization of artificial organ |
| 09/17/1980 | EP0015416A1 Modular block for osmotic separation processes |
| 09/16/1980 | US4222874 Balanced pressure tubular molecular filtration system |
| 09/16/1980 | US4222871 Improvements in the separation of liquid mixtures by ultrafiltration |
| 09/16/1980 | US4222869 Dialyzing method of blood in artificial kidney |
| 09/02/1980 | US4220489 Method of fabricating a hollow filament separator module |
| 09/02/1980 | CA1084872A1 Method of producing silica sols by electrodialysis |
| 08/26/1980 | US4219421 Filter apparatus |
| 08/19/1980 | US4218313 Dialysis apparatus and technique |
| 08/12/1980 | CA1083529A1 Electrodialysis cell and method for producing cationic permeable membranes used therein |
| 08/12/1980 | CA1083496A1 High strength cast modules for supporting reverse osmosis membranes |
| 07/22/1980 | US4213858 Supporting net |
| 07/09/1980 | EP0013075A1 Transfer membrane apparatus |
| 07/01/1980 | US4210536 Hollow filament separatory module |
| 06/24/1980 | US4209402 Kidney dialysis filter washing process |
| 06/10/1980 | US4207192 Hollow filament separatory module and method of fabrication |
| 06/10/1980 | US4207183 Prevention of solute deposition fouling in membrane processes |
| 05/29/1980 | WO1980001043A1 Transfer membrane apparatus |
| 05/27/1980 | US4204962 Continuous analysis of beverages |
| 05/20/1980 | CA1077741A1 Combustible gas-in-oil detector |
| 05/13/1980 | CA1077241A1 Use of liquid membrane systems for selective ion transfer |
| 04/29/1980 | US4200531 Water purification |
| 04/22/1980 | CA1076060A1 Electrolytic method for the manufacture of hypochlorites |
| 04/16/1980 | EP0009738A1 Filtration method for separating solid, sludgy and dissolved substances from waste water or from sludge resulting from the cleaning of waste water |
| 04/15/1980 | US4198293 Tubular membrane separation process and apparatus therefor |
| 04/02/1980 | EP0009374A2 Process for the separation of constituents of gas/gas, liquid/liquid, or liquid/solid mixtures or solutions |
| 03/18/1980 | US4193872 Flushing system for reverse osmosis water purification units |
| 03/18/1980 | CA1073845A1 Electrolytic method for the manufacture of chlorates |
| 03/11/1980 | CA1073402A1 Electrolytic manufacture of chlorates using a plurality of electrolytic cells |
| 02/19/1980 | US4188817 Method for detecting membrane leakage |
| 02/12/1980 | US4188117 Method and apparatus for detecting leaks in hollow fiber membrane modules |
| 02/05/1980 | US4187181 Apparatus for classifying liquid mixture in accordance with molecular weight |
| 12/13/1979 | WO1979001052A1 Prevention of solute deposition fouling in membrane processes |
| 12/11/1979 | CA1067830A1 Dialysis apparatus with selective chemical activity |
| 11/28/1979 | EP0005536A2 Process for preparing polyamide membrane filter media and products thereof |
| 11/27/1979 | US4176156 Method for heat-sterilizing artificial kidneys |
| 11/27/1979 | US4176070 Semi-permeable membranes of regenerated cuprammonium cellulose and method for heat sterilization thereof in physiological saline |
| 11/27/1979 | US4176063 Water purifier system and valve |
| 10/17/1979 | EP0004599A1 Method and apparatus for detecting a blood leak in a hemodialysis system |
| 10/09/1979 | US4170695 Selective plugging of broken fibers in tubesheet-hollow fiber assemblies |
| 10/09/1979 | CA1063965A1 Electrical method and apparatus for testing membranous articles |
| 10/02/1979 | US4169817 Liquid cleaning composition containing stabilized enzymes |
| 09/18/1979 | CA1062413A1 Polycarbonate membranes and production thereof |
| 09/04/1979 | US4166961 Method and apparatus for detecting a blood leak in a hemodialysis system |
| 08/28/1979 | US4166031 Artificial kidney cleaning apparatus and process |
| 08/14/1979 | CA1060285A1 Method of treating semipermeable membranes |
| 07/17/1979 | US4161447 Process for treating waste water containing radioactive substances |
| 07/10/1979 | US4160713 Process for electro-dialysis |
| 06/26/1979 | US4159251 Ultrafiltration membranes based on heteroaromatic polymers |
| 06/13/1979 | EP0002422A1 Filtration device |
| 06/12/1979 | US4158034 Sterilization method and apparatus for dialysis system |
| 05/08/1979 | US4153545 Acid, fatty amine, water soluble organic solvent |
| 05/08/1979 | CA1054068A1 Used lubricating oil regeneration through semi-permeable membrane |
| 04/10/1979 | US4148606 Sterilization of dialyzer |
| 04/10/1979 | US4148495 Sealing means for a membrane filtration unit |
| 04/10/1979 | CA1052284A1 Tubular membrane apparatus on supports for the treatment of fluids |
| 04/03/1979 | US4147605 Method of producing sols by electrodialysis |
| 01/30/1979 | CA1047413A1 Convolute membrane apparatus with two pass feed side-one pass permeate side flow paths |
| 01/23/1979 | US4136025 Fouled by cataphoretic paint containing lead, using an acid and an organic solvent |
| 12/26/1978 | US4131541 Removing coagulable substances from an aqueous medium |
| 11/07/1978 | US4124488 Water purification by reverse osmosis |
| 10/10/1978 | US4119408 Apparatus for maintaining the separation efficiency of immobilized liquid membranes in gas separation |
| 09/26/1978 | CA1039038A1 Process for producing a reverse osmosis module |
| 08/22/1978 | US4108764 Producing carbonic acid gas |
| 08/08/1978 | US4105533 Electrodialysis cell and method for producing cationic permeable membranes used therein |
| 06/20/1978 | US4096060 Water purification |
| 06/06/1978 | US4093545 Method and apparatus for determining the amount of ultrafiltration during dialysis |
| 06/06/1978 | US4093540 Refining crude glyceride oil, ultrafiltration, passing through a silica or alumina adsorbent |
| 05/16/1978 | US4089778 Process for separating a substance from a liquid medium containing the substance in dissolved form |
| 05/09/1978 | US4088576 Method of manufacture of tubular inertial filter |
| 03/21/1978 | US4080289 Apparatus for treating waste water or solution |
| 03/07/1978 | US4077885 Granular inert layer of silicon dioxide or carbon black |
| 02/28/1978 | US4076626 High strength cast modules for supporting reverse osmosis membranes |
| 02/21/1978 | US4075093 Permselective membrane |
| 02/21/1978 | US4075091 Blood, membranes |
| 02/14/1978 | US4073730 Ultrafiltration water collector |
| 01/31/1978 | US4071444 Portable chemical reactor for use as an artificial kidney |
| 12/13/1977 | US4062771 Apparatus and process for membrane filtration |
| 11/29/1977 | US4060488 Particulate membrane ultrafiltration device |
| 11/15/1977 | US4058373 Combustible gas-in-oil detector |
| 11/08/1977 | US4057483 Electrodialysis apparatus and process for ion modification |
| 11/01/1977 | US4056467 Hollow fibres |