| 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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| 06/04/1998 | WO1998023362A1 Apparatus for semi-continuous separation of a suspension |
| 06/04/1998 | WO1998023361A1 Apparatus and method for reverse osmosis desalination |
| 06/04/1998 | DE19734981A1 Sea water desalination reverse osmosis process and module assembly |
| 06/04/1998 | DE19648519A1 Waste water membrane filtration process |
| 06/03/1998 | EP0844907A1 Producing high purity water using reverse osmosis |
| 06/03/1998 | EP0725762B1 Method for separating metals and alcohols from an emulsified organic/aqueous effluent |
| 06/03/1998 | CN2282924Y Front-mounted filter element of reverse osmosis water filter |
| 06/03/1998 | CN1183383A 净水器 Water Purifier |
| 06/02/1998 | US5759373 Porous ion exchanger and method for producing deionized water |
| 06/02/1998 | US5759283 Method for processing sugar beets to produce a purified beet juice product |
| 05/28/1998 | WO1998022205A1 Inhibition and delay of deposit formation in membrane processes |
| 05/28/1998 | WO1998022203A1 Desalination apparatus and method |
| 05/28/1998 | WO1998022202A1 Fluid driven pumps and apparatus employing such pumps |
| 05/28/1998 | CA2272339A1 Fluid driven pumps and apparatus employing such pumps |
| 05/28/1998 | CA2271490A1 Inhibition and delay of deposit formation in membrane processes |
| 05/27/1998 | EP0843650A2 Biofouling reduction |
| 05/27/1998 | EP0843588A1 Compact portable hand-operated filter for purifying water |
| 05/27/1998 | EP0733099B1 Process for reducing high-molecular structures |
| 05/27/1998 | CN1182632A Replaceable separating assembly with quick joint property |
| 05/26/1998 | US5756643 Exhibits high selectivity for separation of an aromatic/saturate mixture |
| 05/26/1998 | US5755967 Silicalite membrane and method for the selective recovery and concentration of acetone and butanol from model ABE solutions and fermentation broth |
| 05/26/1998 | US5755957 Water supply shut-off device for water purifier |
| 05/22/1998 | WO1998020972A1 Electrodeionization apparatus and method |
| 05/20/1998 | DE19647358A1 Deep sea water reverse osmosis desalination plant has outer membrane |
| 05/20/1998 | CN1182378A Method and apparatus for producing deionized water |
| 05/20/1998 | CN1182055A Water purification system capable of efficiently and reliably removing various pollutants different in size |
| 05/19/1998 | US5753097 Using electrochemical cell |
| 05/19/1998 | US5753009 Using permselective membrane fractionation |
| 05/19/1998 | CA2088933C Purification of polysaccharides |
| 05/14/1998 | WO1998020253A1 Stable wave motor |
| 05/14/1998 | WO1998019777A2 Membrane module for substance-specific fluid treatment |
| 05/14/1998 | WO1998019722A1 Method for purifying blood plasma and apparatus suitable therefor |
| 05/14/1998 | DE19748905A1 Treatment of alkaline effluent from nuclear fuel reprocessing |
| 05/14/1998 | DE19646945A1 Regenerating aqueous etching baths containing metal ions |
| 05/14/1998 | DE19638049C1 Reducing boric acid or borate ion retention in a nano-filtration or ultrafiltration process |
| 05/14/1998 | CA2270413A1 Method for purifying blood plasma and apparatus suitable therefor |
| 05/13/1998 | EP0769032B1 Bipolar membrane and method for fabricating such bipolar membrane |
| 05/13/1998 | EP0690822B1 Water purifier, especially for domestic use |
| 05/13/1998 | EP0666773A4 Cross-flow microfiltration process. |
| 05/13/1998 | EP0584332B1 Apparatus for collection and transfer of particles and manufacture thereof |
| 05/13/1998 | CN1181811A Defining an eleectrode area |
| 05/13/1998 | CA2220783A1 Method for sulphate removal from magnesium chloride brine |
| 05/12/1998 | US5749942 Apparatus for extracting a gas from a liquid and delivering the gas to a collection station |
| 05/07/1998 | WO1998008594A3 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 05/06/1998 | EP0839762A2 Method and apparatus for scale prevention in producing deionized water |
| 05/06/1998 | EP0839570A2 Process for manufacturing an aqueous solution of sodium hydroxide |
| 05/06/1998 | EP0839568A1 Fluorochemical recovery and recycle using membranes |
| 05/06/1998 | EP0839071A1 Absorbent filled membranes for removal of volatile compounds from wastewater |
| 05/06/1998 | EP0777520A4 Zero waste effluent water desalination system |
| 05/06/1998 | EP0710144B1 Filter intended for cross-flow filtration |
| 05/06/1998 | CN1180736A Active wine and preparation method thereof |
| 05/05/1998 | US5747089 Method of making molasses product having low hygroscopicity and sufficient non-caking properties |
| 05/05/1998 | US5746920 Process for purifying dairy wastewater |
| 05/05/1998 | CA2092472C Manufacturing method for producing sterile milk using dynamic microfiltration |
| 05/05/1998 | CA2071810C Process for the production of chlorine dioxide |
| 04/30/1998 | WO1998017590A1 Electrodialyzer and process for desalination |
| 04/30/1998 | WO1998017378A1 Inorganic nanofiltration membrane and its application in the sugar industry |
| 04/30/1998 | WO1998017377A1 Microporous membranes and uses thereof |
| 04/30/1998 | WO1998017376A1 Electrodialyzer membrane stack |
| 04/30/1998 | WO1998017362A1 Method of gasifying or degasifying a liquid |
| 04/30/1998 | DE19644536A1 Apparatus for generating defined convection currents in flowing liquids, especially in haemo-dialysis equipment |
| 04/30/1998 | CA2218147A1 Fluorochemical recovery and recycle using membranes |
| 04/30/1998 | CA2217792A1 Process for manufacturing an aqueous sodium hydroxide solution |
| 04/29/1998 | EP0838256A2 Method for separating and recovering objective component |
| 04/29/1998 | EP0838253A2 Tip resistant bottle filter |
| 04/29/1998 | EP0838045A1 Making a photopolymer printing plate |
| 04/29/1998 | EP0837729A1 Method and apparatus for producing deionized water |
| 04/29/1998 | EP0687247B1 Process for electrochemical treatment of cellulose waste lye |
| 04/29/1998 | EP0640006B1 Spiral wound membrane element |
| 04/29/1998 | CN2280092Y Normal pressure water storage and reverse osmosis water purification equipment |
| 04/29/1998 | CN2279951Y Concentrator able to control automatically the degree of concentration |
| 04/29/1998 | CN1180322A Nanofiltration of concentrated aqueous salt solutions |
| 04/28/1998 | US5744366 Mesoscale devices and methods for analysis of motile cells |
| 04/28/1998 | US5744042 Using a semipermeable membrane |
| 04/28/1998 | US5744027 Apparatus for kidney dialysis |
| 04/28/1998 | US5744023 Method for separation and recovery of organogermanium compound |
| 04/23/1998 | WO1998016269A1 Disposable hemodiafiltration set |
| 04/23/1998 | DE19646414C1 Small-scale municipal waste water treatment plant combines filtration with electrical treatment |
| 04/23/1998 | DE19643359A1 Production of blowhole-free fibre-reinforced polyurethane sheet mouldings |
| 04/22/1998 | EP0837033A1 Process for the purification of hydrogen peroxide |
| 04/22/1998 | EP0836879A1 Method and apparatus for removing oil contaminants from cool water systems |
| 04/22/1998 | EP0836537A1 Process for cleaning factory equipment with integrated prerinse |
| 04/22/1998 | EP0836487A1 Device and method for concentrating plasma |
| 04/22/1998 | CN2279207Y Multi-purpose combined superfine filtering plate |
| 04/21/1998 | US5741420 Dew forming prevention apparatus |
| 04/16/1998 | WO1998015581A1 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration |
| 04/16/1998 | WO1998015342A1 Water filtration device and method of its manufacture |
| 04/16/1998 | WO1998015341A1 Method for extracting amine compounds from a liquid medium |
| 04/16/1998 | DE19641018A1 Treating waste water, e.g. from gas pipe washing |
| 04/15/1998 | EP0835860A1 Separation of water from reactive mixtures |
| 04/15/1998 | EP0835610A1 Demineralisation of milk products or milk derivatives |
| 04/15/1998 | EP0835609A1 Demineralisation of sweet cheese whey |
| 04/15/1998 | EP0835277A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
| 04/15/1998 | EP0746753A4 Apparatus and method for particle concentration and separation in a closed field |
| 04/15/1998 | CN1179115A Method of desalinating saline water and apparatus thereof |
| 04/14/1998 | US5738792 Method for separation of matter from suspension |
| 04/14/1998 | US5738775 Core-sheath structure ion exchange nonwoven fabric substrate for desalting compartment; desalting water, production of pure water in electrical power, including nuclear power, generating industries |
| 04/09/1998 | DE19640460A1 Water desalination reverse osmosis plant |
| 04/08/1998 | EP0834346A2 Process for purifying hydroxide compounds |
| 04/08/1998 | EP0834345A2 Electrochemical process for purifying hydroxide compounds |