Patents for B01D - Separation (1,935) |
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11/01/1989 | CN1036709A Vehicle exhaust gas systems |
10/24/1989 | US4876012 Hollow fibre filter cartridge and header |
10/16/1989 | EP0302123A4 Settler for liquid-liquid extractors. |
10/03/1989 | US4871012 Variable conductance thermal insulation blanket |
09/27/1989 | EP0333836A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
09/27/1989 | CN1035761A Apparatus for continuous extraction |
09/19/1989 | US4867953 Method for the selective elimination of nitrogen oxides from exhaust gases |
09/19/1989 | US4867874 Device for filtering water from an overflowing swimming pool, using an accumulating tank acting as a gravity filter |
09/19/1989 | US4867770 Filter cartridge |
08/23/1989 | EP0328555A1 Method and device for separating a dispersed phase. |
08/16/1989 | EP0328373A1 Vehicle exhaust gas catalysts |
08/10/1989 | WO1989007005A1 Vehicle exhaust gas catalysts |
08/09/1989 | EP0326578A1 Filter for hot melt adhesive. |
08/09/1989 | EP0326563A1 A method for cleansing gas and apparatus herefor. |
07/27/1989 | WO1989006568A1 Pump for filtration systems |
07/26/1989 | EP0324763A1 A method for cleansing gases and apparatus herefor. |
07/05/1989 | EP0322604A1 Membrane filtration apparatus and method of making a membrane filtration unit |
07/04/1989 | US4844878 Process for the reduction of nitrogen oxides in an effluent |
07/04/1989 | US4844806 Multiple-disc-filters |
06/15/1989 | WO1989005181A1 Membrane filtration apparatus and method of making a membrane filtration unit |
06/01/1989 | WO1989002781A3 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
05/31/1989 | EP0317977A2 Production of trisubstituted hydroxyalkyl alkanoates from aldehydes |
05/31/1989 | EP0243358B1 Method and device for purifying solvent-laden exhaust air |
05/18/1989 | WO1989003242A3 Process for the reduction of nitrogen oxides in an effluent |
05/18/1989 | DE3836138A1 Particulate medium suitable for the selective separation of metal cations from aqueous solutions, process for the production thereof and use thereof |
05/16/1989 | US4830885 Chlorine-resistant semipermeable membranes |
05/05/1989 | WO1989002780A3 Multi-stage process for reducing the concentration of pollutants in an effluent |
05/03/1989 | EP0314026A1 Particle agent for the selective removal of metal cations from aqueous solutions, process for its production and its use |
05/03/1989 | EP0313648A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants. |
04/26/1989 | CN1032548A Process for the reduction of nitrogen oxides in an effluent |
04/20/1989 | WO1989003242A2 Process for the reduction of nitrogen oxides in an effluent |
04/06/1989 | WO1989002781A2 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
04/06/1989 | WO1989002780A2 Multi-stage process for reducing the concentration of pollutants in an effluent |
03/21/1989 | CA1251414A1 Method and an apparatus for the vaporization and distillation of a liquid reaction-mixture of a high pressure |
03/14/1989 | CA1251142A1 Process for producing storable camomile extracts rich in active substances |
03/08/1989 | EP0305606A1 Back-wash filter assembly |
03/01/1989 | EP0304478A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants. |
02/08/1989 | EP0302123A1 Settler for liquid-liquid extractors |
02/01/1989 | EP0301022A1 Apparatus for exchanging ions, molecules, gas, liquid and/or heat between fluids. |
01/17/1989 | US4798915 Process for the extraction of paraffins from mixtures thereof with alkane-sulfonic acids |
01/11/1989 | EP0298735A2 Filter |
01/11/1989 | CN1030193A Process for nitrogen oxides reduction and minimization of production of other pollutants |
01/10/1989 | US4797187 Coacervation of cations |
01/10/1989 | CA1248645A1 Deoxygenation process and apparatus |
01/10/1989 | CA1248329A1 Ion exchange column |
11/30/1988 | CN88101501A Adsorption of proteins from fluids using composite gels |
11/22/1988 | US4786497 Extraction with lower alcohol |
11/17/1988 | WO1988008824A1 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
11/02/1988 | EP0289020A2 Method and apparatus for treating fiber suspension |
11/01/1988 | US4781837 Method of performing osmetic distillation |
10/25/1988 | US4780289 Monitoring effluents-adjustment of supply and dilution rate of treating agent |
10/20/1988 | EP0277214A4 Compressed air modifier. |
10/18/1988 | US4778666 Crystallization method employing microwave radiation |
09/21/1988 | CN88100728A Precipitate box of liquid-liquid extraction apparatus |
09/13/1988 | US4770793 Filter cake |
09/13/1988 | US4770786 Separation of organic liquid from mixture employing porous polymeric ultrafiltration membrane |
09/07/1988 | WO1988006487A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants |
09/07/1988 | EP0280717A1 Cleaning of hollow fibre filters |
08/25/1988 | WO1988006055A1 Settler for liquid-liquid extractors |
08/11/1988 | WO1988005692A1 Device for the washing of smoke gas |
08/10/1988 | EP0277214A1 Compressed air modifier. |
08/04/1988 | DE3703803A1 Vorrichtung zur nassreinigung von rauchgas A device for wet cleaning of flue gas |
08/03/1988 | EP0276621A1 Filter for the overflow of water from a swimming pool having a storage vessel serving as a gravity filter |
07/27/1988 | EP0162085B1 Process for separating acid polluting gas and combustion plant |
07/19/1988 | US4758253 Separating gas mixture into streams according to ability to be adsorbed |
07/13/1988 | EP0274161A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
07/13/1988 | CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
07/13/1988 | CN87108374A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
07/07/1988 | DE3644275A1 Method for transferring filtered pulp on a disc filter and an associated disc filter arrangement |
07/06/1988 | EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
06/22/1988 | EP0271553A1 Hplc column. |
06/14/1988 | US4751000 Multiple-disc type filters |
06/08/1988 | EP0269864A1 Filtration device with wetted filtering elements |
06/08/1988 | EP0269769A1 Filtration with biogenetic silica |
06/07/1988 | US4749487 Premselective microskin of multivalent ions; desalting molasses or milk whey |
06/02/1988 | WO1988003831A1 Method and device for separating a dispersed phase |
05/17/1988 | US4744926 Seeds, carbon dioxide extraction |
05/05/1988 | WO1988003049A1 Filter device with liquid-wetted filter elements |
05/05/1988 | WO1988002656A3 Filter for hot melt adhesive |
05/03/1988 | EP0180599A4 High flux membrane. |
04/21/1988 | WO1988002656A2 Filter for hot melt adhesive |
04/20/1988 | CN86106852A Mass transfer extraction of liquids from solids |
04/19/1988 | CA1235259A1 Dust collector |
04/12/1988 | US4737292 HPLC column and a column packing method |
03/30/1988 | EP0271553A4 Hplc column. |
03/30/1988 | EP0261111A1 Pressure swing adsorption process and apparatus. |
03/29/1988 | US4734188 Filter for hot melt adhesive |
03/29/1988 | US4734111 Process and apparatus for cleaning styrene-polluted spent air |
03/24/1988 | WO1988001902A1 A method for cleansing gases and apparatus herefor |
03/24/1988 | WO1988001901A1 A method for cleansing gas and apparatus herefor |
03/24/1988 | WO1988001895A1 Hollow fibre filter cartridge and header |
03/16/1988 | EP0259336A1 A method and an apparatus for separating bodies from a liquid. |
03/10/1988 | WO1988001529A1 Cleaning of hollow fibre filters |
03/09/1988 | CN87105732A Compressed air modifier |
03/02/1988 | EP0257024A1 Process for the selective elimination of nitric oxides contained in exhaust gases. |
01/26/1988 | CA1231914A1 System for diaphragm distillation |
01/13/1988 | EP0252596A1 Adsorption process |
01/12/1988 | US4718985 System for diaphragm distillation |
12/17/1987 | WO1987007526A1 Hplc column |
12/09/1987 | EP0248599A2 Dynamic membranes |