| Patents for B01D 11 - Solvent extraction (12,717) |
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| 11/18/1997 | CA2047728C Process for recovering germanium |
| 11/14/1997 | CA2176434A1 Extracting oil from oil bearing plant parts |
| 11/13/1997 | WO1997041938A1 Method and apparatus for conducting the two solutions of liquid-liquid extraction, mixed into dispersion, in a controlled fashion into the separation part |
| 11/13/1997 | DE19616046A1 Verfahren zur Abtrennung von organischen Monomeren oder Hilfsstoffen Process for the separation of organic monomers or auxiliaries |
| 11/13/1997 | CA2254080A1 Method and apparatus for conducting the two solutions of liquid-liquid extraction, mixed into dispersion, in a controlled fashion into the separation part |
| 11/06/1997 | WO1997040902A1 Extraction method and apparatus |
| 11/06/1997 | WO1997040901A1 Method and apparatus for adjusting the boundary surface between two controllably flowing and mutually separable solutions and for conducting both solutions out of the separation part |
| 11/06/1997 | WO1997040900A1 Method and apparatus for recirculating a heavier solution from the separation part of two separable solutions into a mixing unit |
| 11/06/1997 | WO1997040899A1 Method and apparatus for creating controlled flows in two mutually separable solutions |
| 11/06/1997 | CA2251246A1 Extraction method and apparatus |
| 11/05/1997 | EP0804953A1 Self-purging extractor |
| 11/05/1997 | EP0804624A1 Chloride assisted hydrometallurgical copper extraction |
| 11/05/1997 | EP0735826A4 Counter current diffusion extractor |
| 11/05/1997 | CN1036318C Coronary liquid film separating method and apparatus thereof |
| 11/04/1997 | US5683585 Process for the removal of organic solvents from waste water |
| 10/30/1997 | WO1997040081A1 Process for separating organic monomers or auxiliaries |
| 10/30/1997 | WO1997039815A1 Method and apparatus for diffusive transfer between immiscible fluids |
| 10/30/1997 | WO1997039814A1 Method and apparatus for diffusive transfer between immiscible liquids |
| 10/30/1997 | CA2252885A1 Process for separating organic monomers or auxiliaries |
| 10/29/1997 | EP0802836A2 Installation and method for washing contaminated soil or similar materials and for cleaning equipment parts or similar components which come into contact with fluids |
| 10/28/1997 | US5682593 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
| 10/23/1997 | WO1997038771A1 Process for making shaped copper articles |
| 10/22/1997 | CN2265226Y Frame insulating-board sandwiched type device for supporting liquid membrane |
| 10/22/1997 | CN1162928A Method and apparatus for diffusive transfer between immiscible fluids |
| 10/22/1997 | CN1162927A Method of processing a cheese processing waste stream |
| 10/16/1997 | WO1997038044A1 A method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical use |
| 10/16/1997 | WO1997037742A1 Extraction of organic compounds from aqueous surfactant-containing solutions |
| 10/15/1997 | CN1161872A Technology for recovering industrial waste sulphuric acid residue containing oil etc. organic substance |
| 10/14/1997 | US5676737 Method for separating solutes in gaseous solvents |
| 10/09/1997 | DE19613485A1 Extraktion organischer Verbindungen aus tensidhaltigen wäßrigen Lösungen Extraction of organic compounds from aqueous solutions containing surfactant |
| 10/08/1997 | CN1161659A Method and apapratus for diffusive transfer between immiscible fluids |
| 10/07/1997 | CA2068989C Process of reclaiming battery acid from lead acid batteries |
| 10/02/1997 | DE19702168A1 Petasites hybridus extract to treat allergic rhinitis, which is practically free of pyrrolizidine alkaloid compounds and their N-oxide derivatives |
| 10/02/1997 | DE19612037A1 Universal extraction unit improving on Soxhlet apparatus in laboratory use |
| 10/01/1997 | EP0797472A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration |
| 10/01/1997 | EP0695304B1 Calix[4]arene crown ethers, method for preparing same, and use thereof for the selective extraction of caesium and actinides |
| 10/01/1997 | CN2263542Y Extraction chromatographic column |
| 10/01/1997 | CN1161056A Method of continuous extraction of crude wax and apparatus therefor |
| 09/24/1997 | EP0711193B1 Apparatus for countercurrent multiphase liquid separation |
| 09/23/1997 | US5670048 Cylindrical cartridge with easy to release end caps |
| 09/18/1997 | WO1997033687A1 Method of carrying out a treatment in the presence of a centrifugal force and an apparatus therefor |
| 09/16/1997 | US5667691 Process for extracting water and acetic acid from the aqueous phase of cellulose acetate |
| 09/12/1997 | WO1997032809A1 Process for hydrogen fluoride separation |
| 09/10/1997 | EP0793986A1 Multi-chambered super-critical fluid extraction cartridge and processes using it |
| 09/10/1997 | EP0713367A4 Subdivided solids extraction method and apparatus |
| 09/04/1997 | DE19608463A1 Removal of phenol(s) from effluent by extraction with solvent mixture |
| 09/03/1997 | EP0792672A2 Process and apparatus for the continuous extraction of polymer granules |
| 09/03/1997 | CN1158270A Distributor allowing independent injection and/or removal of fluids |
| 09/02/1997 | US5662871 Method for extracting metals from large solution flows and apparatus for realizing the same |
| 09/02/1997 | US5662861 Liquid extraction |
| 08/27/1997 | EP0791815A2 Assembly for extracting anlytes from samples under pressure |
| 08/27/1997 | EP0790849A1 Method and apparatus for diffusive transfer between immiscible fluids |
| 08/27/1997 | EP0764042A4 Fluid extraction |
| 08/26/1997 | US5660792 Automatic solid phase extraction device with interchangeable nozzle holder head |
| 08/26/1997 | US5660727 Automated analyte supercritical fluid extraction apparatus |
| 08/21/1997 | WO1997030010A1 Method and apparatus for recovering oil from an oil-bearing solid material |
| 08/21/1997 | CA2247277A1 Method and apparatus for recovering oil from an oil-bearing solid material |
| 08/20/1997 | EP0790318A1 Process for continuous lixiviating of fibrous material, particularly sugar cane and/or bagasse |
| 08/20/1997 | EP0610230B1 Soil-washing plant |
| 08/19/1997 | US5658463 Process for extraction of analytes from solid and materials and filtration |
| 08/14/1997 | WO1997028875A1 Improved stationary screen extractor |
| 08/06/1997 | EP0787029A1 Method and apparatus for diffusive transfer between immiscible fluids |
| 08/06/1997 | CN1156007A Method and system for processing liquid food or liquid medicine by supercritical fluid of carbon dioxide |
| 08/05/1997 | US5653885 Apparatus and method for supercritical fluid extraction |
| 08/05/1997 | US5653884 Maintaining solute solubility after flowing through a restrictor causing partial pressure reduction by mixing the supercritical fluid and solute with another fluid under pressure |
| 08/05/1997 | US5653815 Countercurrent flow; juice removed by screens |
| 07/30/1997 | EP0786513A2 Method of and system for processing liquid foodstuff or liquid medicine with a supercritical fluid of carbon dioxide |
| 07/30/1997 | EP0786090A1 Method and apparatus for on-line flow extraction of extractable components in liquids |
| 07/30/1997 | EP0786030A1 Washing pulp using an endless support fabric |
| 07/30/1997 | EP0786021A1 Process for making copper foil |
| 07/30/1997 | EP0785814A1 Liquid high pressure spraying extraction process |
| 07/24/1997 | WO1997026085A1 Rotor shroud for a centrifugal separator |
| 07/24/1997 | WO1997026064A1 Method for processing a sample |
| 07/22/1997 | US5650057 Chloride assisted hydrometallurgical extraction of metal |
| 07/17/1997 | WO1997025610A1 Analytical apparatus |
| 07/16/1997 | CN1154723A Method for recycling waste etching solution |
| 07/15/1997 | US5647976 High pressure and temperature cell for solvent extraction |
| 07/09/1997 | CN1035382C Process for separation of aqueous phase for cellulose acetate |
| 07/08/1997 | US5645708 Chloride assisted hydrometallurgical copper extraction |
| 07/03/1997 | WO1997023263A1 Extraction method and apparatus |
| 07/03/1997 | CA2238396A1 Extraction method and apparatus |
| 07/02/1997 | EP0781761A1 Process and aparatus for the purification of technical diphenyl-p-phenylenediamine |
| 07/02/1997 | CN1153201A Method and apparatus for extraction of aromatic compound from hydrocarbon material |
| 07/01/1997 | CA2033760C Process for the quasi-continuous decaffeination of raw coffee |
| 06/26/1997 | WO1997022393A1 Multiphase extractor |
| 06/26/1997 | CA2240506A1 Multiphase extractor |
| 06/25/1997 | CN1152884A 流体萃取 Fluid Extraction |
| 06/24/1997 | US5641462 Continuous solvent extraction with bottom gas injection |
| 06/24/1997 | US5641360 Feeding liquid-solid mixture to swirling zone to wash adhering organic substances from solids, discharging liquid phase to water treatment system, separating solids, feeding back to swirling zone in front of screw conveyor with screen |
| 06/18/1997 | EP0779088A1 Apparatus and process for simultaneous destillation and extraction |
| 06/18/1997 | CN1152260A Fluid extraction of metal and/or metalloid |
| 06/18/1997 | CN1151903A Jetting gravity difference liquid film separating method |
| 06/15/1997 | CA2192993A1 Apparatus and process for simultaneous distillation and extraction |
| 06/12/1997 | WO1997020866A1 Process for the removal of residual solvents and residual monomers from powdered polymerisates |
| 06/11/1997 | EP0777515A1 Liquid-liquid extraction |
| 06/10/1997 | US5637209 Field-portable supercritical CO2 extractor |
| 06/05/1997 | DE19545100A1 Verfahren zum Entfernen von Restlösemitteln und Restmonomeren aus pulverförmigen Polymerisaten A process for removing residual solvents and residual monomers from pulverulent polymers |
| 06/05/1997 | DE19544905A1 Preparation of plant extracts |
| 06/04/1997 | EP0575387B1 Extraction system |
| 06/03/1997 | US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit |