| Patents for B01D 11 - Solvent extraction (12,717) |
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| 08/09/1988 | US4762691 Using organic solvent |
| 08/09/1988 | US4762622 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles |
| 08/03/1988 | EP0276233A1 Process for separating volatile substances |
| 08/03/1988 | CN85100441B High-efficiency extraction agnet for wolfram |
| 08/02/1988 | US4761484 Preferential extraction of copper from mineral concentrates |
| 07/27/1988 | EP0275933A2 Pressure control apparatus |
| 07/27/1988 | EP0275763A1 Process for the extraction of cations and its use in treating aqueous waste solutions |
| 07/26/1988 | US4759914 Treating photographic materials with an acid solution of ferric chloride in acidic pH, to oxidize silver |
| 07/26/1988 | US4759910 Used for ditributing a dispersed phase into continuous phase |
| 07/26/1988 | CA1239653A1 Refining of tertiary butylstyrene |
| 07/26/1988 | CA1239601A1 Process for the extraction of hop constituents |
| 07/26/1988 | CA1239528A1 Method and apparatus involving supercritical fluid extraction |
| 07/13/1988 | EP0274135A2 Method for the separation of leucine |
| 07/13/1988 | CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
| 07/13/1988 | CN87108107A Apparatus for removing sulfur from organic polysulfides ir 2850 |
| 07/12/1988 | CA1239019A1 Solvent extraction process for recovery of zinc |
| 07/06/1988 | EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
| 07/06/1988 | EP0073801B1 Phase-contacting apparatus |
| 07/05/1988 | US4755295 Multistage arrangement for countercurrent separation and methods of operating same |
| 06/29/1988 | CN86108085A Pulsation type method of solid-liquid continuous reverse extraction |
| 06/28/1988 | US4753732 Method of stripping dyes from high-boiling non-ionic media |
| 06/22/1988 | CN86104130A Pipeling type diffuser |
| 06/21/1988 | CA1238305A1 Liquid co.sub.2/cosolvent extraction |
| 06/15/1988 | EP0271468A2 Gallium complexes and solvent extraction of gallium |
| 06/15/1988 | EP0271371A1 Process for the extractive separation of a carboxylic acid from an aqueous solution of said acid |
| 06/15/1988 | EP0271298A2 Improved apparatus for electrolytic reaction |
| 06/14/1988 | USRE32694 Separation of cobalt and nickel by solvent extraction |
| 06/14/1988 | US4751060 Extractor |
| 06/07/1988 | US4749522 Lipids, proteins, polysaccharides, and nucleotides from tissue; purification or separation with gases |
| 06/07/1988 | US4749495 Process for separating oxygenous organic compounds from aqueous media |
| 06/07/1988 | US4749448 Reduced solvent viscosity; low temperature stripping, corrosion resistance, minimal carryover |
| 06/07/1988 | US4749130 In a shower system |
| 06/07/1988 | CA1237644A1 Process for treating and recovering pickling waste liquids for stainless steel |
| 05/31/1988 | US4748006 Extractor apparatus |
| 05/31/1988 | US4747949 Liquid membrane coated ion-exchange column solids |
| 05/31/1988 | US4747948 Parallel plate extractor system and method for using same |
| 05/31/1988 | US4747921 Electrostatics |
| 05/31/1988 | US4747694 Method for dispersing two phases in a solvent extraction process and a pump mixer for realizing the method |
| 05/18/1988 | EP0267471A1 Apparatus for removing sulfur from organic polysulfides |
| 05/17/1988 | US4744928 Layers of criss-crossed, inclined deflecting elements |
| 05/17/1988 | US4744926 Seeds, carbon dioxide extraction |
| 05/17/1988 | CA1236842A1 Process for obtaining trioxane from aqueous solutions by high-pressure extraction |
| 05/11/1988 | CN86100720B Extraction of iron from aluminium sulfate solution with tertiary amine |
| 05/05/1988 | WO1988003044A1 Method for the concentration and separation of actinides from biological and environmental samples |
| 05/04/1988 | EP0266272A1 Process for the recovery of acid organo-phosphorous compounds and/or organo-phosphorous ions from an aqueous solution, and its use in treating aqueous effluents |
| 05/03/1988 | US4741887 Gallium complexes and solvent extraction of gallium |
| 05/03/1988 | US4741807 Apparatus for extracting valuable substances from a granular feedstock |
| 05/03/1988 | US4741806 Hydrocarbons from diatomaceous earth |
| 04/27/1988 | EP0264990A1 Process for liquid-solid contact |
| 04/27/1988 | EP0264484A1 Process for decaffeinating natural products, particularly green coffee or tea |
| 04/27/1988 | EP0264483A1 Process for the decaffeination of coffee |
| 04/26/1988 | US4740304 Composition for use in a twophase or multiphase system |
| 04/21/1988 | WO1988002650A1 Process for leaching particulate solid materials |
| 04/20/1988 | CN87105311A Process for extracting paraffins from their mixtures with paraffinsulphonic acids |
| 04/20/1988 | CN86106852A Mass transfer extraction of liquids from solids |
| 04/13/1988 | EP0263694A2 Process for removing radioactive ruthenium from aqueous solution |
| 04/13/1988 | CN86105274A Intermediates and process for antibiotics |
| 04/12/1988 | US4737309 Quaternary mamonium salt complexing agents |
| 04/12/1988 | CA1235109A1 Extraction of substances from aqueous solution |
| 04/07/1988 | WO1988002274A1 Single phase enrichment of super critical fluids |
| 04/06/1988 | EP0263021A2 Infusion extractor |
| 04/06/1988 | EP0262594A2 Polymer recovery from solution |
| 04/06/1988 | EP0113378B1 Method of operating mixer/settler |
| 04/06/1988 | CN86106453A Liquid extractant c6101-c6121 for phosphoric acid |
| 04/05/1988 | US4735782 Extraction apparatus |
| 04/05/1988 | CA1234676A1 Process and apparatus for liquid-solid contacting |
| 03/30/1988 | EP0261700A1 Process for extracting paraffins from their mixtures with parraffinsulphonic acids |
| 03/30/1988 | EP0261421A2 Method for the extraction of non-polar ingredients from hops |
| 03/30/1988 | CN85100310B Multicolumn extraction process and mid-section separating extraction column |
| 03/24/1988 | WO1987005822A3 Process and device for cleaning and economizing heating oil |
| 03/23/1988 | CN85109522B Solvent extraction process of germanium from distillation acid-residue solution |
| 03/22/1988 | US4732760 Curative and preventive agent for ulcers of digestive organs |
| 03/22/1988 | US4732685 Countercurrent flow |
| 03/22/1988 | EP0215029A4 Method for the continuous chemical reduction and removal of mineral matter contained in carbon structures. |
| 03/22/1988 | CA1234354A1 Curative and preventive agent for ulcers of digestive organs |
| 03/16/1988 | EP0259583A2 Continuous process for extracting carboxylic acids, aldehydes, ketones, alcohols and phenols from diluted aqueous solutions |
| 03/16/1988 | CN87106059A Method and blank for manufacture of high efficiency open volumed packing bodies |
| 03/16/1988 | CN85100737B Extraction of tungsten by using primary amine-neutral donor reagent |
| 03/15/1988 | US4731208 Dissolving |
| 03/09/1988 | EP0259022A2 Method and blank for the manufacture of high efficiency open volumed packing bodies |
| 03/09/1988 | CN86105043A Extracting rare-earth elements from sulphuric acid system |
| 03/08/1988 | CA1233939A1 Continuous extraction of polyphenylene sulfide |
| 03/08/1988 | CA1233645A1 Process for recovering gallium using substituted hydroxyquinolines and organophosphorus compounds |
| 03/02/1988 | EP0258146A1 Process for recovering the gallium contained in a sodium aluminate solution |
| 03/02/1988 | CN87104295A Method separating aminoacid |
| 03/01/1988 | US4728525 Process for the decaffeination of green coffee |
| 03/01/1988 | US4728428 Water degreasing system and method |
| 03/01/1988 | US4728250 Process of filling and emptying a constantly pressurized container |
| 02/25/1988 | WO1988001307A1 Method for the recovery of gallium contained in a sodium aluminate solution |
| 02/24/1988 | EP0256504A1 Process for the extraction of nitro-hydroxy-aromates from aqueous solutions |
| 02/23/1988 | CA1233025A1 Separation of rare earths by means of liquid-liquid extraction |
| 02/16/1988 | US4724593 Method and blank for the manufacture of high efficiency open volumed packing bodies |
| 02/10/1988 | EP0255747A1 Process for separating a fluid feed mixture hydrocarbon oil and an organic solvent |
| 02/10/1988 | EP0255555A1 Apparatus for continuously washing a felted fibrous material, more particularly comminuted sugar cane |
| 02/10/1988 | CN86103770A Extraction of fatty oil and device thereof |
| 02/09/1988 | US4724129 Method of recovering gallium from very basic solutions by liquid/liquid extraction |
| 02/09/1988 | US4724087 Density reduction using needle valve, cyclone separator |
| 02/04/1988 | DE3619716C1 Vorrichtung zum Abtrennen von an Schuettgut gebundenen Fremdstoffen Device for separating bound to bulk foreign matter |
| 02/03/1988 | EP0255389A1 Process for recovering metals |
| 02/03/1988 | EP0255331A2 Method for treating glycoside |