| Patents for B01D 11 - Solvent extraction (12,717) |
|---|
| 10/01/1991 | CA2038905A1 Apparatus and method for the separation of a viscous mixture |
| 09/25/1991 | EP0448472A1 Device for treating plant materials with at least one inclination device |
| 09/25/1991 | EP0344256A4 Apparatus and method for waste disposal |
| 09/25/1991 | CN2085249U Static electric quasi-liquid film combination baffle-electrode assembly |
| 09/25/1991 | CN2085248U Horizontal square pulse sieve tray extractor |
| 09/24/1991 | US5050997 Mixer-settler for liquid-liquid extraction |
| 09/24/1991 | CA1289510C Centrifugal separation of dispersed phase from continuous phase with electrostatic charges |
| 09/19/1991 | WO1991014075A1 Process and apparatus for cleaning particulate solids |
| 09/19/1991 | DE4009650A1 Continuous treatment for sepn. of water, oil and oil sludge - in mass flow systems in petroleum industries provides simple, through separation |
| 09/17/1991 | US5049370 Solvent extraction |
| 09/17/1991 | US5049279 Selective extraction of amino acids |
| 09/11/1991 | EP0445347A2 Process of extracting anions with quaternary amines |
| 09/10/1991 | US5047580 Process for the separation of sulfuric acid from aqueous mixtures of paraffin-sulfonic acids |
| 09/10/1991 | US5047153 Method for removing amine from solids |
| 09/05/1991 | DE4006336A1 Pressure leaching of metals - using high pressure water-solvent jet |
| 09/04/1991 | EP0444299A1 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids |
| 09/03/1991 | US5045290 Recovery of pure platinum and palladium |
| 09/03/1991 | US5045206 Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier |
| 09/03/1991 | CA1288377C Extraction process and apparatus |
| 09/03/1991 | CA1288217C Process for the removal of organic contaminants from soils and sediment |
| 09/03/1991 | CA1288216C Process for separating solid particles and/or liquid from a suspension, and wash column |
| 08/29/1991 | WO1991013232A2 Process and apparatus for cleaning particulate solids |
| 08/29/1991 | CA2076636A1 Process and apparatus for cleaning particulate solids |
| 08/28/1991 | EP0442987A1 Process and device for extracting fine-particle solids |
| 08/28/1991 | CA2030777A1 Process and apparatus for disengaging and separating bitumen from pulverized tar sands using selective cohesion |
| 08/27/1991 | US5043070 Magnetic solvent extraction |
| 08/22/1991 | DE4005366A1 Extn. process using immiscible liq. phases - improved by bonding one of the phases on the surface of chemically inert solid carrier bodies |
| 08/21/1991 | CN1013584B Method for extraction of fatty oil and device thereof |
| 08/20/1991 | US5041245 Screw-feeding plant matter through an elongated tube for compaction |
| 08/20/1991 | US5041227 Continous recycling of extractant |
| 08/17/1991 | WO1990009233A1 Apparatus and method for delivering supercritical fluid |
| 08/15/1991 | WO1991012072A1 Separation by carrier mediated transport |
| 08/15/1991 | CA2076041A1 Separation by carrier mediated transport |
| 08/14/1991 | EP0441672A1 Method for the extraction of constituents of vegetable material with selective solvents |
| 08/14/1991 | EP0304427B1 Process for dephenolating waste water from coking plants |
| 08/07/1991 | EP0440022A2 Process for extracting alkaloids from tobacco |
| 08/07/1991 | EP0439710A2 Process for decaffeinating green coffee |
| 08/01/1991 | DE4002161A1 Extracting oils and fats - from exhausted adsorbent with supercritical carbon di:oxide |
| 07/30/1991 | US5036005 Alcohol recovery by continuous fermentation |
| 07/30/1991 | CA1286919C Apparatus and method for waste disposal |
| 07/24/1991 | EP0438184A1 Apparatus for effecting extraction |
| 07/23/1991 | US5034132 Method for extraction |
| 07/23/1991 | US5034103 Distillation column with a draw-off device |
| 07/17/1991 | EP0437394A1 Agitator-drive unit, especially for a device for the reprocessing of irradiated fuel by means of a mixer-setler equipment |
| 07/17/1991 | EP0437295A1 Vessel for treating a finely-divided material with a fluid |
| 07/17/1991 | EP0436690A1 Extracts of the acanthospermum hispidum plant. |
| 07/10/1991 | EP0435994A1 Apparatus to contact liquids of different density. |
| 07/09/1991 | US5030757 Phase transfer catalyst recovery |
| 07/03/1991 | EP0435328A2 Method for reducing the quantity of siloxane oligomer in organopolysiloxane moldings |
| 07/02/1991 | US5028326 Apparatus for separating organic material from sludge |
| 07/02/1991 | US5028259 Recovery of precious metal |
| 06/27/1991 | DE3942027A1 Removing radioactive mineral from plant or animal material - by extn. with opt. aq. carboxylic acid or deriv. |
| 06/26/1991 | EP0434557A1 Column for the pulsating liquid-liquid-extraction and method for the elimination of a precipitate from an interface |
| 06/26/1991 | CN1012967B Extraction method of separating tungsten and molybdenum |
| 06/26/1991 | CN1012942B Pipeline type diffuser |
| 06/25/1991 | US5026549 Production of essential oils from plants |
| 06/25/1991 | CA1285120C Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles |
| 06/22/1991 | WO1991009810A1 Process of reclaiming battery acid from lead acid batteries |
| 06/18/1991 | US5025222 System and method for monitoring substances and reactions |
| 06/18/1991 | US5024820 Mechanism for charging and discharging a closed chamber utilizable as an extraction tank of a continuous vegetable material extraction unit and extraction process comprising an application thereof |
| 06/18/1991 | US5024647 Centrifugal contactor with liquid mixing and flow control vanes and method of mixing liquids of different phases |
| 06/13/1991 | WO1991008375A1 Method and apparatus for cleaning drill cuttings |
| 06/13/1991 | CA2068997A1 Cleaning of cuttings from drilling operations |
| 06/12/1991 | CN1052057A Process for extracting apolar substance from liquid phase by means of supercritic gas in extractor equipped with perforated trays |
| 06/11/1991 | US5022973 Method of electrostatically enhanced solvent extraction and apparatus therefor |
| 05/28/1991 | CA1284463C Process for the extraction of nonpolar constituents of hops |
| 05/21/1991 | US5017500 Fat extraction process and apparatus |
| 05/21/1991 | US5017397 Process for extracting antioxidants from Labiatae herbs |
| 05/21/1991 | US5017281 Treatment of carbonaceous materials |
| 05/14/1991 | US5015456 Removal of nitrate and/or organic pollutants from effluents |
| 05/08/1991 | EP0426143A1 Process and apparatus for extracting metals from ores and deposits |
| 05/08/1991 | EP0426115A1 Method for removing amine from solids |
| 05/08/1991 | EP0425808A1 High pressure extraction process and device |
| 05/08/1991 | CN2076438U Liquid-liquid extraction separator |
| 05/07/1991 | US5013443 Extraction and separation method and apparatus using supercritical fluid |
| 05/07/1991 | US5013366 Varying temperature to shift from liquid to supercritical state |
| 05/07/1991 | US5012827 Process for the extraction of organic components from solid materials |
| 05/07/1991 | CA1283772C Leaching solution distribution arm and control therefor |
| 05/02/1991 | EP0424736A1 Process for the recuperation of rhodium from residues of the destillation of products from oxosynthesis |
| 05/02/1991 | DE3936303A1 Sepn. of metal from e.g. rock, slurry or liq. waste - involves turbulent mixing of ground material with water and solvent with dissolved metal then passing through sieve |
| 05/01/1991 | CA2028685A1 Method for removing amine from solids |
| 04/30/1991 | US5011594 Process for the continuous extraction of mixtures of organic substances with supercritical solvents |
| 04/23/1991 | US5009868 Process for the extended use of strip acid employed in the reclamation of battery acid fluid from expanded lead-acid batteries |
| 04/23/1991 | US5009787 Treating with non-water-soluble liquid fluorocarbon |
| 04/23/1991 | US5009746 Method for removing stickies from secondary fibers using supercritical CO2 solvent extraction |
| 04/21/1991 | WO1991005705A1 Device for continuous contacting of liquids and solids |
| 04/18/1991 | WO1991004678A1 Process for preparing low-calorie nuts |
| 04/17/1991 | EP0422734A1 Process for extractingn-paraffins from a liquid phase by means of supercritical CO2 in a column equipped with perforated trays |
| 04/17/1991 | CN1012374B Method for continuous chemical reduction and removal of mineral matter contained in carbon structures |
| 04/13/1991 | CA2027484A1 Process for extracting an apolar substance from a liquid phase by means of a supercritic gas in an extractor equipped with perforated trays |
| 04/09/1991 | US5006166 Recovery of noble metals |
| 04/03/1991 | CN2074201U Dual-purpose pot for decocting herbal medicine |
| 03/27/1991 | EP0419364A1 Pulsating annular column functioning in continuous heavy phase with means for limiting the drag of heavy phase into the light phase in presence of gaseous evaporation |
| 03/26/1991 | US5002655 Process for the recovery of aromatic nitrogen-containing compounds |
| 03/21/1991 | WO1991003515A1 Polymer recycling by selective dissolution |
| 03/21/1991 | WO1991003296A1 Process and device for extracting fine-particle solids |
| 03/19/1991 | US5000927 Method of regulating a purex solvent extraction process |
| 03/19/1991 | CA1281530C Mixer-settler apparatus having a submerged chute |
| 03/13/1991 | EP0325614B1 Process for leaching particulate solid materials |
| 03/06/1991 | CN2072425U Multi-functional extractor |