| Patents for B01D 11 - Solvent extraction (12,717) |
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| 10/12/1994 | CN2179191Y Supercritical fluid extraction instrument |
| 10/12/1994 | CN2179190Y Automatic extraction instrument |
| 10/07/1994 | CA2120661A1 Method and apparatus for fractionating fatty acid ester mixtures |
| 10/05/1994 | EP0617713A1 Method for removing residual additives from elastomeric articles |
| 10/05/1994 | EP0436690B1 Extracts of the acanthospermum hispidum plant |
| 09/29/1994 | WO1994021345A1 Removing toxic metals from solutions |
| 09/29/1994 | CA2157923A1 Process for the removal of toxic cyanide and heavy metal species from alkaline solutions |
| 09/28/1994 | EP0616838A1 Hollow fibers cleaning process |
| 09/28/1994 | EP0616821A1 Fragrance extraction |
| 09/21/1994 | EP0561955B1 A method of continuously decontaminating a material, and an assembly for carrying out the method |
| 09/15/1994 | WO1994020486A1 Method and apparatus for extracting taxol from source materials |
| 09/15/1994 | WO1994020197A1 Separation of solutes in gaseous solvents |
| 09/15/1994 | WO1994020192A1 Method and apparatus for performing a solid-phase extraction under pressurized conditions |
| 09/15/1994 | WO1994020190A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | WO1994020189A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | WO1994020188A1 Apparatus and method for supercritical fluid extraction |
| 09/15/1994 | DE4328013C1 Method of separating a material mixture comprising a plurality of components in an extruder |
| 09/15/1994 | CA2158050A1 Method and apparatus for extracting taxol from source materials |
| 09/14/1994 | EP0557274B1 Recovery of palladium |
| 09/06/1994 | US5345029 Determining fractions of petroleum fuels by supercritical fluid chromatography |
| 09/06/1994 | US5344971 Process for deodorizing a mercapto acid by extracting malodorous compound therefrom with a supercritical fluid |
| 09/06/1994 | US5344564 Absorption by oil or fat |
| 09/06/1994 | US5344255 Oil, water and sand separator |
| 08/31/1994 | EP0612725A1 Solvent extraction of beta-carotene |
| 08/31/1994 | EP0612263A1 Removal of hydrocarbons, cooling lubricants and/or oils from the surface of fine particles. |
| 08/31/1994 | CN1091411A Process for separating enantiomers from a racemic mixture |
| 08/30/1994 | US5342937 Heterocyclic thione |
| 08/30/1994 | US5342526 Solvent extraction using dialkylthietane |
| 08/30/1994 | US5341826 Apparatus for compressing and washing contaminated raked-off or screened material, particularly in sewage treatment plants |
| 08/24/1994 | CN1025721C Glass fibre reinforced plastic singletable one-stage centrifugal extractor |
| 08/23/1994 | US5340475 On-line supercritical fluid extraction multidimensional chromatographic system |
| 08/23/1994 | US5340472 Apparatus for processing wastes from the machining of ferromagnetic materials |
| 08/23/1994 | US5339844 Low cost equipment for cleaning using liquefiable gases |
| 08/18/1994 | WO1994017889A1 Method and apparatus for supercritical extraction |
| 08/17/1994 | CN2174245Y Fast-acting continuous extracting device for tea polyphenols |
| 08/16/1994 | US5338575 High pressure solvent extraction using water saturated with carbon dioxide, then rapid depressurization for expansion, rinsing, drying, roasting, recovering pure crystalline caffeine from aqueous solvent |
| 08/16/1994 | US5338520 Recovery of neodymium/didymium values from bastnaesite ores |
| 08/16/1994 | CA1331492C Common separation of contaminating elements from electrolyte solutions of valuable metals |
| 08/10/1994 | CN1090597A Method and apparatus for the extraction of oils from grain materials and grain-based food products |
| 08/09/1994 | US5336869 Method and apparatus for manipulating fluid |
| 08/04/1994 | WO1994016791A1 Solvent extraction process and unit and in-line apparatus made of such extraction units, in particular with solvent recovery |
| 08/03/1994 | CN1025556C Solvent extraction process |
| 08/02/1994 | CA1331226C Cation extraction process and application thereof to aqueous effluent treatment |
| 07/26/1994 | US5332420 Chemical process of separating metals from an organic complex |
| 07/26/1994 | CA1330956C Apparatus and method for environmental leaching testing |
| 07/21/1994 | WO1994015483A1 Food products, nutraceuticals, and pharmaceuticals produced from selective extraction of carbonaceous materials |
| 07/21/1994 | DE4342798A1 Isolation of carotenoid(s) from sea water algae, e.g. dunaliella |
| 07/20/1994 | EP0354243B1 Process for concentrating and purifying alchohol |
| 07/20/1994 | CN1089575A Process for prodn. of potassium sulphate using benzene dilution method |
| 07/13/1994 | CN1089117A Recycling cellulose esters from the waste from cigarette manufacture |
| 07/12/1994 | US5328934 Contacting cellulose acetate polymer with a supercritical fluid |
| 07/06/1994 | EP0604446A1 Extraction method |
| 07/05/1994 | CA1330549C Pool chemical dispenser |
| 06/28/1994 | US5324851 Recovery of palladium catalyst |
| 06/23/1994 | WO1994013733A1 Method for eliminating pollutants of low molecular weight contained in elastomer seals and plastic materials |
| 06/23/1994 | WO1994013378A1 Separating zinc and manganese oxides |
| 06/23/1994 | WO1994013377A1 Process and device for separating a mixture or extracting a material |
| 06/21/1994 | US5322626 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids |
| 06/16/1994 | DE4241487A1 Neue Extrakte von Cucurbita sp., Verfahren zu deren Herstellung und deren Verwendung in Arzneimitteln und in der Kosmetik New extracts of Cucurbita spp., Process for their preparation and their use in medicaments and in the cosmetic |
| 06/15/1994 | EP0601275A2 Methods and apparatus for automatically adding fluid reagents to sample containers |
| 06/14/1994 | US5320861 Fruit extraction and infusion |
| 06/09/1994 | WO1994012683A1 Apparatus and methods for treating electroless plating baths |
| 06/09/1994 | WO1994012525A1 A process for the purification of natural pulmonary surfactant material using supercritical fluids |
| 06/09/1994 | WO1994012502A1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 06/09/1994 | WO1994012460A1 Process for preparing substantially pure enantiomers of phenylpropionic acids |
| 06/07/1994 | US5318706 Purifying by diffusion through a resin membrane |
| 06/07/1994 | CA1330131C Method for extraction |
| 05/31/1994 | US5316591 Cleaning with liquid carbon dioxide, nitrous oxide, sulfur hexafluoride or xenon plastic substrates |
| 05/24/1994 | US5313965 Continuous operation supercritical fluid treatment process and system |
| 05/17/1994 | US5312549 Method and apparatus for extracting organic liquids from an organic liquid solute/solvent mixture |
| 05/11/1994 | DE4237358A1 Mass transfer column with variable distance spaced apart trays - for adjustment of droplet size, hold up and turndown |
| 05/10/1994 | US5310934 Dissolving in a polar, nonvolatile solvent and crystallization |
| 05/04/1994 | EP0595443A1 Apparatus for supercritical fluid extraction |
| 05/04/1994 | EP0595184A1 Recycling cellulose esters from the waste from cigarette manufacture |
| 05/04/1994 | CN2163680Y Liquid-liquid extracting block |
| 04/28/1994 | WO1994008684A1 Process for extracting and rebuffering and/or concentrating dissolved macromolecules of a macromolecular mixture |
| 04/28/1994 | WO1994008683A1 Automated supercritical fluid extraction |
| 04/28/1994 | DE4336268A1 Emission-free extn esp of bitumen from asphalt - with reduced solvent requirement and without use of chlorocarbon(s) |
| 04/28/1994 | CA2147134A1 Process for extracting and rebuffering and/or concentrating dissolved macro-molecules of a macromolecular mixture |
| 04/27/1994 | CN1024322C Processing nitrogen-rich, hydrogen-rich and olefin-rich gases with physical solvents |
| 04/21/1994 | DE4234728A1 Verfahren für die Gewinnung und die Umpufferung und/oder Einengung von gelösten Makromolekülen eines Makromolekülegemisches Method for the extraction and re-buffering and / or concentration of dissolved macromolecules of a macromolecule mixture |
| 04/20/1994 | EP0593314A1 Procedure to deodorise a mercapto acid and product thus obtained |
| 04/20/1994 | EP0592772A2 Extraction tower |
| 04/20/1994 | EP0592654A1 Device for evaporating preferably liquid substances, in particular reagents, or for preparing or analyzing sampled materials |
| 04/14/1994 | WO1994007814A1 Process for separating enantiomers from a racemic mixture |
| 04/14/1994 | CA2146553A1 Process for separating enantiomers from a racemic mixture |
| 04/12/1994 | US5302211 Process for the remediation of contaminated soil |
| 03/30/1994 | EP0588809A1 Process for producing chiral compounds as pure optical isomers |
| 03/30/1994 | EP0468978B1 Process for recovering germanium |
| 03/30/1994 | CN1084354A Stable extracts from neem seeds |
| 03/22/1994 | US5296145 Apparatus and method for supercritical fluid extraction |
| 03/16/1994 | CN1023973C Process for extracting apolar substance from liquid phase by means of super critic gas in extractor equipped with perforated trays |
| 03/09/1994 | CN2158296Y Extraction equipment for fat |
| 03/09/1994 | CN1083535A Frame loading total-immersion dynamic countercurrent leaching process |
| 03/09/1994 | CN1083513A Method for separating petroleum heavy oil |
| 03/03/1994 | WO1994004289A1 Process and plant for decontaminating solid materials contaminated with organic pollutants |
| 03/03/1994 | WO1994004288A1 Apparatus and process for the remediation of contaminated soil |
| 03/03/1994 | DE4227962A1 Verfahren und Anlage zum Sanieren von mit organischen Schadstoffen kontaminiertem Boden Method and apparatus for remediating contaminated with organic pollutants floor |
| 03/03/1994 | DE4223029A1 Extractive removal of tar oils from wood - comprises using supercritical gas as extraction agent. |
| 03/01/1994 | US5290959 Under pressurization, using carbon dioxide |