Patents for B01D 11 - Solvent extraction (12,717)
03/1993
03/30/1993US5198471 Polymer recycling by selective dissolution
03/30/1993US5198197 Apparatus and method for supercritical fluid extraction
03/30/1993CA1315290C Extraction of particulate materials
03/25/1993DE4131313A1 Medicament from camomile flowers - contains non-polar active agent obtd. by aq. extn. in presence of ascorbic acid
03/24/1993EP0532664A1 Supported chiral liquid membrane for the separation of enantiomers.
03/18/1993WO1993004793A1 Process and device for treating contaminated substances
03/18/1993WO1993004792A1 Process for purifying substances
03/18/1993WO1993004782A1 Process and device for treating contaminated substances
03/18/1993WO1993004754A1 Process and equipment for the extraction of solid, granular and/or crushed materials with a liquid and for pretreatment thereof to further extraction
03/18/1993WO1993004753A1 Equipment for contacting a solid with a liquid, particularly for extracting a solid with a liquid
03/18/1993DE4228966A1 Bodenwaschanlage Soil washing plant
03/17/1993EP0531587A1 Method and system for separating lipophilic substances
03/17/1993CN1069903A Glass fibre reinforced plastic singletable one-stage centrifugal extractor
03/16/1993US5194152 Apparatus to contact liquids of different density
03/16/1993US5194067 Extraction with benzyl alcohol and water
03/16/1993US5193703 Methods and apparatus for forming an integral high pressure seal using mechanical actuation
03/11/1993DE4129625A1 Verfahren zur reinigung von substanzen Method for cleaning of substances
03/11/1993DE4129624A1 Verfahren und vorrichtung zur bearbeitung von kontaminierten substanzen Method and device for processing of contaminated substances
03/11/1993DE4129623A1 Verfahren und vorrichtung zur bearbeitung von kontaminierten substanzen Method and device for processing of contaminated substances
03/10/1993EP0531213A1 Modular mixer-settler device with separate stages and mechanical stirring
03/04/1993WO1993003827A1 Method and device for mass transfer
03/03/1993EP0529962A2 Purified propolis-extract, and its preparation and uses
03/03/1993EP0529845A1 Device and method for purification of liquids and for cleansing of the filtering material used in the device
03/02/1993US5190649 Apparatus for mixing aqueous ammonium chloride and sodium sulfate with sludges, rotating container having drum with lifter blades and residence zone, inlet, discharge, separating apparatus with filter tray, drying apparatus
02/1993
02/23/1993US5189222 Process for the manufacture and recovery of alkali-metal tetraorganylborates
02/23/1993US5188736 Process for the separation and recovery of extractant from spent solvent
02/17/1993EP0527685A1 Process for the separation of the actinides from lanthanides by selective extraction of the actinides in an organic solvent comprising a propane diamide
02/16/1993US5186817 Converting the hydrocarbon feed to a water in oil emulsion and solvent extracting
02/14/1993WO1993004356A1 Surfactant selection method for the extraction of chemical pollutants from soils
02/14/1993CA2089639A1 Surfactant selection method for the extraction of chemical pollutants from soils
02/09/1993US5185081 Method and apparatus for mixing and separating two liquid phases while preventing aeration and emulsions using a mixer-settler
02/09/1993US5184544 Device for cleaning vegetable, rice and the like
02/04/1993WO1993001729A1 Extraction method
02/02/1993US5183578 Process for the extraction or flushing out of a substance from a heterogenous system, and installation for carrying out the process
01/1993
01/30/1993WO1993003064A1 Process for the separation of the aqueous phase from cellulose acetate
01/30/1993CA2091758A1 Process for the separation of the aqueous phase from cellulose acetate
01/26/1993US5182406 Process and apparatus for recovering vegetable fats and oils from oil-containing natural substances
01/26/1993US5182398 α-Amino acid diamide and use thereof as cupric ion-transporting ionophore
01/21/1993WO1993001036A1 Process for preparing used polyolefine objects to provide reusable raw material
01/21/1993WO1993001000A1 Process and device for improving the treatment of sewage solids, sand, rubbish or the like
01/20/1993EP0506741A4 Process of reclaiming battery acid from lead acid batteries
01/14/1993DE4222128A1 Sewage solids removal - involves applying eddy action to wash solids for extraction to leave liq. and organic matter
01/13/1993EP0522517A1 Process for recovering a solid component from a solid composition by clarification and extraction
01/12/1993US5178735 Process for the supercritical extraction and separation of solid samples
01/07/1993EP0521675A1 Supercritical extraction of taxanes
01/07/1993EP0521418A1 Method for pretreatment of old polyolefinic objects, to be used as recycled raw material
01/07/1993DE4121181A1 Decontamination of polluted soil, etc. - by washing in fluidised bed, rinsing with water and recycling
01/05/1993CA1312291C Liquid/liquid extractions with microporous membranes
12/1992
12/30/1992CN1019639B Solvent extraction
12/23/1992WO1992022367A1 Process for drying and solvent-extraction of solids and sludges
12/23/1992CA2089182A1 Process for drying and solvent-extraction of solids and sludges
12/22/1992US5173210 Composition and use
12/22/1992US5173188 Automated extractions
12/22/1992CA1311877C Production of rapeseed protein materials
12/22/1992CA1311619C Use of citric acid partial esters for the extraction of iron
12/16/1992EP0517807A1 Process and apparatus for cleaning particulate solids
12/16/1992EP0397826B1 Cleaning process using phase shifting of dense phase gases
12/15/1992CA1311362C Screen cleaning in cil and cip systems
12/10/1992DE4118710A1 Prepn. of dry and viscous plant extracts - by distn. of ethanolic aq. fluid extracts, extn. of distillate with an immiscible liq. extractant and working up the distn. residue and extract
12/09/1992EP0516686A1 Separation by carrier mediated transport.
12/08/1992US5169968 Mass separation of liquid or soluble components from solid materials utilizing supercritical fluids
12/08/1992CA1311236C Supercritical separation process for complex organic mixtures
12/01/1992US5167883 Method for reducing the quantity of siloxane oligomer in organopolysiloxane moldings
12/01/1992US5167824 Immunochemically reversible binding by protein; resolution of naproxen ester enantiomers
11/1992
11/26/1992WO1992020812A1 Process for producing chiral compounds as pure optical isomers
11/25/1992CN2122672U Multi-functional extractor
11/19/1992EP0514201A1 Separation process using organic acids and novel organic acids
11/19/1992EP0513966A2 Bis-bibenzimidazole composition
11/12/1992WO1992019371A1 Multi-stage centrifugal extraction apparatus
11/04/1992EP0511673A1 Process for the supercritical extraction and fractionation of spices
11/03/1992US5160624 Automatic injection; high pressure vessel; high speed
11/03/1992US5160623 Extraction or reaction of heavy and light streams, desulfurization of hydrocarbon oils with sodium hydroxide
11/03/1992US5160044 Supercritical extraction
11/03/1992CA1309596C Rare earths liquid-liquid extraction separation process
11/03/1992CA1309595C Rare earths liquid-liquid extraction separation process
10/1992
10/29/1992WO1992018422A1 Inorganic perbromide compositions and methods of use thereof
10/29/1992CA2107895A1 Inorganic perbromide compositions and methods of use thereof
10/27/1992US5158704 Supercritical fluid reverse micelle systems
10/27/1992US5158603 In presence of water insoluble weak organic acid
10/21/1992EP0409972B1 Apparatus and method for delivering supercritical fluid
10/20/1992US5156812 Modular solvent extractor/concentrator apparatus with in-line drying adaptor
10/20/1992CA1308879C Method and apparatus for solids separation in a wet oxidation type process
10/20/1992CA1308878C Mass transfer extraction of liquids from solids
10/15/1992DE4111868A1 Cleaning oil contaminated soil - by mixing soil with gas which absorbs oil
10/14/1992EP0508915A1 Mono- and multi-stage centrifugal extractors
10/14/1992EP0508330A1 Rhizoma petasitidis extraction process with carbon dioxide
10/14/1992CN2118571U Single cylinder type centrifugal extractor
10/13/1992US5155040 Extracting with alcohol
10/13/1992US5154831 Solvent extraction process employing comminuting and dispersing surfactants
10/07/1992EP0506741A1 Process of reclaiming battery acid from lead acid batteries
10/06/1992US5153015 Decaffeinating coffee and tea
10/06/1992CA1308232C Method for the continuous chemical reduction and removal of mineral matter contained in carbon structures
10/06/1992CA1308230C Recovery of hydrogen fluoride from an aqueous solution containingammonium fluoride and hydrogen fluoride
10/01/1992WO1992016289A1 Treatment of particulate material
09/1992
09/29/1992US5151188 Supercritical fluid extraction enhancer
09/28/1992WO1992017887A1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag
09/28/1992CA2107111A1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag
09/20/1992CA2038620A1 Method and apparatus for washing or decontaminating soils or any other solid mixture
09/17/1992WO1992015597A1 Extraction system
09/17/1992WO1992015383A1 Device adaptable to a container, particularly for chemical reactions, reactor comprising said device and use of said reactor