| Patents for B01D 11 - Solvent extraction (12,717) |
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| 05/14/1999 | WO1999022837A1 Batch-continuous countercurrent mass exchange process |
| 05/14/1999 | CA2310601A1 Batch-continuous countercurrent mass exchange process |
| 05/12/1999 | EP0914482A1 Method and apparatus for back-extracting metal chelates |
| 05/11/1999 | US5902809 Arglabin compounds and therapeutic uses thereof |
| 05/11/1999 | US5902474 Chloride assisted hydrometallurgical extraction of metal |
| 05/11/1999 | CA2136600C Process for the removal of organic solvents from wastewaters |
| 05/06/1999 | WO1999021654A1 Inorganic-organic hybrid gels for extracting species such as lanthanides and actinides, and their preparation |
| 05/06/1999 | WO1999021634A1 Process and plant to extract and concentrate tannins from wood and from other natural products |
| 05/06/1999 | EP0912216A1 Salt purification facility |
| 05/05/1999 | CN2317231Y Timing and quantitative solvent spray device |
| 05/05/1999 | CN1215606A Calcium product and raw material thereof, and process of producing thereof |
| 04/28/1999 | EP0911043A1 Method for measuring performance parameters of substance and energy exchange modules |
| 04/28/1999 | EP0910960A2 Calcium product and a raw material for the product and processes for their preparation |
| 04/28/1999 | EP0910446A1 Method and apparatus for diffusive transfer between immiscible fluids |
| 04/28/1999 | CN1043156C Rare earth electrolytic extracting process and reactor thereof |
| 04/27/1999 | US5897866 Process for the extraction of lycopene using phospholipid in the extraction medium |
| 04/22/1999 | WO1999019523A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream |
| 04/22/1999 | WO1999018939A1 Methods of treating capsules and dry, powdered pharmaceutical formulations |
| 04/21/1999 | EP0909206A1 Extraction method and apparatus |
| 04/14/1999 | EP0907394A1 Device and installation for microwave extracting of organic compounds from a sample |
| 04/14/1999 | EP0623100B1 Solvent extraction of oil from oil bearing materials |
| 04/14/1999 | CN2313654Y Vacuum solid extractor |
| 04/07/1999 | EP0850267A4 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer |
| 04/06/1999 | US5891433 Useful in batch or continuous diffusers for extracting soluble solids from subdivided solids containing small particles and fines |
| 04/06/1999 | US5891341 Compositions and devices for partitioning advanced glycosylation endproducts, and methods of their use |
| 03/31/1999 | EP0904336A1 Method of preparing low-sulphur aliphatic compounds |
| 03/31/1999 | CN1042723C Method for preparing potassium sulphate |
| 03/25/1999 | WO1999014160A1 Treatment of molten salt reprocessing wastes |
| 03/24/1999 | EP0804624B1 Chloride assisted hydrometallurgical copper extraction |
| 03/24/1999 | CN1211541A Extracting and recovering treatment method for agricultural chemicals waste water |
| 03/23/1999 | US5884769 Particulate material processing tray |
| 03/18/1999 | WO1999013130A1 Method for preparing alkaline metal-containing etching solutions |
| 03/18/1999 | WO1999013116A1 Process for recovery of gold and/or silver |
| 03/18/1999 | CA2342899A1 Process for recovery of gold and/or silver |
| 03/17/1999 | EP0901998A1 Neutral oil removal from natural cresylic acid mixtures |
| 03/17/1999 | EP0901405A1 Fibrinogen apparatus, method and container |
| 03/17/1999 | EP0871526A4 High pressure and temperature solvent extraction cell |
| 03/16/1999 | US5882114 Method of continuous extraction of crude wax and apparatus therefor |
| 03/11/1999 | WO1999011830A1 Method and apparatus for controllably conducting a solution obtained from liquid-liquid extraction of two solutions and mixed into dispersion, to a wide settler |
| 03/11/1999 | WO1999011349A1 Counter-current extractor |
| 03/10/1999 | EP0682806B1 Process for the treatment of particulate material |
| 03/09/1999 | US5879634 High pressure containment assembly |
| 03/09/1999 | US5879556 Contacting effluent from solvent extraction circuit with diluent to transfer entrained extractant to diluent, separating aqueous and organic phases |
| 03/04/1999 | WO1999010087A1 Method for separating actinides and lanthanides by membrane transport using a calixarene |
| 03/04/1999 | DE4143541C2 High pressure reaction appts. for microwave-assisted reaction |
| 03/03/1999 | EP0592654B1 Device for evaporating preferably liquid substances, in particular reagents, or for preparing or analyzing sampled materials |
| 03/02/1999 | USRE36118 Chemical process of separating metals from an organic complex |
| 02/24/1999 | EP0897932A1 Extraction of metal residues from polymer cements |
| 02/24/1999 | EP0897316A1 Method and apparatus for diffusive transfer between immiscible liquids |
| 02/24/1999 | CN1208922A Method of recycling disk recording medium and apparatus for recovering metal reflective film |
| 02/23/1999 | US5874055 Oxidizing ore under pressure in presence of acidic solution containing halide and sulfate ions to produce slurry,filtering, solvent extracting filtrate to produce copper concentrate, recycling depleted raffinate |
| 02/23/1999 | US5874004 Phase separation filter device |
| 02/23/1999 | US5873262 Desalination through methane hydrate |
| 02/17/1999 | CN2307616Y Screw-type continuous counterflow extraction device |
| 02/11/1999 | WO1999006132A1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor |
| 02/11/1999 | WO1999006057A1 Soya extract, process for its preparation and pharmaceutical composition |
| 02/10/1999 | EP0895516A1 Process for separating organic monomers or auxiliaries |
| 02/09/1999 | US5869123 System for processing liquid foodstuff or liquid medicine with a supercritical fluid of carbon dioxide |
| 02/09/1999 | US5869012 Chloride assisted hydrometallurgical extraction of metal |
| 02/09/1999 | US5868856 Reacting inorganic contamination with a conversion agent then subjecting to a solvent agent |
| 02/09/1999 | CA1340385C Recovery of precious metals |
| 02/04/1999 | WO1999004883A1 Method for ammonia production |
| 02/04/1999 | CA2296288A1 Method for ammonia production |
| 02/03/1999 | EP0710126A4 A plasma delipidation system |
| 02/03/1999 | CN2306053Y Extracting pot for overcritical carbon dioxide extracting process |
| 02/03/1999 | CN1041889C Stable extracts from neem seeds |
| 02/02/1999 | US5866750 Method for removal of metal alkoxide compounds from liquid hydrocarbon |
| 02/02/1999 | US5866004 Automated supercritical fluid extraction method and apparatus |
| 01/27/1999 | EP0892825A1 A method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical use |
| 01/27/1999 | EP0670846B1 A process for the purification of natural pulmonary surfactant material using supercritical fluids |
| 01/27/1999 | CN2305238Y Extracting device |
| 01/27/1999 | CN1205985A Treatment process of naphthenic acid effluents in oil refinery |
| 01/20/1999 | EP0891313A1 Method and apparatus for recovering oil from an oil-bearing solid material |
| 01/20/1999 | EP0891213A1 Extraction of organic compounds from aqueous surfactant-containing solutions |
| 01/20/1999 | EP0755291A4 Method and apparatus for gathering analyte |
| 01/20/1999 | CN1205648A Extraction method and appts. |
| 01/19/1999 | US5861473 Method for cleaning elastomeric articles |
| 01/19/1999 | US5861122 Restrictor orifice for off-line supercritical fluid extraction collection system |
| 01/19/1999 | CA2035701C Active liquid distributor containing, packed column |
| 01/13/1999 | CN1041628C Method for separating sulfone from hydrocarbon stream having small concentration of sulfone |
| 01/07/1999 | WO1999000352A1 Recovery of fermentation salts from dilute aqueous solutions |
| 01/07/1999 | WO1999000330A1 Desalination through methane hydrate |
| 01/07/1999 | EP0888177A1 Method of carrying out a treatment in the presence of a centrifugal force and an apparatus therefor |
| 01/07/1999 | EP0787029B1 Method and apparatus for diffusive transfer between immiscible fluids |
| 01/06/1999 | CN1204269A Multiphase extractor |
| 01/05/1999 | US5855858 Process for the recovery of nickel and/or cobalt from an ore or concentrate |
| 01/05/1999 | US5855786 Process for high-pressure spray extraction of liquids |
| 12/30/1998 | WO1998058722A1 Treatment of a substance with a dense fluid (e.g. with a supercritical fluid) |
| 12/30/1998 | CA2294367A1 Treatment of a substance with a dense fluid (e.g. with a supercritical fluid) |
| 12/29/1998 | US5853488 Processes for extracting sugars from dates and for making novel food products |
| 12/23/1998 | EP0885170A1 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/23/1998 | EP0885166A1 Process for hydrogen fluoride separation |
| 12/22/1998 | US5851453 Method and apparatus for the formation of particles |
| 12/17/1998 | WO1998056482A1 Pre-equilibration of a cationic extractant |
| 12/17/1998 | WO1998037939A3 Triphase extraction column |
| 12/16/1998 | EP0706421B1 Method and apparatus for the formation of particles using a supercritical fluid |
| 12/15/1998 | US5849249 Solid phase extraction apparatus for enhanced recovery and precision |
| 12/15/1998 | CA1340194C Process and device for solvent extraction, particularly of solid substances |
| 12/09/1998 | EP0820334A4 Automated analyte extraction apparatus and method |
| 12/09/1998 | CN1201400A Agitated-packed extraction column |