| Patents for B01D 11 - Solvent extraction (12,717) |
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| 03/15/2000 | CN1247162A Extraction and displacement process for treating waste liquid of acetochlor |
| 03/15/2000 | CN1050345C Method for treatment of coal slurry |
| 03/14/2000 | US6036630 Centrifugal extraction process |
| 03/09/2000 | WO2000012470A1 Hydroperoxide decomposition process |
| 03/09/2000 | CA2339588A1 Hydroperoxide decomposition process |
| 03/08/2000 | CN2367367Y Rotary disc extracting tower fitted with interstage rotary baffle |
| 03/07/2000 | US6033693 Calcium product and a raw material for the product and processes for their preparation |
| 03/07/2000 | US6033579 Red mud dewatering and washing process |
| 03/07/2000 | US6033575 Method and apparatus for mixing/separating two non-miscible liquids |
| 03/02/2000 | WO2000010674A1 Method for evaluation of the ratio of amounts of biomolecules or their sub-populations in a mixture |
| 03/01/2000 | CN2366159Y Equipment for extracting volatile oil |
| 02/24/2000 | DE19938931A1 Insecticide derived from plant source, e.g. Geranium, Morus, Crataegus, Rubia, Artemisia, Curcuma, Uncaria, Rheum, Diospyros or Polygonum, useful for hygiene and wood preservation |
| 02/23/2000 | CN2364948Y Device for regulating clarification chamber interface of mixed defecator |
| 02/23/2000 | CN1245501A Method and device for production of lyophilized hydrochloride -1 'beta', 10 'beta'-epoxy-13-dimethylamino-guaia -3(4)-6,12-olide |
| 02/22/2000 | US6026880 Extraction; adsorption; tire manufacturing |
| 02/16/2000 | EP0979811A1 Process for removing organic and/or inorganic acids from organic phases |
| 02/10/2000 | WO2000006616A1 Process and apparatus for removing impurities from polymers |
| 02/09/2000 | CN2362564Y Multi-function pot with stirring oar for extracting traditional Chinese medicine |
| 02/09/2000 | CN2362563Y Machine for extracting and concentrating traditional Chinese medicine |
| 02/09/2000 | CN1243760A Multifunctional rapid extracting fusion equipment |
| 02/09/2000 | CN1049157C Purification method of by-product hydrobromic acid |
| 02/08/2000 | US6022477 Passing feed solution into membrane module to separate bioproducts from feed solution by permeation; allowing permeated bioproducts to contact adsorbent particles; fractionating and purifying retained products |
| 02/02/2000 | EP0977031A1 Solid-liquid countercurrent extraction continuously separating apparatus |
| 02/01/2000 | US6020365 Anticancer agents; antitumor agents |
| 02/01/2000 | US6019798 Process for recovering dyestuff from dyestuff-containing information-recording media and solvent used for recovery |
| 01/27/2000 | WO2000003950A1 Optical devices |
| 01/27/2000 | WO1999063545A3 Apparatus for dissolving nuclear fuel |
| 01/26/2000 | EP0973592A1 Multiphase extractor with a wash chamber |
| 01/26/2000 | EP0973591A1 Process and apparatus for a mixture resolution |
| 01/26/2000 | EP0973590A1 Solvent extraction |
| 01/26/2000 | CN1048646C Method for extracting organic substance from materials contg. same,solvent for use in said method |
| 01/19/2000 | EP0971778A1 Method for exchanging materials between two liquid phases |
| 01/19/2000 | CN2358963Y Stirring slurry for forward phosphoric extraction reactor |
| 01/19/2000 | CN1241560A Method of extracting the effective components from gettama leaf by using supercritical carbon dioxide |
| 01/19/2000 | CN1241447A Double-water phase distribution and temperature-change solvent counter-extraction process to extract scutellaria flavonoid |
| 01/18/2000 | CA2067347C Device for continuous contacting of liquids and solids |
| 01/12/2000 | EP0786021B1 Process for making copper foil |
| 01/12/2000 | CN2357794Y Domestic production type animal and plant medicinal component extracting equipment |
| 01/12/2000 | CN1240677A Power transmission device for centrifugal herb extractors |
| 01/11/2000 | US6013593 Wet recycling for impregnated active carbon used to remove radioactive organic iodide in a nuclear power plant by extracting with acetonitrile solvent and reporducing active carbon, separting carbon, distilling acetonitrile filtrate |
| 01/06/2000 | WO2000000265A1 Filtration and extraction device and method of using the same |
| 01/05/2000 | EP0832306B1 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores |
| 01/05/2000 | CN1240370A Multi-phase extraction apparatus |
| 12/29/1999 | CN1239898A Material treatment |
| 12/28/1999 | US6007722 Extraction method |
| 12/23/1999 | WO1999065504A1 Extraction method, pharmaceutical composition and a cosmetic composition |
| 12/22/1999 | EP0964733A2 Triphase extraction column |
| 12/22/1999 | CN2354625Y Supercritical fluid extracting apparatus |
| 12/16/1999 | WO1999064027A1 Extracts of hypericum perforatum and formulations containing them |
| 12/16/1999 | CA2334625A1 Extracts of hypericum perforatum and formulations containing them |
| 12/15/1999 | EP0963451A1 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals |
| 12/15/1999 | EP0963228A1 Process for simultaneous extraction of dispersed and dissolved hydrocarbon contaminants from water |
| 12/15/1999 | EP0888177B1 Method of carrying out a treatment in the presence of a centrifugal force and an apparatus therefor |
| 12/15/1999 | CN2353431Y Multi-layer solid-material bucket in supercritical CO2 extracation apparatus |
| 12/14/1999 | US6001245 Separating solid particles from used lubricant compositions |
| 12/14/1999 | US6001221 Extraction and drying apparatus |
| 12/09/1999 | WO1999063545A2 Apparatus for dissolving nuclear fuel |
| 12/08/1999 | EP0962241A1 An electrostatic treating apparatus |
| 12/07/1999 | US5998640 Method for recovering oil from an oil-bearing solid material |
| 12/07/1999 | US5997929 Extraction process |
| 12/07/1999 | US5996247 Extraction and drying method |
| 11/30/1999 | CA2168250C Accelerated solvent extraction system |
| 11/24/1999 | EP0895516B1 Process for separating organic monomers or auxiliaries |
| 11/24/1999 | CN1235855A Rotary-disc extracting tower provided with interstage rotary baffle plate |
| 11/23/1999 | US5989557 Process for extracting polyphenol fractions of tea and compositions produced therewith |
| 11/23/1999 | US5989508 Liquid medium extraction purification method |
| 11/18/1999 | WO1999058611A2 Process for extracting carotenes from carotene-containing materials |
| 11/18/1999 | DE19821009A1 Extraction of carotenes useful as antioxidants and natural colorants in food |
| 11/18/1999 | CA2326581A1 Process for extracting carotenes from carotene-containing materials |
| 11/17/1999 | EP0956388A1 Feeding of washing liquid in a pulp washer |
| 11/17/1999 | EP0956125A1 Extraction method and apparatus |
| 11/17/1999 | EP0956124A1 Extraction method |
| 11/17/1999 | EP0956123A1 Method for processing a sample |
| 11/17/1999 | CN2348902Y Novel energy-saving inclined bottom type phosphoric acid extraction trough |
| 11/17/1999 | CN2348845Y Apparatus for purifying traditional Chinese medicine |
| 11/16/1999 | US5986133 Recovery of fermentation salts from dilute aqueous solutions |
| 11/11/1999 | WO1999057217A1 Environmentally preferred fluids and fluid blends |
| 11/11/1999 | CA2331617A1 Environmentally preferred fluids and fluid blends |
| 11/10/1999 | EP0891313A4 Method and apparatus for recovering oil from an oil-bearing solid material |
| 11/03/1999 | CN1233969A Process for fluid/dense gas extraction under enhanced solubility condition |
| 11/02/1999 | US5976218 Process for the recovery of nickel |
| 10/27/1999 | CN2345264Y Membrane extraction-reextraction integral equipment |
| 10/27/1999 | CN1232701A Process for preparing herbal compositions for treatment of bronchitis and respiratory disorders with anticancer properties |
| 10/26/1999 | US5972214 Column with distributor for allowing independent injection and/or removal of fluids |
| 10/20/1999 | EP0950429A1 Method for separating objective component |
| 10/20/1999 | CN2344067Y Diffuser for Chinese gutta percha |
| 10/19/1999 | US5968232 Method for ammonia production |
| 10/19/1999 | CA2138393C Extraction of oils from grain materials and grain-based food products |
| 10/14/1999 | WO1999051795A1 Method for preparing alkaline etching solutions containing metal |
| 10/14/1999 | WO1999051364A1 Carbon dioxide cleaning and separation systems |
| 10/14/1999 | WO1999051315A1 Multistage extraction tower with a static mixture and integrated phase coalescer |
| 10/14/1999 | DE19913089A1 Composition comprising plant extracts from at least two of Bryonia, Ipecacuanha or Drosera, and antimony potassium tartrate, useful for treatment of chronic obstructive pulmonary disease, bronchitis, respiratory disorders and cancer |
| 10/14/1999 | CA2326585A1 Carbon dioxide cleaning and separation systems |
| 10/12/1999 | US5965784 Bringing feedstock into intimate countercurrent contact with solvent immiscible with feedstock to extract aromatic compounds; separating immiscible phases to produce raffinate and extract rich in aromatic compounds; separation |
| 10/12/1999 | US5965025 Detoxification by solvent extracting metalloid and metal species from a solid or liquid material by a supercritical fluid solvent containing a chelating agent, forming chelates that are soluble in the supercritical fluid |
| 10/12/1999 | US5964987 Purification of natural cresylic acid product by distilling to produce phenolic mixture; countercurrent liquid/liquid fractional extraction using heavy phase solvent of mixture of glycerol and polyhydric alcohol and light phase solvent |
| 10/07/1999 | DE19815288A1 Verfahren zur energiesparenden und abwasserfreien Aufbereitung ammoniakalischer Metallösung aus dem Ätzvorgang zur Herstellung der Leiterplatten Method for energy saving and zero discharge treatment ammoniacal solution of the metal etching process for the production of printed circuit boards |
| 10/07/1999 | DE19815287A1 Mehrstufen Gegenstrom Extraktionsturm mit statischem Mischer und integriertem Koaleszenzer Multistage countercurrent extraction tower with static mixer and integrated coalescing |
| 10/06/1999 | EP0946565A1 Method and device for production of lyophilized hydrochloride-1ss, 10ss-epoxy-13-dimethylamino-guaia-3(4)-en-6,12-olide |
| 10/06/1999 | EP0946234A1 Multi-phase extraction apparatus |