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Matches 1,501 - 1,550 out of 8,679

Document Document Title
WO2000019833A3
Typical current methods for producing large quantities of extracts from solid raw materials such as ground, roasted coffee are designed for exhaustive extraction. Such methods are not ideally suited to producing high quality coffee extra...  
WO/2001/000889A1
A solvent extraction composition is provided which comprises one or more orthohydroxyarylaldoxime or orthohydroxyarylketoxime and at least one dialkyl ester of an optionally substituted ethylene or polyethylene glycol and preferably a wa...  
WO/2000/074623A2
Improvements to personal vehicles including self-propelled and balancing personal vehicles. Ready detachability of a seat, footrest, seat back, control unit, wheels and caster assembly is provided using quick disconnect mechanisms.  
WO/2000/074805A1
The invention relates to a device for fractionating mixtures comprising separation elements which are series mounted and mounted in a closed loop. Said device is characterized in that the solvent used is a supercritical pressurized fluid...  
WO/2000/074695A2
Extracts of Tanacetum parthenium with a reduced content of $g(a)-unsaturated $g(g)-lactons, particularly of parthenolide, obtainable by elution on basic resins. The extracts of the invention have favourable pharmacological properties tog...  
WO/2000/072861A1
This invention relates to methods of extracting and purifying bioactive substances from various plants and herbs. More specifically the invention relates to methods of extracting and separating bioactive substances from various plants an...  
WO2000039138A8
A process for the purification of nucleosides, and more particularly to a selective solvent extraction method for purifying protected nucleosides. In the purification process, solid particles of protected nucleosides are selectively wash...  
WO/2000/069538A1
The invention relates to a method for extracting copper in liquid-liquid solvent extraction from aqueous solution with a high sulphate content, by raising the viscosity of the extraction solution and by dispersing the aqueous solution in...  
WO/2000/066253A1
The invention relates to a method for separating one or more organic substances which are present in an aqueous mixture and which contain at least one positively charged and/or chargeable nitrogenated group, using extraction via at least...  
WO2000027601A8
In impregnating or extracting treatments of resin-containing wood substrates using a resin-soluble supercritical fluid as delivering or extractive solvent medium problems due to exudation of resin from the wood substrate at pressure rele...  
WO/2000/066960A1
The invention relates to a method for extracting the natural juice of ligneous plant material, a device for carrying out said method and the use of said method in the production of dried ligneous plant material. The method for extracting...  
WO/2000/065018A1
A stable fluid comprising compressed fluid carbon dioxide, an inert gas and a fluorochemical stabilizer is disclosed. The fluid composition is useful in cleaning of metals, glass, ceramics, natural and synthetic polymers, and fabrics and...  
WO/2000/064555A2
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is described. The process comprises the steps of (1) contacting the raw material with an extra...  
WO/2000/061527A2
Enhanced synthesis of transition metal dithiolene complexes is described. [1,2-bis(Trifluoromethyl)ethylene-1,2-dithiolato]nickel selectively and reversibly binds olefins (C¿2? to C¿6?). Under the same conditions, the complex does not ...  
WO/2000/056417A1
The invention relates to a method of separating substances according to which a substance containing at least a first and a second component are introduced, together with a wash fluid, into a container having at least one settling chambe...  
WO/2000/054881A1
The invention provides a complexant for complexing an anion, particularly, but not exclusively, a pertechnetate anion. The complexant has at least one cation binding site and, when said at least one cation binding site is occupied by a c...  
WO/2000/053540A1
An apparatus for continuously calcining gypsum includes a flash calcining impact mill, a feed bin adjacent the impact mill for holding gypsum, and a gypsum feed control mechanism for supplying gypsum from the feed bin to the impact mill ...  
WO/2000/052118A1
The invention relates to a method for treating an oil using a liquid in a supercritical state. The invention relates more specifically to a method for refining an oil in order to separate the pollutants therefrom and to recover a refined...  
WO2000019833A9
Typical current methods for producing large quantities of extracts from solid raw materials such as ground, roasted coffee are designed for exhaustive extraction. Such methods are not ideally suited to producing high quality coffee extra...  
WO/2000/048201A1
Methods for decontaminating toxic waste, particularly solid carrier materials, such as soil contaminated with a toxin, or solid mixed wastes are more efficiently decontaminated with solvated electrons by first extracting the toxin from t...  
WO/2000/047785A1
The process of the present invention comprises extracting praseodymium, neodymium, and optional cerium from a first aqueous solution comprising chlorides or sulfates of light rare earth into an organic solution; and separating product pr...  
WO2000028553A3
The invention relates to a method for disposing of metal cations by binding them to a cationic exchange resin. The aim of the inventive method is to reduce the valency of the metal which produces the metal cations to the smallest possibl...  
WO/2000/043471A1
The present invention relates to a method of extracting and concentrating oils from materials in which the oils are already dispersed. More particularly, the present invention is concerned with the extraction of fixed oils or mineral oil...  
WO/2000/043353A1
The invention relates to a method for reducing the content of 3-dimethylamino-2-phenylpropionic acid ethyl ester in a solution that is contaminated therewith, whereby the solution is 2-dimethylamino-1-phenyl-3-cyclohexene-1-carboxylic ac...  
WO/2000/042051A1
The invention concerns novel calixarenes of formula (I) wherein: R?1¿ and R?2¿, identical or different, are alkyl, alkoxy or aryl groups; and n is an integer equal to 2, 3 or 4. Said calixarenes are very useful for extracting actinides...  
WO/2000/040257A1
The present invention pertains to the field of medicine and essentially relates to antitumoral agents as well as to methods for producing the same. This agent contains products from the alkaline hydrolysis and the oxidation of lignin, po...  
WO/2000/040598A1
A method for the separation of a predetermined compound comprising i) partitioning the compound in a two-phase system (system A) in which at least one of the phases is rich (phase 1) and the other is poor (phase 2) in a thermoseparating ...  
WO/2000/039138A1
A process for the purification of nucleosides, and more particularly to a selective solvent extraction method for purifying protected nucleosides. In the purification process, solid particles of protected nucleosides are selectively wash...  
WO/2000/039350A1
The invention relates to a method for extracting anions based on metals of the V group to the VII group of the periodic table from the aqueous solution thereof. To this end, compounds or general formula (I) are used as an extracting agen...  
WO/2000/037361A1
This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic s...  
WO/2000/037420A1
A method for efficient removal of lead co-catalyst species from organic process streams arising from diaryl carbonate synthesis, by contacting the organic reaction mixtures with an aqueous acid, salt, or acid/salt solution, thereby extra...  
WO/2000/035837A1
Methods and compositions for improving the extraction of phenols from crude styrene using an aqueous caustic solution are disclosed. It has been discovered that aromatic or alkylammonium tailed multi-polyether headed surfactants and/or q...  
WO/2000/036167A1
A solvent extraction composition is provided which comprises one or more orthohydroxyarylaldoximes or orthohydroxyarylketoximes and one or more esters substituted with a hydroxyl group, and preferably a water immiscible organic solvent. ...  
WO/2000/033050A1
An apparatus for carrying out liquid-liquid micro extraction or liquid-liquid-liquid micro extraction with high enrichment comprises: a) a container for a sample solution having volume Vs with dissolved substance, analyte, to be analysed...  
WO/2000/029096A1
A process and apparatuses (10) are provided for continuously harvesting particles from organic solution-laden near critical and supercritical fluids. Broadly, the processes and apparatuses utilize a filter or separator (56) comprising a ...  
WO/2000/027601A1
In impregnating or extracting treatments of resin-containing wood substrates using a resin-soluble supercritical fluid as delivering or extractive solvent medium problems due to exudation of resin from the wood substrate at pressure rele...  
WO/2000/028553A2
The invention relates to a method for disposing of metal cations by binding them to a cationic exchange resin. The aim of the inventive method is to reduce the valency of the metal which produces the metal cations to the smallest possibl...  
WO/2000/025882A1
A method described in the present invention is for reducing the size of the steps in the solvent extraction process. The first and last extraction cells of the extraction step are equipped with a conventional settler unit and at least on...  
WO/2000/025802A1
The present invention relates to a pharmaceutical composition having antitumor activity and comprising Pulsatillae Radix and/or Ulmaceae cortex, and more particularly the composition may be prepared by extracting powdered Pulsatilla Radi...  
WO1999014160A8
A method of removing from a metal salt ionic species contained therein involves contacting the metal salt with an ionic liquid to dissolve the metal salt, the ionic species or both. At least in the case where both the metal salt and the ...  
WO/2000/024491A1
In order to remove a component from solid particle material by extraction, use is made of a column with one or more tubes which extend between the ends of the column, at least one filter being fitted in the wall of each tube. The particl...  
WO/2000/024490A1
The method for obtaining natural substances by means of extraction from natural solid raw materials with liquid solvents and method for the production of chitin or chitosan from natural solid raw materials by treatment with one or severa...  
WO1999058611B1
A process for extracting carotenes from carotene-containing materials, in particular from fats and oils of biological origin, which provides for extraction of said carotene-containing material with an extractant comprising at least one m...  
WO/2000/020140A1
A supercritical fluid is formed by heating a liquid-state water (13) sealed along with a circuit member (30) into an airtight container (2) by an internal heating means (4) to heat the water (13) to not lower than a preset temperature an...  
WO/2000/019833A2
Typical current methods for producing large quantities of extracts from solid raw materials such as ground, roasted coffee are designed for exhaustive extraction. Such methods are not ideally suited to producing high quality coffee extra...  
WO/2000/016789A1
The invention relates to a method for removing undesirable toxic alkaloids, including the precursors and derivative products of said compounds, from plants or vegetable preparations. Said method is characterized in that: in a first step ...  
WO/2000/015331A1
This invention provides a one-piece multilayer article for use in solid phase extraction that includes at least two porous support layers and a solid phase extraction medium, wherein the porous support layers are thermo-mechanically atta...  
WO1999058611A3
A process for extracting carotenes from carotene-containing materials, in particular from fats and oils of biological origin, which provides for extraction of said carotene-containing material with an extractant comprising at least one m...  
WO/2000/013782A1
The invention concerns a device (DME) or panel for collecting, distributing, mixing or extracting several fluids, at least one main fluid and two secondary fluids, comprising at least: means for collecting a main fluid (3, 9); at least t...  
WO1999048501A9
The invention concerns voacamine as anti-malarial agent active against Plasmodium falciparum strains, including the resistant strains, as well as an anti-malarial agent containing as main active principle voacamine. A basic Pescheria ext...  

Matches 1,501 - 1,550 out of 8,679