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Matches 351 - 400 out of 2,812

Document Document Title
WO/2003/027048A2
The invention relates to a method for dehydrating fluorinated compounds, for example esters that have been substituted by fluorine (and optionally chlorine or other substituents). According to said method, the compounds containing water ...  
WO/2003/017930A2
Disclosed is a novel capping-and-tagging ('cap-tag') strategy that aids in the purification of compounds assembled by multi-step synthetic methods. The incorporation of a unique cap-tag into undesired intermediates during a multi-step sy...  
WO/2003/016268A1
The use of amidoximes for stabilisation of ethylenically-unsaturated compounds against undesired radical polymerisation is disclosed. Combinations of amidoximes with phenol and/or phenothiazine compounds have a synergistic effect. Prefer...  
WO/2003/016246A1
A method of effecting a nucleophilic substitution of an alcohol to produce a target product includes the steps of: reacting the alcohol and a nucleophile with an azodicarboxylate and a phosphine. At least one of the azodicarboxylate and ...  
WO/2003/002237A2
A method for separating at least one lower polarity fluid from a mixture of fluids having varying polarity, comprising contacting at least one low polarity or non-polar polymeric membrane with the mixture of fluids under conditions such ...  
WO/2003/002500A1
A solvent containing at least one cycloalkyl alkyl ether (1) represented by the general formula: R1−O−R2 (wherein R1 is cyclopentyl or the like&semi and R2 is C1−10 alkyl or the like)&semi and a process for the production of the et...  
WO/2003/000637A1
A process for the preparation of &agr ,&agr −bis− (hydroxymethyl)carboxylic acids, characterized by comprising the step of subjecting a mixture containing an &agr ,&agr − bis(hydroxymethyl)carboxylic acid represented by the general...  
WO/2002/100802A2
A method of reacting a first compound to produce a second compound includes the step of contacting a first non-fluorous phase including the first compound with a first fluorous phase at a first phase interface. The first compound distrib...  
WO/2002/094432A1
The invention relates to a method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent, whereby the method is carried out in a column provided with an ordered packing comprisin...  
WO/2002/094763A1
Methods and compositions for inhibiting the polymerization of vinyl monomers are disclosed. Combinations of aminophenol compounds and nitroxyl radical compounds are effective at inhibiting vinyl monomer polymerization under both processi...  
WO/2002/094884A2
Methods and compositions for inhibiting the polymerization of vinyl monomers are disclosed. Combinations of nitroxyl compounds and aliphatic amines are effective at inhibiting the polymerization of vinyl monomers under both processing an...  
WO/2002/090299A2
The invention relates to a method for the production of a purified melt of a monomer melt obtained by condensation, absorption or extraction in a crystallizer, wherein the inlet to the crystallizer is subjected to a mechanical solid/liqu...  
WO/2002/088054A1
A method which is effective in efficiently inhibiting the polymerization of an aromatic vinyl not only in an initial stage but also over long in each of the production, purification, storage, and transportation of the aromatic vinyl, and...  
WO/2002/076381A2
A method of treating an amyloid disease, or a disease characterized by $g(a)-synuclein or NAC fibrillogenesis, in a mammalian subject. The method includes administering to the mammal a therapeutically effective amount of a various disclo...  
WO/2002/074718A2
The invention relates to a method for separating close-boiling homo and heteroazeotropic mixtures using ionic liquids. The method is superior to conventional extractive rectification in terms of cost-effectiveness and exergetic aspects a...  
WO2001019484A9
A purification device and purification method is described. The device (25) includes a quenching reagent (70) coupled to an insoluble support (60). A target compound (10) mixture flows across the quenching reagent (70), immobilizing impu...  
WO/2002/059064A1
The present invention relates to a method for obtaining a catalytically active mixture based on stable nitroxyl radicals. The invention is characterized in that the stable nitroxyl radicals are hydrophobic and are selectively separated f...  
WO2001079586A9
A process is described for the purification of organometallic compounds or heteroatomic organic compounds from oxygen, water and from the compounds deriving from the reaction of water and oxygen with the organometallic or heteroatomic co...  
WO/2002/053250A1
A method of distilling and purifying high-melting materials while preventing corrosion of the device, contamination of the distillate and degeneration; and a device used therefor. The distillation purification device comprises an evapora...  
WO/2002/050011A1
The invention relates to a method for rapidly cooling a hot gas mixture containing (meth)acrylic acid, by means of a direct cooling process using a cooling liquid in a spray cooler, the atomisation of the cooling liquid in the spray cool...  
WO/2002/048074A1
A method for producing a molecular compound which comprises mixing and kneading a solid host compound and a solid or liquid guest compound by using a kneader and optionally followed by extruding and granulating, wherein the method furthe...  
WO/2002/036527A1
A method for separating a reaction product and an imide catalyst of the general formula (1) or a degenerate thereof from a reaction mixture obtained by a reaction with the imide catalyst, which comprises extracting the reaction mixture w...  
WO/2002/036526A1
A method of determining the optimal yield of a target compound comprises: (a) determining the initial composition of a mixture of compounds containing the target compound; (b) dissolving the mixture in a solvent; (c) placing a quantity o...  
WO/2002/034735A1
A method of obtaining a solvate by drying a substance containing a solvent capable of forming the solvate, wherein the drying is conducted at a pressure regulated to a value which is not lower than the vapor pressure (P¿1?) calculated f...  
WO/2002/034863A1
Methods for removing mercaptans from hydrocarbons streams, for example crude oil and natural gas, are provided. The methods use basic metal salts which react with mercaptans to form mercaptides. The metal salts are dissolved or suspended...  
WO/2002/033026A1
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one nitroxyl compound, and B) at least one quinone alki...  
WO/2002/033025A2
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitro...  
WO/2002/029412A2
A template (a molecule preferably of molecular size > 500 Da, or a larger entity such as a cell, virus or tissue sample) is dissolved or suspended in a fluid. The fluid is frozen, and the template is removed (e.g. by dissolution or elect...  
WO/2002/026685A1
The invention concerns a method for stabilising acrylic monomers in a distillation column, comprising the following steps: adding at least a stabilising agent for acrylic monomers having a total concentration in the liquid phase ranging ...  
WO/2002/024612A1
The invention relates to a method for producing a cleaning agent, whereby a phosphoric acid is reacted, in a solvent, with at least one diisocyanate and/or with at least one polyisocyanate in such a manner that, at least at times, a homo...  
WO/2002/024300A1
The invention relates to a method for carrying out the distillative separation of C¿5+? cuts into a low boiler fraction (A), a medium boiler fraction (B) and into a high boiler fraction (C) inside one or more partition columns (TK). A p...  
WO2001051919A9
The invention concerns arrays of solid-forms of substances, such as compounds and rapid-screening methods therefor to identify solid-forms, particularly of pharmaceuticals, with enhanced properties. Such properties include improved bioav...  
WO/2002/010097A1
A process for producing o- and p- substituted benzene compounds separately from a binary mixture in any proportions of said compounds. The said o- and p- substituted benzene compounds comprise isomeric 1,2 substituted benzene compound of...  
WO/2002/010100A2
An improved process for the production and purification of unsaturated monomers employing nitroxyl-containing inhibitors wherein process streams containing the inhibitor are recycled is disclosed, wherein the improvement comprises recycl...  
WO/2002/006291A1
A novel composition for scavenging acylation reagents and/or aldehyde and/or ketone, comprising amino functionalized silica gel of formula (I) wherein R is C¿1? to C¿10? linear, branched or cyclic alkyl and has at least one primary or ...  
WO/2002/002491A1
The invention relates to a method for producing squalene, whereby hydrocarbon-containing intermediate products produced from vegetable oil processing are extracted by means of a compressed gas. The squalene is thereby enriched in the raf...  
WO/2002/002464A2
A process for extracting from aqueous solution the alkali metal or ammonium salt of a phenol, naphthol, anthrol or phenanthrol or the corresponding thiol, which comprises contacting an aqueous alkaline or neutral solution of the alkali m...  
WO/2002/002543A1
The invention relates to a method for producing a phenothiazine granulate with a narrow particle size distribution. At least 98 % pure phenothiazine in liquid form is pressed through a device provided with boreholes and a frequency is ap...  
WO/2002/000198A1
The present invention relates to a novel process for preparing and harvesting crystalline particles, particularly particles of therapeutically useful or carrier substances of a size suitable for inhalation therapy.  
WO/2002/000200A1
The present invention relates to a novel process for preparing crystalline particles of a salt of a substance, particularly particles of therapeutically useful or carrier substances of a size suitable for inhalation therapy.  
WO/2001/098239A1
Methods for separating olefins from non-olefins, such as paraffins, including cycloparaffins, oxygenates and aromatics, are provided. The methods use metal salts to complex olefins, allowing the non-olefins to be separated by a variety o...  
WO/2001/093825A1
The present invention relates to compositions which comprise a combination a) of one or more glycerol monoalkyl ether(s) of the general formula R-O-CH¿2?-CHOH-CH¿2?OH in which R is a branched or unbranched C¿3?-C¿18?-alkyl gr...  
WO/2001/083455A1
Sterically hindered N-substituted aryloxyamines are prepared by the transition-metal-catalyzed decomposition of diazonium salts in the presence of a sterically hindered nitroxyl radical. These compounds are useful as thermal and light st...  
WO/2001/083567A2
Disclosed herein is a method for increasing the solubility of a compound having the structural formula (I), in an aromatic hydrocarbon solvent comprising adding to said solvent a nitroaromatic compound having the structure (II) wherein, ...  
WO/2001/079587A1
A process for the purification of organometallic compounds or heteroatomic organic compounds from oxygen, water and from the compounds deriving from the reaction of water and oxygen with the organometallic or heteroatomic compounds whose...  
WO/2001/077230A2
The invention provides a method for recovery of compounds by adsorption to fish scales. The method can be used for natural and synthetic compounds such as various natural pigments including astaxanthin in an esterified or not and synthet...  
WO2000015178A9
The present invention relates to a pharmacokinetic-based design and selection tool (PK tool) and methods for predicting absoption of an administered compound of interest. The methods utilize the tools, and optionally a separately operabl...  
WO/2001/070364A1
A sublimation purifying method and an apparatus used therefor for producing sublimation purified product with high purity and high yield while preventing the apparatus from being corroded and the product from being contaminated and spoil...  
WO/2001/068598A2
A dosing form for a polymer support for organic chemical synthesis in a solvent medium comprising a fixed weight amount of beads of a polymer containing functional groups, which polymer is insoluble in the solvent for the intended synthe...  
WO/2001/068248A2
This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or...  

Matches 351 - 400 out of 2,812