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Patent Searching and Data


Matches 501 - 550 out of 4,628

Document Document Title
WO/2002/103038A1
The invention relates to an enzymatic method of producing 4-0-$g(b)-D-galactopyranosyl-D-xylose which is used for the in vivo evaluation of intestinal lactase activity in humans. The inventive method consists in: a) reacting D-xilose wit...  
WO/2002/100932A1
A method for obtaining LDPE from used plastic films, comprising the following steps: low-molecular components are extracted from the film material which is dissolved in a second organic solvent; the film material thus treated is dissolve...  
WO/2002/098836A1
Disclosed is a process for the production of terephthalic acid by a plurality of process steps including the catalyst oxidation of a dialkylbenzene compound, a second oxidation, a hydrogenation of the product of the second oxidation, and...  
WO/2002/098835A1
Disclosed is a method for the recovery of crystalline therephthalic acid containing less than 150 ppmw p-toluic acid by subjecting a solution of therephthalic acid containing minor amounts of p-toluic acid to crystallization in a crystal...  
WO/2002/096532A1
A trigger mechanism used for initiating a phase change in a variable liquid element by an activating material. The trigger mechanism also relates to a variable liquid element enclosed in a container with at least one perforation in the c...  
WO2002068107A3
An apparatus is described for micron and submicron particles formation of a substance using the GAS process, comprising a particles formation vessel (22) and means for introducing a solution of the substance and a supercritical fluid int...  
WO/2002/089942A1
Small crystals are made by mixing a solution of a desired substance with an anti-solvent in a fluidic vortex mixer in which the residence time is less than 1 s, for example 10 ms. The liquid within the fluidic vortex mixer (12) is subjec...  
WO/2002/089944A1
High purity ammonium dimolybdate or molybdenum oxide is produced by the pressure oxidation of low grade molybdenite concentrates or molybdenum intermediates. The process entails nearly complete oxidation of the sulfide minerals while opt...  
WO2002062705A3
A system and method for producing salts using a crystallizer with an integrated column is disclosed. In the column, liquid, containing one reactant, absorbs a second reactant, from the gas stream. The second reactant reacts with the firs...  
WO/2002/085329A1
The invention relates to a method for the continuous production of medicaments for inhalation, a device for carrying out said method and a medicament produced by said method. The aim of the invention is a method which guarantees that the...  
WO/2002/083938A2
This invention relates to crystallization based assays for identifying ligands that bind to a macromolecule.  
WO2002064597A3
The invention relates to a method for purifying 20(S) camptothecin by transforming the lactone ring of the 20(S) camptothecin into a carboxylate salt with the help of an aqueous base, hydrogenating the mixture that is obtained in the pre...  
WO2001072315A9
The invention relates to a method for obtaining triterpenes from plants and/or the constituents thereof, in addition to an emulsion whose aqueous and fatty phase is emulsified by the plant extract. The plant extract contains at least one...  
WO/2002/083568A1
A method for producing high purity potassium fluorotantalate crystals or high purity potassium fluoroniobate crystals, characterized in that a recrystallization process comprises the first step of cooling a saturated solution from a diss...  
WO/2002/078863A1
A method and device for generating pharmaceutical agent particles using focused acoustic energy are provided. A solution of the pharmaceutical agent is provided in a solvent, which may be an aqueous fluid, a nonaqueous fluid, or a superc...  
WO2002048046A3
A process for the recovery of arsenic trioxide from acid solutions, particularly the aqueous acid effluent produced by a gas-washing process in the pyrometallurgy of copper sulfide ores is provided. Generally, the process comprises conce...  
WO/2002/077085A1
A method of recovering polyvinyl chloride from a waste comprising polyvinyl chloride which comprises: the step of removing the insoluble solid matter from a heated mixture of the waste and a solvent in which polyvinyl chloride is soluble...  
WO2001024921A9
A gallium nitride growth process forms crystalline gallium nitride. The process comprises the steps of providing a source gallium nitride (15); providing mineralizer (17); providing solvent (17); providing a capsule (10); disposing the s...  
WO/2002/068107A2
An apparatus is described for micron and submicron particles formation of a substance using the GAS process, comprising a particles formation vessel (22) and means for introducing a solution of the substance and a supercritical fluid int...  
WO/2002/064597A2
The invention relates to a method for purifying 20(S) camptothecin by transforming the lactone ring of the 20(S) camptothecin into a carboxylate salt with the help of an aqueous base, hydrogenating the mixture that is obtained in the pre...  
WO/2002/062705A2
A system and method for producing salts using a crystallizer with an integrated column is disclosed. In the column, liquid, containing one reactant, absorbs a second reactant, from the gas stream. The second reactant reacts with the firs...  
WO/2002/055529A2
A method for recovering soy saponis which comprises extracting a soy isoflavone concentrate derived from soy molasses with a mixture of acetone and water, removing undissolved solids from the extract, cooling the extract such that soy sa...  
WO/2002/055177A1
The invention concerns a draining tank (10) for a granular material/liquid mixture comprising a low part (12) and a high part (16) provided with a lid (18). A device for separating (28) the liquid and the granular material is arranged in...  
WO2002005973A3
A method of inducing solidification in a fluid composition comprising a cosmetic active, a crystalline organic structurant and a carrier, comprising exposing the fluid composition to ultrasound or converting the composition to a soft sol...  
WO/2002/050319A1
This invention relates to a method where sulfidic iron-bearing copper concentrate is leached on the countercurrent principle, in a chloride environment. The leaching takes place with the aid of bivalent copper and an oxygen-bearing gas a...  
WO2002011851A3
An installation for continuous crystallization of liquids by freezing to form a bubble slurry with crystal nuclei, gas bubbles and concentrated unfrozen liquid. The installation includes a pumpless refrigeration circuit with a compressor...  
WO/2002/048245A1
The invention relates to a method for separating at least one selected polymer from a mixture of polymers, comprising the following steps: (a) dissolving the mixture of polymers in a first solvent, with the concentration of the polymer m...  
WO/2002/048046A2
A process for the recovery of arsenic trioxide from acid solutions, particularly the aqueous acid effluent produced by a gas-washing process in the pyrometallurgy of copper sulfide ores is provided. Generally, the process comprises conce...  
WO/2002/043732A1
The present invention provides novel forms of atorvastatin designated Forms VI, VIII, IX, X, XI and XII and novel processes for their preparation as well as processes for preparing atorvastatin Forms, I, II, IV, V and amorphous atorvasta...  
WO/2002/044123A1
A conversion process of gabapentin hydrochloride into gabapentin comprising: a) dissolution of gabapentin hydrochloride in a solvent in which the gabapentin hydrochloride and the gabapentin are completely soluble; and b) subsequent addit...  
WO/2002/044083A1
The invention relates to a process for the continuous preparation of very highly concentrated hydrogen peroxide having a content of greater than 80 wt.%, especially over 98 wt.%, by suspension crystallisation and after-treatment of the H...  
WO2001094302A3
A process for the purification and isolation of a chemical compound, by extractive solution crystallization. The process comprises combining in any order a first solvent, a second solvent, and a mixture comprising a chemical compound wit...  
WO2001090040A3
The invention relates to a method for isolating poly- or monomethyl alkanoic acids of the general formula (I), wherein R is the same or different and represents a substituted or unsubstituted hydrocarbon or a methylol group that is produ...  
WO2001032125A3
Novel Apparatus and Process for Preparing Crystalline Particles An apparatus for preparing crystalline particles of a substance suitable for inhalation therapy comprises (i) a first reservoir 3 of said substance dissolved in a liquid sol...  
WO/2002/036668A1
The invention relates to a method for recovering nylon from a nylon-containing material by contacting the nylon-containing material with an alkanol-containing solvent at elevated temperature and at a pressure higher than the equilibrium ...  
WO/2002/036487A1
The invention is directed towards a process for the concentration of aqueous hydrogen peroxide, comprising discontinuous crystallisation. According to the invention, a cooling surface arranged in a crystallising vessel and first wetted w...  
WO2001066508A3
A process for recovering a desired organic acid from a solution includes the steps of: providing an aqueous solution including at least one desired organic acid or its acid anion; adjusting the proton concentration in the aqueous solutio...  
WO2001094457A3
A process is disclosed for recovering polyamide material from post-industrial and post-consumer products containing the polyamide material and insoluble materials. The process includes the steps of: (a) contacting the post-industrial and...  
WO/2002/028498A1
A method for crystallization which comprises sending a solution or a slurry formed by partial precipitation of a solute to a crystallization tank, precipitating the solute in the crystallization tank to yield a slurry comprising crystals...  
WO/2002/028499A1
A method of crystallization which comprises feeding to a crystallization vessel either a solution of terephthalic acid or a slurry solution in which part of terephthalic acid has been precipitated, crystallizing the terephthalic acid in ...  
WO/2002/027039A1
The present invention relates to a method for recovering a monosaccharide selected from the group consisting of rhamnose, arabinose, xylose and mixtures thereof from a solution containing the same by a multistep process using chromatogra...  
WO/2002/026374A1
A heat transfer device, comprising a mixing tank, a fluid circulating means for circulating fluid along the tank wall of the mixing tank, and at least one auxiliary heat transfer means installed in the mixing tank, wherein the auxiliary ...  
WO/2002/016003A1
The method involves: a) dissolving a compound (C) in a fluid (A) to obtain a solution (A); b) thermostatizing said solution (A) at a temperature ranging between -50° C and 200° C; c) adding a fluid (B) to said solution (A) until pressu...  
WO2001075415A3
A device for promoting protein crystal growth (PCG) using microfluidic channels. A protein sample and a solvent solution are combined within a microfluidic channel having laminar flow characteristics which forms diffusion zones, providin...  
WO/2002/014286A1
The present invention is directed to the novel forms of risperidone, designated Form A, Form B and Form E. Methods for their preparation are also disclosed. The present invention also relates to processes for making risperidone. Pharmace...  
WO/2002/011851A2
An installation for continuous crystallization of liquids by freezing to form a bubble slurry with crystal nuclei, gas bubbles and concentrated unfrozen liquid. The installation includes a pumpless refrigeration circuit with a compressor...  
WO2001083439A3
The invention concerns a gamma crystalline form of a compound of formula (I) characterised by its X-ray diffraction pattern on powder. The invention is applicable to medicines.  
WO/2002/005921A1
The present invention relates to a process for the crystallisation of a solid phase from a liquid, characterised in that the liquid during crystallisation is subjected to ultrasound in the absence of transient cavitation. In particular t...  
WO/2002/005973A2
A method of inducing solidification in a fluid composition comprising a cosmetic active, a crystalline organic structurant and a carrier, comprising exposing the fluid composition to ultrasound or converting the composition to a soft sol...  
WO2001070744A3
The present invention provides a process for the synthesis of compounds of formula (II), or pharmaceutically acceptable salts thereof.  

Matches 501 - 550 out of 4,628