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Patent Searching and Data


Matches 501 - 550 out of 4,552

Document Document Title
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...  
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...  
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...  
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/2002/050319A1
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...  
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/2002/036487A1
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...  
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 ...  
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/2002/028499A1
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/2002/028498A1
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/2002/027039A1
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 ...  
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/2002/016003A1
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...  
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/2002/005973A2
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...  
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/2002/000200A1
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.  
WO2001070744A3
The present invention provides a process for the synthesis of compounds of formula (II), or pharmaceutically acceptable salts thereof.  
WO/2002/000199A1
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/2002/000198A1
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/2001/096306A1
The invention relates to a method that can be used on a large scale for dynamic enantiomer separation of piperidone derivatives of general formula (1), wherein R?1¿, R?2¿, R?3¿ and n can have the meanings given in the description and ...  
WO/2001/094302A2
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...  
WO/2001/094457A2
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/2001/091874A1
The invention relates to a device and to a method for crystallizing substances from solutions or dispersions containing said substances in a crystallizer that comprises a classifying zone (3) and that is further provided with a) an inner...  
WO/2001/091875A1
A continuous vacuum pan includes a cylindrical housing having a vertical axis; at least one liquid heating pan within the housing; a vertical tube, floating calandria within the liquid heating pan, the vertical tube floating calandria ha...  
WO/2001/090040A2
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...  
WO/2001/090041A1
The invention relates to a method for the selective crystallization of poly- or monomethylol alkanoic acids of the general formula (I), wherein R is the same or different and represents a methylol group or a substituted or unsubstituted ...  
WO/2001/087835A1
The invention concerns $g(a) crystalline form of the compound of formula (I), characterised by its X-ray diffraction pattern on powder. The invention is useful for preparing medicines.  
WO/2001/087836A1
The invention concerns the $g(b) crystalline form of the compound of formula (I), characterised by its X-ray diffraction pattern on powder. The invention is useful for preparing medicines  
WO/2001/083439A2
The invention concerns a $g(g) crystalline form of a compound of formula (I) characterised by its X-ray diffraction pattern on powder. The invention is applicable to medicines.  
WO2000057980A9
A new EFG (Edge-defined Film-fed Growth) crucible/die (20A) and susceptor (40A) interface design is provided which (a) overcomes the tendency for silicon feed material to form a solid mass near the hub region and (b) prevent the crucible...  
WO/2001/080963A1
The efficient physical process for freeze concentration of aqueous solutions is based on ice crystal transformation, which results in very rapid growth of ice crystals and grain-shaped and agglomerated large crystals without inside entra...  
WO/2001/079214A1
Chloride is selectively isolated as NaCl from N-phosphonomethyliminodiacetic acid process wastes by evaporative crystallization of the caustic neutralized brine.  
WO/2001/074332A1
A method for making a composition comprising active particles comprising an active substance comprises the steps of a) providing an emulsion having a dispersed phase comprising a solution of the active substance in a solvent and b) induc...  
WO/2001/075415A2
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/2001/074749A1
An alternative and improved method for cleaning cooling and/or crystallization surfaces of a crystallizer fouled with a crystallized bisphenol as a result of processing a slurry derived from the production of bisphenol is provided. The m...  
WO/2001/072736A1
A method for purification of cyclic ester, which comprises feeding a crude cyclic ester as raw material crystals to an inlet (3) for raw material crystals disposed at a lower portion of a purification tower (1) being cylindrical and exte...  
WO2001036325B1
A separator for separating a meltable solid from a mixture with other solids has a tank for holding a fluid; a container at least partially inside the tank, made at least in part of a screen through which the fluid can pass and melted so...  

Matches 501 - 550 out of 4,552