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Matches 401 - 450 out of 4,536

Document Document Title
WO2003028664A3
Levofloxacin was prepared by reacting (S)-(-)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1 ,2,3-de][1,4]benzoxazine-6-carboxylic acid with N-methyl piperazine in a polar solvent or in a neat mixture to form levofloxacin. Further ...  
WO/2003/095059A1
A first solution and a second solution are supplied to the inlet conduit of a chamber. The chamber includes a stator formed of spaced stationery blades within which a rotor with spaced blades is rotatably received. As the rotor is rotate...  
WO/2003/094919A2
Provided are novel crystalline forms of gatifloxacin denominated forms A, B, C, D, E1, F, G, H, I, and J, and methods for their preparation. Also provided are methods for making known crystalline forms of hatifloxacin, in particular form...  
WO2003028665A3
Levofloxacin has been purified by dissolving levofloxacin in a polar solvent at an elevated temperature and crystallizing purified levofloxacin. Preferably, an antioxidant is added to increase the purity.  
WO2003022804A3
Among its several embodiments, the present invention provides an improved process for the preparation of tetrahydrobenzothiepine-1,1-dioxide compounds; the provision of a process for preparing a diastereomeric mixture of tetrahydrobenzot...  
WO/2003/092852A1
Crystallization of an organic pharmaceutical compound is achieved by atomization of one solution and introduction of the atomized solution into a vessel containing a second solution where the solutions are mixed to form a product. The pr...  
WO/2003/093260A1
Ondansetron crystalline Forms A and B are useful in the treatment of nausea and vomiting. Form B has uniquely high melting point of about 244 °C and both forms are stable against thermally induced polymorphic transition from 30 °C up t...  
WO/2003/092851A1
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 1s, for example 10 ms. The liquid within the fluidic vortex mixer (12) is subject...  
WO/2003/090786A1
The invention relates to a method for producing crystals from pharmaceutical adjuvants, the average particle size thereof lying within a given range and the maximum particle size thereof not exceeding a given value. An oversaturated solu...  
WO/2003/090721A2
The invention relates to a method for producing crystals from active ingredients in medicaments, the average particle size thereof lying within a given range and the maximum particle size thereof not exceeding a given value. During cryst...  
WO/2003/089692A2
This invention relates to novel methods for affecting, controlling and/or directing various crystal formation, structure formation or phase formation/phase change reaction pathways or systems by exposing one or more components in a holor...  
WO2002102777A8
The present invention is related to novel polymorph of Fexofenadine and Fexofenadine hydrochloride of formula 1 and process of preparation thereof. The present invention is also directed to provide pure novel polymorphs of Fexofenadine a...  
WO/2003/084631A1
This invention relates to a novel system for making uniform crystals. The system, by virtue of the nature of its crystal product, is useful in various chemical, pharmaceutical, agricultural, and biotechnology applications. The invention ...  
WO2002068107A8
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/2003/082857A2
The present invention relates to three crytalline solid forms of Iansoprazole Formula (I) denominated as forms D, E and F. Processes for preparing these crytalline solid forms of Iansoprazole are disclosed.  
WO/2003/080210A1
The invention concerns a novel device for crystallizing a macromolecule charged in solution, using an external non uniform electric field, and whereof the technical characteristics enable crystals of charged macromolecules to be obtained...  
WO/2003/078378A1
The invention relates to a method for the purification of a composition comprising (meth)acrylic acid, at least one impurity and water, wherein the composition has a water content ranging from 0.55 90, in relation to said composition, in...  
WO/2003/078053A1
A process for evaporating a feed liquid and a process vessel (10) containing both an evaporation zone (18) for evaporating a liquid feed and a treatment zone (26) for treating the resulting vapor uses an evaporation surface (82) to preve...  
WO/2003/078361A1
This invention relates to novel methods for affecting, controlling and/or directing various reactions and/or reaction pathways or systems by exposing one or more components in a holoreaction system to at least one spectral energy pattern...  
WO/2003/078362A1
The invention relates to novel methods for affecting, controlling and/or directing various reactions and/or reaction pathways or systems by exposing one or more components in a holoreaction system to at least one spectral energy pattern....  
WO/2003/078425A1
The present invention relates to novel crystalline Form of 5-[4-[[3-methyl-4-oxo-3,4-dihydroquinazolin-2-yl]methoxy]ben zyl] thiazolidine -2,4-dione potassium salt having the formula (I). The invention also relates to a pharmaceutical co...  
WO/2003/076335A1
A process for the production of fullerenes by which a high-purity fullerene can be separated at high productivity from a mixture comprising a fullerene, a polycyclic aromatic hydrocarbon component, and a carbonaceous polymeric component ...  
WO/2003/074514A1
The present invention relates to new salts of omeprazole and esomeprazole respectively, i.e. salts of 5−methoxy−2−[[(4−methoxy−3,5−dimethyl−2−pyri dinyl)−methyl]sulfinyl]−1H−benzimidazole and the (S)−enantiomer th...  
WO/2003/072216A1
A process for producing a concentrate wherein a target component concentrate is obtained with low cost and in a simple manner from a solution containing a target component and unneeded suspended solid contents while unneeded suspended so...  
WO/2003/063997A1
The invention relates to a method and apparatus for processing a suspension. According to the invention, a suspension is led into a washing column in which at least one filter element is present, so that near the filtering element, a pac...  
WO/2003/061816A1
There is provided according to the present invention a process for preparing crystalline particles, especially particles of a pharmaceutical or carrier substance suitable for inhalation therapy, in addition to apparatus for the preparati...  
WO/2003/059852A1
A para-xylene recovery process including adsorption apparatus containing a para-selective adsorbent to separate para-xylene and ethylbenzene from a C¿8? aromatic hydrocarbon stream, said process operated isothermally in the vapor phase ...  
WO/2003/059890A1
The invention relates to a method for the production and purification of 1,7'-dimethyl-2'-propyl-2,5'-bi-1H-benzimidazole applicable to large-scale production.  
WO2002083938A3
This invention relates to crystallization based assays for identifying ligands that bind to a macromolecule.  
WO/2003/057717A2
A method for reducing the particle size of amino acid crystals using ultrasound is discussed.  
WO2003033097A3
The present invention relates to the use of a high intensity, in-line rotor-stator apparatus to produce fine particles via antisolvent, reactive, salting out or rapid cooling precipitation and crystallization.  
WO/2003/057341A1
The invention relates to a chamber for the crystallization of solid catalyst carrier. The chamber is provided with an acoustic generator (9) for loosening the carrier from the walls of the chamber.  
WO/2003/055570A1
The present invention concerns a method and an apparatus for separating dry matter from liquid, comprising providing an enclosed separation environment capable of being pressure regulated, and in said enclosed separation environment cont...  
WO2003022544A3
The invention relates to a device (1) for continuous heat treatment of granulated materials, especially to the crystallization of polymer granulate, such as polyethylenterephthalate (PET) for example. The device comprises several adjacen...  
WO/2003/056038A1
The invention relates to a chromatographic separation process of recovering mannose with high purity. The invention is based on the use of a chromatographic separation resin including a resin which is at least partly in a Ba?2+¿ form re...  
WO/2003/047553A1
The invention provides an apparatus for forming fine particles of a substance in a precipitation chamber, in which the apparatus has means to convey the fine particles from the precipitation chamber to at least one particle collection ch...  
WO/2003/041833A1
The invention relates to a device for performing the purifying separation of crystals out of their suspension in an impure crystal melt, comprising a hollow cylindrical column (45) that delimits a concentration zone and a washing zone. A...  
WO/2003/041832A1
The invention relates to a method for performing the purifying separation of crystals out of their suspension in a mother liquor that involves the use of a washing column with forced transport. According to the invention, the end that en...  
WO/2003/035035A1
The present invention relates to a novel process for preparing crystalline particles of substance which comprises mixing a solution of the substance in a liquid solvent with a liquid anti−solvent for said substance, which liquid anti...  
WO/2003/035240A1
A system for processing supercritical and subcritical fluid capable of bringing the inside of at least one processing container (1) formed in a flow passage into a supercritical or subcritical high pressure field, wherein thermal operati...  
WO/2003/033097A2
The present invention relates to the use of a high intensity, in-line rotor-stator apparatus to produce fine particles via antisolvent, reactive, salting out or rapid cooling precipitation and crystallization.  
WO/2003/033098A1
A method for removing an ion to be removed being present in a solution by the crystallization method, characterized in that a solution to be treated and an ion capable of forming a slightly soluble salt through the reaction with the ion ...  
WO/2003/032951A1
A process for preparing crystalline particles of a drug substance is disclosed, said process comprising recirculating an anti-solvent through a mixing zone, dissolving the drug substance in a solvent to form a solution, adding the soluti...  
WO/2003/028664A2
Levofloxacin was prepared by reacting (S)-(-)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1 ,2,3-de][1,4]benzoxazine-6-carboxylic acid with N-methyl piperazine in a polar solvent or in a neat mixture to form levofloxacin. Further ...  
WO/2003/028665A2
Levofloxacin has been purified by dissolving levofloxacin in a polar solvent at an elevated temperature and crystallizing purified levofloxacin. Preferably, an antioxidant is added to increase the purity.  
WO2002055529A8
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/2003/026659A1
The present invention provides low hygroscopic forms of aripiprazole and processes for the preparation thereof which will not convert to a hydrate or lose their original solubility even when a medicinal preparation containing the aripipr...  
WO/2003/024562A1
The invention is directed to a hydraulic annular washing column for continuously separating solids from a suspension comprising: a hollow cylindrical column having a central axis therethrough, said column having an interior with a cross-...  
WO2002014286A9
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/2003/022544A2
The invention relates to a device (1) for continuous heat treatment of granulated materials, especially to the crystallization of polymer granulate, such as polyethylenterephthalate (PET) for example. The device comprises several adjacen...  

Matches 401 - 450 out of 4,536