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Matches 351 - 400 out of 2,333

Document Document Title
WO/2003/101577
A crystalline material sufficiently pure for use in pharmaceuticals may be made by forming a saturated solution of the material, changing the temperature of the solution so it becomes supersaturated, and briefly subjecting the solution t...  
WO/2003/101578
A crystalline material sufficiently pure for use in pharmaceuticals may be made by forming a saturated solution of the material, changing the temperature of the solution so it becomes supersaturated, and subjecting the solution to irradi...  
WO/2003/099409
The invention concerns a method for producing specific crystalline modifications of an organic polymorphous substance. In accordance with said method, the specific crystalline modification is obtained by precipitation from a salt of the ...  
WO/2003/095719
A drop tube type granular crystal producing device (1) for manufacturing generally spherical crystal bodies by solidifying the granular molten liquid of inorganic material while allowing the liquid to free−fall in a drop tube, comprisi...  
WO/2003/095059
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/2003/094919
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...  
WO/2003/092852
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/2003/093260
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/2003/092851
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/2003/090786
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/2003/090721
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/2003/089692
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...  
WO/2003/084631
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 ...  
WO/2003/082857
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/2003/080210
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/2003/078378
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/2003/078053
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/2003/078361
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/2003/078362
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/2003/078425
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/2003/076335
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/2003/074514
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/2003/072216
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/2003/063997
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/2003/061816
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/2003/059852
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/2003/059890
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.  
WO/2003/057717
A method for reducing the particle size of amino acid crystals using ultrasound is discussed.  
WO/2003/057341
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/2003/055570
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...  
WO/2003/056038
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/2003/047553
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/2003/041833
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/2003/041832
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/2003/035035
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/2003/035240
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/2003/033097
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/2003/033098
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/2003/032951
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/2003/028664
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/2003/028665
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.  
WO/2003/026659
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/2003/024562
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-...  
WO/2003/022544
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/2003/022804
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/2003/016576
A continuous pan crystalliser for use in the sugar industry includes a heated zone in the form of a steam chamber (32) below a calandria (22). The heated zone minimizes cooling of massecuite in the area below the calandria in the pan and...  
WO/2003/013683
The invention involves methods and products related to the micronization of hydrophobic drugs. A method of micronizing hydrophobic drugs using a set of solutions including an aqueous solution is provided. The invention also relates to pr...  
WO/2003/014084
The invention describes novel lercanidipine crude Forms (A) and (B), novel lercanidipine hydrochloride crystalline Forms (I) and (II) obtained form said crude Forms, pharmaceutical, antihypertensive compositions containing as active agen...  
WO/2003/004500
Provided are cucurbituril derivatives having the formula (1), their preparation methods and uses: where X is O, S or NH; R¿1? and R¿2? are each independently selected from the group consisting of hydrogen, alkyl groups of 1 to 30 carbo...  
WO/2003/002225
This invention relates to a method of preparing nanoparticle coated crystals comprising the steps of providing a mixture comprising nanoparticles and a solution of a crystal forming material; and coprecipitating the nanoparticles and the...  

Matches 351 - 400 out of 2,333