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Patent Searching and Data


Matches 451 - 500 out of 4,867

Document Document Title
WO/2004/067139A1
A method and an apparatus for removing an ion to be removed in a fluid to be treated by the crystallization as crystal particles of a slightly soluble salt of the ion in a crystallization reaction vessel, characterized in that a chemical...  
WO/2004/060525A1
A method for crystallizing an organic acid, which comprises introducing a raw material solution of a salt of the organic acid to a reaction vessel (2) as a raw solution for reaction, supplying an acid to the raw material solution of the ...  
WO/2004/058377A1
This invention relates to an apparatus for use in the production of particles via precipitation or crystallization and the like and methods for forming the crystals/precipitate or other particles.  
WO2003089692A3
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/2004/047797A2
A crystallization process for generating a pharmaceutical product from solutions of pharmaceutically active compounds or their reactive intermediates employs fluid jet streams containing pharmaceutically active ingredients, appropriate a...  
WO/2004/047544A1
The invention concerns a method for producing particles (20, 21) at least partly crystallized, under pressure, comprising reciprocal dissolving of at least one fluid under higher or slightly lower pressure than its critical pressure with...  
WO/2004/045738A2
The present invention relates to an energy efficient and inexpensive Freeze Concentration System (FCS) to selectively freeze solvent from a solution using Heat Pump (HP) with heat transfer surfaces to extract and deliver heat to freeze t...  
WO2004034943A3
The invention relates to an improved process for the production of powders of an inhalable medicament by crystallization from a supersaturated fluid containing said medicament, the method comprising passing along a tubular reactor(a) a s...  
WO/2004/037759A1
A continuous crystallization method involving supplying a raw material for crystallization containing bisphenol A to a crystallizer to crystallize bisphenol A or an adduct of bisphenol A and phenol, and subjecting a slurry withdrown from...  
WO/2004/034943A2
The invention relates to an improved process for the production of powders of an inhalable medicament by crystallization from a supersaturated fluid containing said medicament, the method comprising passing along a tubular reactor(a) a s...  
WO/2004/028657A1
The invention relates to a hydraulically-sealed cross-current material exchange tray, separating columns comprising a hydraulically-sealed cross-current material exchange tray and the use of said columns for thermal separation processes.  
WO2003101392A3
The invention provides novel soluble conazole crystalline forms (e.g.itraconazole, posaconazole and saperconazole) that includes salts, co-crystals and related solvates useful as pharmaceuticals. The invention also provides pharmaceutica...  
WO/2004/026429A1
The invention relates to a washing device, said washing device comprising a first region (1) to which a washing product (4) is supplied, a second region (2) in which the washing product (4) is washed, a third region (3) in which the wash...  
WO2003094919A3
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/2004/020382A1
The invention relates to a method for producing formic acid formates, whereby (a) formic acid methyl ester is partially hydrolysed with water; (b) formic acid methyl ester and methanol are separated by distillation from the reaction mixt...  
WO/2004/019008A1
Methods of searching for the crystallization conditions of a biopolymer. Namely, the crystallization conditions of a biopolymer are searched for by adding, to a solution separated from another solution containing the biopolymer by a semi...  
WO2003078362A8
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/2004/012857A1
An assembly and method for performing parallel chemical experiments, in particular crystallisation experiments. The assembly has a main body having a first and a second face on opposite sides thereof. Multiple bores extend through said m...  
WO/2004/012841A1
The invention relates to a method for the crystallisation of macromolecules in a three-phase system using a container, said system containing a lower aqueous phase, a middle phase and an upper hydrophobic phase which has a lower density ...  
WO/2004/003261A1
The invention relates to new improvements in a process for crystal growth in the environment of supercritical ammonia-containing solution, which are based on use of specific azide mineralizers and result in the improved bulk Group XIII e...  
WO2003057717A3
A method for reducing the particle size of amino acid crystals using ultrasound is discussed.  
WO/2003/106345A1
A method and apparatus for continuous fabrication of homogeneous thin flake or powder electrolyte material from inorganic salt, metallic or similar materials or from mixtures of such materials for use in Carbonate Fuel Cell ('CFC') power...  
WO2003022804A9
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...  
WO2003082857A3
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/2003/101577A1
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/2003/101392A2
The invention provides novel soluble conazole crystalline forms (e.g.itraconazole, posaconazole and saperconazole) that includes salts, co-crystals and related solvates useful as pharmaceuticals. The invention also provides pharmaceutica...  
WO/2003/101578A1
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...  
WO2001002075A9
A method to prepare new polymorphs of materials which have not been observed or to obtain a known polymorph under different conditions than those in which it is usually made by using a laser to cause nucleation and crystal growth to occu...  
WO/2003/099409A1
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 ...  
WO2003078362B1
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....  
WO2003078361B1
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...  
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/2003/094919A2
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...  
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...  
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/2003/095719A1
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/2003/092852A1
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...  
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/2003/089692A2
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...  
WO/2003/086571A1
Methods of improving the efficiency of solid-liquid separation during centrifugal filtration in a centrifugal filtration vessel (1) has been developed. They consist of increasing the pressure drop across a filter cake (6) using extraneou...  
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...  

Matches 451 - 500 out of 4,867