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WO/2012/142927A1 |
A method for purification of calcium ion channel blocker medicament of dihydropyridine type and pharmaceutically acceptable salts thereof through the ultrasonic crystallization technology and direct preparation of nanoparticles thereof.
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WO/2012/123502A1 |
The present invention relates to the field of chemical technology, more specifically to a novel and effective way of residual solvent removal comprising the application of ultrasonic treatment.
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WO/2012/112818A2 |
An interpenetrating network assembly with a network of connected flakes of nano-scale crystalline carbon and nano-scale particles of an electroactive material interconnected with the carbon flakes is provided. The network assemblies are ...
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WO/2012/110118A1 |
Disclosed is a method to prepare a polylactic acid comprising the steps of: performing a ring opening polymerization using a catalyst and either a catalyst killer compound or an endcapping additive to obtain a raw polylactic acid of MW g...
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WO/2012/110117A1 |
Disclosed is a method to prepare a polylactic acid comprising the steps of performing a ring opening polymerization using a catalyst and either a catalyst killer compound or an endcapping additive to obtain a raw polylactic acid of MW gr...
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WO/2012/093937A1 |
The invention is directed to an improvement in operation of wash columns, and more in particular to an apparatus for separating solid particles from a slurry and to a process for separating solid particles from a mother liquor slurry. Th...
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WO/2012/093121A1 |
Process for purifying a stream comprising phosphoric acid and a first amount of impurities, wherein: a slurry of phosphoric acid crystals in a water mother liquor is formed; the phosphoric acid crystals are separated from the mother liqu...
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WO/2012/090138A1 |
The present invention provides processes for the preparation of 4'-[3-[4-(6-fluoro- 1,2-benzisoxazol-3-yl)piperidino]propoxy]-3'-methoxyacetophe
none.
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WO/2012/077138A1 |
The present invention provides a process for crystallization of various forms of silodosin. In particular the present invention provides a process for crystallizing α and β forms of silodosin from various solvents and their mixtures us...
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WO/2012/062724A2 |
The invention relates to a method and device for preparing an amine based solvent (1) contaminated by the introduction of sulfur oxides. By cooling the contaminated solvent (1) and adding a potassium compound, potassium sulfate is precip...
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WO/2012/042508A1 |
A commercially viable method is provided herein for isolating and purifying steviol glycosides from a source containing said steviol glycosides The method includes the first step of passing an organic solution containing said steviol gly...
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WO/2012/038751A2 |
A process for the purification of aromatic dicarboxylic acid comprising the steps of: (a) slurrying crude aromatic dicarboxylic acid solids with water recycled from at least a filtration step in a feed preparation zone; (b) supplying fla...
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WO/2012/027398A2 |
The present invention generally relates to compositions, methods, and systems relating to controlled crystallization and/or nucleation of a molecular species. In some embodiments, the crystallization and/or nucleation of the molecular sp...
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WO/2012/026579A1 |
A method for manufacturing isolatable oxide microparticles or hydroxide microparticles using a device that processes a fluid between processing surfaces of processing units that are arranged opposite each other so as to be able to move c...
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WO/2012/025038A1 |
Disclosed is a continuous manufacturing method for the synthesis of hydazo dicarbonamide. The method comprises: (1) adding hydrazine hydrate and a urea solution into an oscillating flow tube crystallizer via the mid-lower section thereof...
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WO/2012/023217A1 |
The invention establishes a comprehensive performance evaluation method capable of being applied to rotor-stator mixers of a wide variety of shapes and modes of circulation. The method evaluates mixer performance by determining a homogen...
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WO/2012/021957A1 |
A process is described for producing a high molar mass polylactic acid, which comprises the following steps: a) polycondensation in a reactor (R1) of a lactic acid solution, by heating in the form of temperature gradients and under contr...
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WO/2012/023218A1 |
The invention establishes a comprehensive performance evaluation method capable of being applied to rotor-stator mixers of a wide variety of shapes and modes of circulation. The method evaluates mixer performance by determining an overal...
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WO/2012/018737A2 |
Product yields in chemical reactions that produce a solid product from a liquid reaction mixture are improved by chromatographically separating certain key impurities from the product mixture prior to crystallization, or from the filtrat...
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WO/2012/014530A1 |
A process for producing fine particles having a regulated particle diameter is provided in which use is made of a device in which fluids are treated between at least two treatment surfaces which have been approachably and separably dispo...
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WO/2011/160840A1 |
The present invention relates to means and methods for producing crystals or crystalline substances. In particular, crystals or crystalline substances which are useful as pharmaceutical ingredients can be manufactured.
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WO/2011/162952A1 |
Both a crystallizer and method for the evaporative production of phenol-BPA adduct crystals are provided that achieve more uniform crystal growth while suppressing undesired crystal nucleation. The crystallizer includes a cylindrical ves...
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WO/2011/148121A1 |
A co-current mixer for production of nanoparticles by precipitation comprises a first inlet (31), a second inlet (32), and an outlet (33), the first inlet being within the second inlet and defining a mouth, the first and second inlets fa...
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WO/2011/148463A1 |
Provided is a method for producing precipitated substances, particularly metal compounds, the dopant element amounts of which have been controlled by the use of a device that processes fluid between the treatment surfaces of a processing...
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WO/2011/143702A1 |
The present invention relates to a method for isolating crystals of perforin comprising the step of: crystallising perforin from solution at pH 6.4 to 8.0 and 20 ±5°C.
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WO/2011/144748A1 |
The present invention relates to a novel process for synthesizing nanomaterials by mixing liquids in a quasi-2D microfluidic reactor. The invention also relates to the reactor for implementing this process.
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WO/2011/141847A1 |
The present invention provides an improved process for the preparation of methyl carbapenem derivative of formula (I) or its pharmaceutically acceptable salts or hydrates thereof in a pure form.
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WO/2011/129658A2 |
The present invention relates to a method for preparing high-purity alumina, the method comprising: a mother liquor preparing step for dissolving and aging ordinary aluminum hydroxide; a refining step for adding pulp to absorb impurities...
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WO/2011/123891A1 |
The specification discloses a method of producing one or more precipitable substances such as salt (NaCI) from a feed liquid source (43) (such as sea water) in a precipitation apparatus (40), the method involving steps of providing a fir...
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WO/2011/124515A1 |
The invention relates to a method for producing crystalline active ingredient particles, wherein the active ingredient is crystallized from a supersaturated solution on the surface of particles of the active ingredient, wherein a suspens...
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WO/2011/122586A1 |
The time needed for mixing and delays that occur in heat regulation, which influences chemical and physical processing, are fundamental issues in chemical and physical processing methods. As a result of said issues, side reactions and th...
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WO/2011/112102A1 |
It is described a method for treating a flow of fluid hydrocarbons containing water wherein the flow of fluid hydrocarbons is introduced into a first separator separating at least free water from said flow of fluid hydrocarbons, wherein ...
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WO/2011/096401A1 |
Disclosed is a method for producing nanoparticles. Specifically disclosed is a method for producing nanoparticles by depositing a diketopyrrolopyrrole pigment, wherein the deposition of the diketopyrrolopyrrole pigment and the crystal tr...
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WO/2011/097043A1 |
Systems and methods are described for removing solidifiable gas from a process gas stream by direct contact with a cold liquid. The process gas stream includes at least gas that is frozen by the cold liquid while one or more other gases ...
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WO/2011/092260A2 |
The invention relates to a method for fractionating an oil using a fractioning system, preferably a natural oil, in particular a vegetable or animal oil, which yields one or more solid fractions and a liquid fraction, wherein a) the opti...
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WO/2011/087062A1 |
Provided is a method in which the addition of an acid is used to recover an aliphatic carboxylic acid from an aqueous solution that contains an ammonium salt of an aliphatic carboxylic acid obtained from a feedstock of biological origins...
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WO/2011/074766A2 |
The present invention relates to a method and apparatus for simultaneously manufacturing ultra pure betulin and highly pure betulinic acid from birch bark, which employ a technique of: using a polar organic solvent to obtain a crude extr...
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WO/2011/051728A1 |
A process is provided for the crystallisation of a solute from a solution, said process comprising: (i) passing the solution through an oscillatory mixed vessel comprising one or more obstacles having a plurality of openings and having m...
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WO/2011/048135A1 |
Process for the combined regeneration of at least two soluble salts contained in a residue of an industrial process comprising heavy metals, according to which: - an amount of reactive aqueous solution needed to completely dissolve the s...
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WO/2011/048412A1 |
The invention provides a process for increasing the crystallinity of at least one solid material which is less than 100 % crystalline, comprising applying ultrasound to the substantially dry solid material.
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WO/2011/044582A1 |
An apparatus is used to make crystals and a related process for making crystals uses the apparatus.
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WO/2011/034850A1 |
In SiC sublimation crystal growth, a crucible is charged with SiC source material and SiC seed crystal in spaced relation and a baffle is disposed in the growth crucible around the seed crystal. A first side of the baffle in the growth c...
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WO/2011/034165A1 |
A continuous crystallizer is provided. The crystallizer comprises a first reactor which has a first rotating inner cylinder for forming a first interspace with the inside wall of a first outer tube, and in the first interspace a reaction...
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WO/2011/026830A1 |
The invention concerns a method for separating a racemic compound-forming chiral substance by a cyclic crystallization process which is conducted in at least one first crystallization unit (10) and in at least one second crystallization ...
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WO/2011/028104A1 |
The invention provides a method for the production of electrical energy from an ammonium (NH4 +) containing aqueous liquid comprising (a) separating at least part of the ammonium as ammonium salt or concentrated ammonium salt comprising ...
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WO/2011/027097A2 |
The invention provides a method of crystallising a compound comprising either: (i) providing a first confined solution comprising the compound; and adding more of the compound to and/or increasing the degree of saturation of the first co...
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WO/2011/010587A1 |
Disclosed is a novel method for treating a liquid waste of a coating agent, which is simple in constitution, is easy to handle, can operate easily, and is highly efficient. Specifically disclosed is a method for treating a liquid waste c...
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WO/2011/001894A1 |
Provided are a crystallization device and crystallization method for obtaining higher purity (meth)acrylic acid while preventing potential obstruction of the crystallization tube such that there is no leakage of crude solution. The devic...
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WO/2011/001887A1 |
A crystallization device is provided with which it is possible to efficiently obtain purified acrylic acid having high purity. The crystallization device is for separating an acrylic-acid-containing solution into a mother liquor and puri...
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WO/2010/151729A1 |
The present invention relates to a method for making pure salt comprises recapturing post-drilling flowback water from hydro-fracturing; removing oil from the flowback water; filtering the flowback water using an ultra filter with a pore...
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