Patents for B01D 9 - Crystallisation (5,388)
07/1995
07/12/1995CN1105014A A method and apparatus for purifying acrylic acid, and acrylic acid purified by the method
07/12/1995CN1104927A Method of and apparatus for crystallization
07/06/1995WO1995018086A1 Crystallization of 2,6-dimethylnaphthalene
06/1995
06/13/1995US5423288 Apparatus for producing seed crystals
06/06/1995US5422825 System for monitoring and controlling supersaturation in AgX precipitations
05/1995
05/24/1995EP0654291A2 Method of crystallizing organic chemicals
05/18/1995WO1995013132A1 Method of forming particles using a supercritical fluid, aerogel particles formed thereby, and antiperspirants containing aerogel particles
05/17/1995EP0653671A1 System for monitoring and controlling supersaturation in AGX precipitations
05/09/1995CA1335489C Method for producing crystallisates out of solutions, more particularly salt-solutions, such as potassium-salt solutions, for example, by cold-crystallization
04/1995
04/26/1995CN1028293C Process for treating amides
04/25/1995US5409505 Method and apparatus for crystallization of organic matter
04/19/1995EP0648520A1 Method of and apparatus for crystallization
04/05/1995EP0646399A1 Process for crystallizing melt with adiabatic cooling and apparatus for the same
04/04/1995CA1335072C Method for determining the compositional distribution of a crystalline copolymer
03/1995
03/28/1995US5401859 Process for the preparation of pure trioxane
03/28/1995US5401476 Fluidized bed with separation by distillation, isomerization and crystallization
03/28/1995US5400618 Integrated batch auto-refrigerative dewaxing employing thermocompressors
03/23/1995WO1995004123A3 Fractionation of triglyceride oils
03/22/1995CN2192367Y Crystallize pot of negative open cover
03/22/1995CN1027963C Parameter pump fractional crystallization method and parameter pump crystallizer
03/21/1995CA1334821C Method of reforming soluble salts to effect purification and increase crystal size thereof
03/15/1995EP0642491A1 Process for the production of purified terephthalic acid
03/15/1995CN1027865C Device for substance separation from liquid mixture by crystallization
03/15/1995CN1027864C Process and apparatus for refining chemical substances.
03/14/1995US5396863 Installation and process for the crystallization of an inorganic substance and process and installation for the crystallization of sodium carbonate monohydrate
03/09/1995DE4415845C1 Process and apparatus for purifying chemical substances
03/08/1995CN1099668A Apparatus for producing seed crystals in melts and a crystallisation plant comprising such an apparatus
03/07/1995US5395593 Processing vessel
03/07/1995US5394827 Draft tube, direct contact cryogenic crystallizer
03/07/1995US5394706 Freeze crystallization for the removal of water from a solution of dissolved solids
02/1995
02/16/1995WO1995004583A1 Complexation-mediated crystal-forming reactions using complexing agents
02/15/1995EP0638908A2 Method of separating and purifying spent solvent generated in nuclear fuel cycle
02/09/1995WO1995004123A2 Fractionation of triglyceride oils
01/1995
01/25/1995EP0446381B1 Crystal refining apparatus
01/25/1995EP0406424B1 Process for recovering crystals from slurry
01/18/1995CN1027422C Process for manufacturing large granularity crystals and eliminating fine crystals in the crystalizer
01/11/1995EP0633239A1 Recovery of organic acid salts from impure process streams by addition of bases
01/11/1995EP0632738A1 Process for crystallization in a draft tube baffle crystallizer.
01/07/1995CA2126368A1 Recovery of organic acid salts from impure process streams by addition of bases
01/03/1995CA2057558C Method and apparatus for two-dimensional measurement of concentration of biological macromolecule solution
12/1994
12/21/1994EP0629280A1 Immediate heat upgrading air conditioning system and associated cool thermal storage
12/07/1994EP0627384A1 Process and apparatus for the treatment of a potassium chloride mixture
11/1994
11/23/1994CN1095361A Production method of granular barium hydroxide monohydrate and its equipment
11/08/1994US5362455 Draft tube, direct contact cryogenic crystallizer
11/01/1994US5360554 Phase separation by gas evolution
10/1994
10/26/1994EP0621065A1 Device for separating and purifying materials by melt crystallization under high pressure
10/26/1994EP0621064A1 Device for separating and purifying materials by melt crystallization
10/26/1994CN1026318C Method for recovering crystals from crystal-containing slurry
10/25/1994CA1332708C Process and apparatus for crystallization of a mineral and sodium chloride crystals
10/13/1994WO1994022546A1 Method and device for precipitating crystals from a solution
10/12/1994EP0619362A2 Method for fractionating fatty acid mixtures
10/12/1994EP0619308A1 Crystalline structures of the hydrogen chloride salt of 2-amino-5-nitro-pyridinium, process for their preparation and an electrooptical device with such structures
10/12/1994EP0619139A1 Processing vessel
10/12/1994EP0389601B1 Multistage fractional freezing for superpurifying crystallizable substances
10/07/1994CA2120661A1 Method and apparatus for fractionating fatty acid ester mixtures
10/05/1994EP0618003A1 Packing element for mass exchange or mass conversion in the form of a heat-exchanging element
10/05/1994CN1026069C Process and equipment for crystallising an inorganic substance
09/1994
09/28/1994EP0616998A1 Process and plant for the purification of acrylic acid
09/15/1994DE4314586C1 Crystalliser
09/14/1994EP0614688A1 Apparatus for generating seed crystals in melts and crystallisation plant including such an apparatus
09/07/1994CN1091731A Di-substituted benzene position isomer continuous solidifying and separating method
09/06/1994US5344618 Crystal refining apparatus
09/01/1994WO1994019083A1 A process for preparing high purity and large size crystals, by eliminating fine crystals in crystal slurry in crystallizer
09/01/1994WO1994019082A1 Separation process
09/01/1994CA2153651A1 Separation process
08/1994
08/24/1994EP0611589A1 Draft tube, direct contact cryogenic crystallizer
08/16/1994US5338519 Process and apparatus for separating substances by crystallization
08/11/1994DE4313121C1 Process for separation and purification of substances by melt crystallisation
08/11/1994DE4313101C1 Process for separating and purifying substances by melt crystallisation at high pressures
08/02/1994US5334359 Apparatus for production of sparingly water-soluble salt crystal grains
07/1994
07/27/1994EP0608121A1 Fibrinogen processing apparatus, method and container
07/21/1994WO1994016362A1 Recovery of erythorbates from photographic solutions
07/20/1994CA2113695A1 Fibrinogen processing apparatus, method and container
07/13/1994EP0605456A1 Reduction of the grain size of crystalline explosives.
07/06/1994CN1088901A Powdered ammonium nitrate fuel explosive and its preparing process
07/06/1994CN1088887A Light microporous ammonium nitrate and its preparing process
07/06/1994CN1025347C Middle distillates compositions with reduced wax crystal size
07/05/1994US5326541 Device for substance separation from a liquid mixture by crystallization, and method
06/1994
06/30/1994DE4243805A1 Appts. for solid particle prodn.
06/28/1994US5324492 Surface discharger; formation of free radicals; decomposition into nitrogen gas
06/23/1994WO1994013630A1 Process for obtaining carbamide
06/21/1994US5322947 Hydrogenation of tetramethylpiperidone and an alkanediamine; light stabilizers for polymers; recrystallization
06/09/1994WO1994012460A1 Process for preparing substantially pure enantiomers of phenylpropionic acids
06/08/1994CN1087624A Arginine derivatives
05/1994
05/31/1994US5316554 Method for processing crystalline ammonium carbamate
05/24/1994US5315003 Precipitation and cutting
05/24/1994US5314506 Crystallization method to improve crystal structure and size
05/10/1994CA1329359C Process and an apparatus for crystallizing a substance dissolved in a liquid in zero gravity
05/04/1994EP0535013B1 Method and apparatus for crystallizing a mineral substance
05/03/1994US5307638 Process to recover solvents from waste gases
04/1994
04/27/1994CN1085891A Process for the production of purified terephthalic acid
04/19/1994CA1328571C Method and apparatus for cryogenic crystallization of fats
04/14/1994WO1994007582A1 Dual jet crystallizer apparatus
04/14/1994CA2143116A1 Dual jet crystallizer apparatus
04/05/1994US5300123 Method of reforming soluble salts to effect purification and increase crystal size thereof
03/1994
03/31/1994DE4332640A1 Continuous evaporative crystallisation appts - has increased thermal efficiency esp. for sugar crystallisation
03/22/1994US5296000 Process and equipment for crystallizing an inorganic substance
03/16/1994CN1023972C Tower type liquid film crystallization device with filling tube and plate
03/02/1994EP0584127A1 Method and apparatus for the control of solidification in liquids.
03/02/1994CN2157817Y Zone-melting purification apparatus for high efficient compound
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