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| Number | Title | Issue Date |
| 7361273 | Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof The present invention relates to a method of separating sugars and sugar alcohols from each other. More particularly the present invention relates to the use of a weakly basic anion exchange resin in a chromatographic separation process. The advantage of the present... | 04/22/2008 |
| 7314528 | Crystallization of sugars The invention relates to removing crystallization inhibitors from a solution comprising one or more reducing sugars by nanofiltration, hydrolysis and/or chromatography. The reducing sugars are typically selected from fructose and xylose. ... | 01/01/2008 |
| 7229558 | Chromatographic separation method A method for fractionating a solution into two or more fractions. More particularly the invention relates to a method for fractionating a solution by a chromatographic simulated moving bed (SMB) process in which the dissolved substances present in the feedstock are ... | 06/12/2007 |
| 7049259 | Molecular sieve layers and processes for their manufacture Layers comprising a molecular sieve layer on a porous or non-porous support, having uniform properties and allowing high flux are prepared from colloidal solutions of zeolite or other molecular sieve precursors (particle size less than 100 nm), by deposition, e.g., ... | 05/23/2006 |
| 7049435 | Extractive methods for purifying sucralose The present invention relates to novel extractive methods for purifying sucralose. The present invention also relates to compositions comprising the sucralose preparations made by the methods of the present invention. ... | 05/23/2006 |
| 7022239 | Method for fractionating liquid mixtures The present invention relates to a method of fractionating liquid mixtures or solutions, comprising the steps of subjecting a feed in the form of a liquid mixture or solution to a first chromatographic separation, thereby recovering at least a fraction (A) and a fra... | 04/04/2006 |
| 6998480 | Process for improving sucralose purity and yield This invention relates to processes for purifying sucralose by the use of an initial non-crystallization purification procedure followed by three or more sequential crystallization steps and recycle of the mother liquor remaining from each crystallization step to th... | 02/14/2006 |
| 6987183 | Method for recovering products The present invention is directed to a method comprising a multistep process for recovering one or more monosaccharides from a solution containing at least two monosaccharides selected from the group consisting of rhamnose, arabinose, xylose and mixtures thereof by ... | 01/17/2006 |
| 6908604 | Macrostructures of porous inorganic material and process for their preparation There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic materials. ... | 06/21/2005 |
| 6896811 | Chromatographic separation method A method for fractionating a solution into two or more fractions. More particularly the invention relates to a method for fractionating a solution by a chromatographic simulated moving bed (SMB) process in which the dissolved substances present in the feedstock are ... | 05/24/2005 |
| 6663780 | Method for the fractionation of molasses The invention relates to a method for the fractionation of molasses using a chromatographic simulated moving bed system with two or more loops in which the liquid flow can be effected in a system comprising at least two chromatographic partial packing mat... | 12/16/2003 |
| 6649066 | Method for the fractionation of molasses The invention relates to a method for the fractionation of molasses using a chromatographic simulated moving bed system in which the liquid flow is effected in a single direction in a system comprising at least two chromatographic partial packing material... | 11/18/2003 |
| 6451123 | Process for the separation of sugars Improved separations of xylose, mannose, galactose, arabinose, glucose, xylitol, arabitol; sorbitol, galactitol, or mannitol (and other monosaccharides and sugar alcohols) from other sugars and sugar alcohols may be achieved by chromatography over hydroxy... | 09/17/2002 |
| 6419828 | Method for the separation of acid from sugars A method for separating acid and sugars obtained from liquids resulting from the acid hydrolysis of a material containing at least one of cellulose and hemicellulose is disclosed, comprising adding the liquids to a separation unit comprising a bed of anio... | 07/16/2002 |
| 6391204 | Method for the separation of acid from sugars A method for separating acid and sugars obtained from liquids resulting from the acid hydrolysis of a material containing at least one of cellulose and hemicellulose is disclosed, comprising adding the liquids to a separation unit comprising a bed of anio... | 05/21/2002 |
| 6383540 | Method of processing whey for demineralization purposes A method of treating whey for demineralization purposes, the method comprising a stage of separating out salts by transfer through electrodialysis or nanofiltration membranes, wherein, upstream from this separation stage, the method comprises in successio... | 05/07/2002 |
| 6379554 | Method of displacement chromatography A plurality of chromatographic separation operations, including a first simulated moving bed operation, are coupled into a process which functions, preferably through the application of continuous displacement chromatography, to recover a fraction rich in... | 04/30/2002 |
| 6224683 | Process for demineralizing a sugar solution In demineralization of a beet sugar solution before boiling as the starting solution with a simulated moving bed chromatographic separator comprising a plurality of packed column units packed with a strongly acidic cation exchange resin in a salt form hav... | 05/01/2001 |
| 6200390 | Simulated moving bed block displacement procedure A "block" of betaine is displaced from the circulation loop of an ion exclusion system configured as an SMB without disturbing the normal operation of the system. In practice, a betaine-concentrated fraction is withdrawn (17) from the circulating loop of ... | 03/13/2001 |
| 6187204 | Method for the fractionation of molasses The invention relates to a method for the fractionation of molasses using a chromatographic simulated moving bed system in which the liquid flow is effected in a single direction in a system comprising at least two chromatographic partial packing material... | 02/13/2001 |
| 6099654 | Process for recovering betaine A starting solution material in the form of waste produced in the course of separation and recovery of sucrose from sugar beet extract or sugar beet molasses with a 2-component separation simulated moving bed chromatographic separator (using a strongly ac... | 08/08/2000 |
| 6093326 | Method for the fractionation of molasses The invention relates to a method for the fractionation of molasses using a chromatographic simulated moving bed system in which the liquid flow is effected in a single direction in a system comprising at least two chromatographic partial packing material... | 07/25/2000 |
| 5968362 | Method for the separation of acid from sugars A method for separating acid and sugars obtained from liquids resulting from the acid hydrolysis of a material containing at least one of cellulose and hemicellulose is disclosed, comprising adding the liquids to a separation unit comprising a bed of anio... | 10/19/1999 |
| 5928429 | Process for the enhancement of recovery of sugar This invention relates to the coprocessing of raw sugar and molasses ion exclusion product, optionally with added sugar beet diffusion juice, to enhance the recovery of sugar. In a preferred method, raw cane sugar is melted in limed water, prior to its ad... | 07/27/1999 |
| 5820687 | Method of separating acids and sugars using ion resin separation A economically viable method for producing sugars using concentrated acid hydrolysis of biomass containing cellulose and hemicellulose is disclosed. The cellulose and hemicellulose in the biomass is first decrystallized and then hydrolyzed to produce a hy... | 10/13/1998 |
| 5800624 | Membrane process for separating carbohydrates Plasticized liquid membranes and processes for separating monosaccharides from disaccharides and from other monosaccharides employing the membranes are provided. Fructose is separated from glucose via the membrane process to provide fructose in concentrat... | 09/01/1998 |
| 5726046 | Method of producing sugars using strong acid hydrolysis A economically viable method for producing sugars using concentrated acid hydrolysis of biomass containing cellulose and hemicellulose is disclosed. The cellulose and hemicellulose in the biomass is first decrystallized and then hydrolyzed to produce a hy... | 03/10/1998 |
| 5667693 | Exclusion chromatographic separation of ionic from nonionic solutes A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 09/16/1997 |
| 5628907 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 05/13/1997 |
| 5597714 | Strong acid hydrolysis of cellulosic and hemicellulosic materials A economically viable method for producing sugars using concentrated acid hydrolysis of biomass containing cellulose and hemicellulose is disclosed. The cellulose and hemicellulose in the biomass is first decrystallized and then hydrolyzed to produce a hy... | 01/28/1997 |
| 5580389 | Method of separating acids and sugars resulting from strong acid hydrolysis A economically viable method for producing sugars using concentrated acid hydrolysis of biomass containing cellulose and hemicellulose is disclosed. The cellulose and hemicellulose in the biomass is first decrystallized and then hydrolyzed to produce a hy... | 12/03/1996 |
| 5560827 | Exclusion chromatographic separation of ionic from nonionic solutes A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 10/01/1996 |
| 5538637 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 07/23/1996 |
| 5498709 | Production of sucralose without intermediate isolation of crystalline sucralose-6-ester There is disclosed a process for producing sucralose from sucralose-6-ester whereby the sucralose-6-ester is deacylated directly either prior to or after removal of the tertiary amide reaction vehicle from the neutralized chlorination reaction mixture, to... | 03/12/1996 |
| 5443650 | Process for softening a sugar-containing aquesous solution, such as sugar juice or molasses The invention relates to a process for softening an aqueous sugar juice containing sugars and Ca2+ and/or Mg2+ ions, such as a sugar factory molasses by means of a cation exchange resin, in the form of Na+ and/or K... | 08/22/1995 |
| 5407580 | Process for separating acid-sugar mixtures using ion exclusion chromatography A process for effectively and economically separating an ionic component such as acid from a nonionic component such as sugar in polar solutions using ion exclusion technology whereby the viability of using hydrolysis to convert wood and agricultural wast... | 04/18/1995 |
| 5387347 | Method and apparatus for continuous chromatographic separation The invention disclosed is a method and apparatus for moving-bed or simulated-moving-bed continuous chromatographic separation, in which some solvent is removed from the elution liquid at a point between the two zones where fractionation takes place. The ... | 02/07/1995 |
| 5384035 | Method for processing industrial discharges In a method for the further processing of industrial residue discharge from molasses processing, in particular vinasse or residual molasses, employing a separating column with an ion-exclusion method, elution takes place with dilute or back-diluted soluti... | 01/24/1995 |
| 5382294 | Chromatographic separation of organic non-sugars, colloidal matterials and inorganic-organic complexes from juices, liquors, syrups and/or molasses The object of the present invention is to chromatographically separate the higher and lower molecular weight components of juices, liquors, syrups and/or molasses (e.g., inorganic-organic complexes and organic non-sugars), thereby permitting the lower mol... | 01/17/1995 |
| 5273820 | Separation and purification of cyclodextrins A method for separating and purifying cyclodextrins is disclosed. This method is also able to sequentially separate alpha, beta and gamma cyclodextrins. The method entails forming a matrix with an inclusion compound bound thereto and passing an aqueous so... | 12/28/1993 |
