Physical Separation Of Impurities Patents (Class 127/53)
  • Patent number: 9776980
    Abstract: Disclosed is a process for making HMF or a derivative of HMF by dehydrating one or more hexose sugars in a reduced oxygen environment. In another, related aspect, a method for improving the stability and resistance to degradation of an HMF product involves adding one or more antioxidants to the HMF product.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: October 3, 2017
    Assignee: Archer Daniels Midland Co.
    Inventors: Alexandra Sanborn, Erik Hagberg, Stephen Howard, Erin M Rockafellow
  • Patent number: 9604951
    Abstract: Disclosed is a process for making HMF or a derivative of HMF by dehydrating one or more hexose sugars in a reduced oxygen environment. In another, related aspect, a method for improving the stability and resistance to degradation of an HMF product involves adding one or more antioxidants to the HMF product.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: March 28, 2017
    Assignee: Archer Daniels Midland Company
    Inventors: Alexandra Sanborn, Erik Hagberg, Stephen Howard, Erin M Rockafellow
  • Publication number: 20150087031
    Abstract: The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products.
    Type: Application
    Filed: May 3, 2013
    Publication date: March 26, 2015
    Inventors: Robert Jansen, Claire Gregoire, philip Travisano, Lee Madsen, Neta Matis, Yael Har-Tal, Shay Eliahu, James Alan Lawson, Noa Lapidot, Luke Burke, Aharon M. Eyal, Timothy Allen Bauer, Hagit Sade, Paul Mcwilliams, Ziv-Vladimir Belman, Bassem Hallac, Michael Zviely, Yelena Gershinksy, Adam Carden
  • Patent number: 8956460
    Abstract: The present invention generally relates to processes for recovery of values from a fermentation mass obtained in producing ethanol. Further, the present invention relates to processes for the recovery of values from an inorganic- and lignin-containing mass. The present invention also relates to processes for the recovery of a fraction having enhanced silica content from a silica-containing mass. Still further, the present invention relates to processes for the recovery of crude ethanol from a fermentation mass. The present invention relates to various lignin-containing products and solutions and mineral-rich products.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: February 17, 2015
    Assignee: Abengoa Bioenergy New Technologies, LLC
    Inventors: Aziz Ahmed, Quang A. Nguyen
  • Publication number: 20140352687
    Abstract: The present disclosure relates to hyper concentrator system having two concentration modules. A first concentration module operates at a first pressure. It receives a liquid having a first Brix level and produces a first concentrate having an intermediate Brix level greater than the first Brix level. A second concentration module operates at a second pressure greater than the first pressure. The second concentration module receives the first concentrate and produces a second concentrate having a high Brix level greater than the intermediate Brix level. The hyper concentrator system may further comprise an evaporator. The hyper concentrator system may be used to produce maple syrup from maple sap.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 4, 2014
    Applicant: MEMPROTEC INC.
    Inventor: Denis CÔTÉ
  • Publication number: 20140345603
    Abstract: The invention provides a progressive freeze-concentration process for the commercial production of sugar, particularly maple, syrup including the steps of exposure of collected raw sugar solutions and maple sap on-site to a predominantly or relatively naturally occurring cold surface, gradually cooling the sap to a temperature sufficient to commence freezing of a water ice, continuing the cooling and freezing to form a solid body of water ice and a liquid component separate from the solid body containing first sugars, continuing the cooling and freezing until the first sugars containing liquid component reaches a substantially thickened or gel consistency, and thirdly, separation of the first sugars containing liquid component from the said solid body.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventor: Valerie Gay Chadbourne
  • Patent number: 8460473
    Abstract: The present invention provides an apparatus and a method for conversion of cellulosic material, such as chopped straw and corn stover, and household waste, to ethanol and other products. The cellulosic material is subjected to continuous hydrothermal pre-treatment without addition of chemicals, and a liquid and a fiber fraction are produced. The fiber fraction is subjected to enzymatic liquefaction and saccharification. The method of the present invention comprises: performing the hydrothermal pre-treatment by subjecting the cellulosic material to at least one soaking operation, and conveying the cellulosic material through at least one pressurized reactor, and subjecting the cellulosic material to at least one pressing operation, creating a fiber fraction and a liquid fraction; selecting the temperature and residence time for the hydrothermal pretreatment, so that the fibrous structure of the feedstock is maintained and at least 80% of the lignin is maintained in the fiber fraction.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: June 11, 2013
    Assignee: Inbicon A/S
    Inventors: Borge Holm Christensen, Lena Holm Gerlach
  • Publication number: 20130092157
    Abstract: Disclosed is a method for producing an aqueous refined sugar solution, in which a biomass residues that are formed during a step of producing a sugar from a cellulose-containing biomass is removed in a step of producing an aqueous sugar solution, thereby preventing the clogging of a microfiltration membrane and/or an ultrafiltration membrane and ensuring long-term, stable production of an aqueous refined sugar solution.
    Type: Application
    Filed: April 11, 2011
    Publication date: April 18, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Masayuki Hanakawa, Hiroho Hirozawa
  • Patent number: 8328948
    Abstract: The present invention relates to an improved method for the purification of crude sugar beet juice. The present invention relates moreover to methods for the manufacture of non-sucrose substance combinations from crude sugar beet juice, as well as two devices for the purification of crude sugar beet juice. The measures according to the invention allow a reduction of lime consumption during the purification.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: December 11, 2012
    Assignee: Sudzucker Aktiengesellschaft Mannheim/Ochsenfurt
    Inventors: Mohsen Ajdari Rad, Stefan Frenzel, Azar Shahidizenouz
  • Patent number: 8097086
    Abstract: A method for preparing a sugar syrup having high fructose content, is implemented using at least one fruit containing sorbitol, particularly apples, pears, plums, prunes, peaches, nectarines, apricots and grapes, from which a first juice is extracted. The first juice is processed in order to obtain a clarified and demineralised sweet juice having a colour lower than 45 ICUMSA and having a conductometric ash content lower than 0.4%. The clarified and demineralised sweet juice is then processed in order to hydrolyse the saccharose into fructose and glucose. The method further includes an isomerisation of the glucose in fructose, and removing the sorbitol naturally occurring in the starting material.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: January 17, 2012
    Assignees: Nutritis, Institut National des Sciences Appliquees Toulouse
    Inventors: Pierre Lapoujade, Alain Guibert, Francoise Ouarne
  • Patent number: 7763116
    Abstract: The invention relates to an industrially useful process for the recovery of sucrose and/or non-sucrose components. The process comprises (i) providing a solution of sugar beet and/or sugar cane origin selected from molasses, sugar juices and liquors, wherein said sugar juices are non-nanofiltered during the process; (ii) subjecting said solution to electrodialysis for removing therefrom inorganic and organic anions and cations and organic acids; (iii) subjecting the electrodialyzed solution to a chromatographic separation for obtaining sucrose and non-sucrose components in separate fractions; and (iv) recovering a product selected from sucrose and non-sucrose components from at least one of said fractions. The invention also relates to the use of electrodialysis for improving the efficiency of chromatographic separation in the industrial recovery of sucrose and/or non-sucrose components.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: July 27, 2010
    Assignee: Danisco A/S
    Inventors: Mel Carter, John P. Jensen
  • Publication number: 20090151715
    Abstract: A method for purifying a sucrose material already in a high purity liquid, crystalline or other form of sucrose, such as raw sugar, utilizing chromatography, or utilizing chromatography in connection with other methods of purification.
    Type: Application
    Filed: February 17, 2009
    Publication date: June 18, 2009
    Applicant: Amalgamated Research LLC
    Inventors: Dennis D. Costesso, Michael M. Kearney
  • Publication number: 20080053899
    Abstract: This invention is directed to an integrated process and system for water treatment, in particular, an integrated process and system for water treatment in the beverage manufacture cycle. The water treatment process is directed to treating an influent water solution, a low sugar concentration solution, and a high sugar concentration solution. The water treatment system is directed to a system for treating an influent water solution, a system for treating a low sugar concentration solution, and system for treating a high sugar concentration solution.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 6, 2008
    Inventor: David Mitchell
  • Publication number: 20080017187
    Abstract: The present invention relates to an improved process for extract purification of sugar beet raw juice, especially for reduction of lime consumption during the purification of sugar beet raw juice, to a process for producing a nutrient-rich non-sucrose concentrate from sugar beet raw juice, to the non-sucrose substance concentrate thus produced, to uses of the non-sucrose substance concentrate and to an apparatus for preliming sugar beet raw juice and/or for obtaining the non-sucrose substance concentrate.
    Type: Application
    Filed: October 26, 2004
    Publication date: January 24, 2008
    Inventors: Eric Deneus, Gunter Merkel, Thomas Michelberger, Mohsen Ajdari Rad, Marc Willems
  • Patent number: 7192524
    Abstract: A process for the continuous treatment of sugar cane filter cane mud separates and extracts components including fiber which can be used as an animal feed or a source of energy generation, lignin, beta-carotene, oil containing a high content of phytosterol, refined wax which is a resource of policosanol and which can also be used for many other established purposes, and resin which can be used an additive in asphalt mixtures and tire manufacturing or can be recycled back into the sugar milling process. The process is self contained, requiring the input only of fresh water and chemical additives to adjust pH and coloration.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: March 20, 2007
    Inventor: Rafael Almagro
  • Patent number: 7182818
    Abstract: A process system that uses a reduced amount of lime or other base to clarify or purify juice or other process liquid (1) obtained from plant material (2) such as sugar cane, sugar beets, or sweet sorghum. Specifically, apparatus and methods to reduce volatile materials in juice or other process liquid (1) to increase pH requiring the use of less lime or other base to achieve the desired pH values for clarification or purification in subsequent steps, such as preliming (33).
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: February 27, 2007
    Assignee: Nalco Company
    Inventor: David O. Sanders
  • Patent number: 7150793
    Abstract: A process system that uses a reduced amount of lime or other base to clarify or purify juice obtained from plant material such as sugar cane, sugar beets, or sweet sorghum. Specifically, apparatus and methods to reduce volatile materials in juice providing a product that has an increased pH requiring the use of less lime or other base to achieve the desired pH values for clarification or purification.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: December 19, 2006
    Assignee: Nalco Company
    Inventor: David O. Sanders
  • Patent number: 6936173
    Abstract: The invention provides methods for purifying carbohydrates, including oligosaccharides, nucleotide sugars, and related compounds, by use of ultrafiltration, nanofiltration and/or reverse osmosis. The carbohydrates are purified away from undesired contaminants such as compounds present in reaction mixtures following enzymatic synthesis or degradation of oligosaccharides.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: August 30, 2005
    Assignee: Neose Technologies, Inc.
    Inventor: Shawn DeFrees
  • Patent number: 6736903
    Abstract: A method for producing a work product including the steps of receiving a first fluid composed of a liquid, a target substance and at least one residual substance; passing the first fluid through a first work station for separating the residual substance from the first fluid to produce a secondary fluid substantially composed of the liquid and the target substance; and treating the secondary fluid to reduce the proportion of the liquid relative to the target substance in the secondary fluid to form the work product.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: May 18, 2004
    Assignee: Sunshine Raisin Corporation
    Inventor: John J. Minazzoli
  • Patent number: 6692577
    Abstract: The invention relates to a process for purifying a maltose-containing liquor from a undesired impurities, such as maltotriose. The process of the invention is characterized by nanofiltering said liquor and recovering a purified maltose solution as the permeate.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: February 17, 2004
    Assignee: Danisko Sweeteners Oy
    Inventors: Heikki Heikkilä, Mika Mänttäri, Mirja Lindroos, Marianne Nyström
  • Publication number: 20030222021
    Abstract: 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 Ba2+ form resin and a resin which is in other than Ba2+ form.
    Type: Application
    Filed: December 30, 2002
    Publication date: December 4, 2003
    Inventors: Anu Ennelin, Juho Jumppanen, Vili Ravanko, Juha Nurmi, Miikka Kaira, Heikki Heikkila
  • Patent number: 6656287
    Abstract: A process system that uses a reduced amount of lime or other base to clarify or purify juice obtained from plant material such as sugar cane, sugar beets, or sweet sorghum. Specifically, apparatus and methods to reduce volatile materials in juice providing a product that has an increased pH requiring the use of less lime or other base to achieve the desired pH values for clarification or purification.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: December 2, 2003
    Assignee: CO2 Solutions, LLC
    Inventor: David O. Sanders
  • Patent number: 6648978
    Abstract: An improved corn wet milling process is disclosed in which a first stream comprising water, starch, and protein (e.g., gluten) is generated by separating fiber from wet milled de-germed corn particles (e.g. fiber separation step). Membrane filtration (e.g. starch-protein stream thickening) is performed on the first stream, producing a first retentate and a first aqueous permeate. The first retentate (e.g. thickened starch-protein stream) is separated into a second stream and a third stream (e.g. primary starch separation step). The second stream comprises water and a majority of the starch present in the first retentate, and the third stream comprises water and a majority of the protein (e.g., gluten) present in the first retentate. This process provides an economical means of recovering a higher percentage of the available cornstarch for inclusion in high value products.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: November 18, 2003
    Assignee: A. E. Staley Manufacturing Co.
    Inventors: Gin C. Liaw, Munir Cheryan, Roy O. Elmore
  • Patent number: 6508939
    Abstract: By passing an alkali regenerating agent A through a basic anion exchange resin (3), and through a strongly acidic cation exchange resin (4), the basic anion exchange resin can be regenerated while amphoteric organic materials such as the amino acids captured at the strongly acidic cation exchange resin can be desorbed. Then, an acid regenerating agent B is passed through the strongly acidic cation exchange resin to regenerate the strongly acidic cation exchange resin.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: January 21, 2003
    Assignee: Organo Corporation
    Inventor: Yuji Asakawa
  • Publication number: 20020153333
    Abstract: A method for producing a work product including the steps of receiving a first fluid composed of a liquid, a target substance and at least one residual substance; passing the first fluid through a first work station for separating the residual substance from the first fluid to produce a secondary fluid substantially composed of the liquid and the target substance; and treating the secondary fluid to reduce the proportion of the liquid relative to the target substance in the secondary fluid to form the work product.
    Type: Application
    Filed: April 23, 2001
    Publication date: October 24, 2002
    Inventor: John J. Minazzoli
  • Patent number: 6454946
    Abstract: The invention provides methods for purifying carbohydrates, including oligosaccharides, nucleotide sugars, and related compounds, by use of ultrafiltration, nanofiltration and/or reverse osmosis. The carbohydrates are purified away from undesired contaminants such as compounds present in reaction mixtures following enzymatic synthesis or degradation of oligosaccharides.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: September 24, 2002
    Assignee: Neose Technologies, Inc.
    Inventor: Shawn DeFrees
  • Publication number: 20020120135
    Abstract: The present invention relates to a method for recovering a monosaccharide selected from the group consisting of rhamnose, arabinose, xylose and mixtures thereof from a solution containing the same by a multistep process using chromatographic separation comprising at least one step, where a weakly acid cation exchange resin is used for the chromatographic separation.
    Type: Application
    Filed: September 28, 2001
    Publication date: August 29, 2002
    Applicant: Xyrofin Oy
    Inventors: Heikki Heikkila, Juho Jumppanen, Vesa Kurula, Vili Ravanko, Tiina Tervala, Nina Mayra
  • Patent number: 6238486
    Abstract: The invention provides novel cationic flocculant dispersion polymers that can be utilized in the methods disclosed herein. This invention also provides methods for detecting cationic flocculants wherein said flocculants may be made via a dispersion process, a latex process or a dry polymer process. The flocculants are used to flocculate solids from liquid components of an industrial food process. The detection method involves the use of monoclonal antibodies to determine the presence or concentration of the cationic flocculants in the liquids.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: May 29, 2001
    Assignee: Nalco Chemical Company
    Inventors: Andrew J. Dunham, Cathy C. Johnson, Kristine S. Salmen, John W. Sparapany, Anthony G. Sommese
  • Patent number: 6217664
    Abstract: The present invention provides a fractionation process for treating an aqueous sucrose syrup having, on a dry basis, an initial sucrose content of at least 30 w/w % comprising combining the syrup with a solvent selected from the group consisting of alkanols, ketones, and esters having 3 to 8 carbon atoms and mixtures thereof to form a system having at least two liquid phases in contact with a sucrose-containing solid phase and separating the phases, whereby there are obtained at least two products from the liquid phases, a first of which is characterized by a sucrose content, on a dry basis, greater than the initial content and a second of which is characterized by a sucrose content, on a dry basis, less than the initial content, in addition to a product obtained from the sucrose-containing solid phase.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: April 17, 2001
    Assignee: Tate & Lyle Public Limited Company
    Inventor: Avraham Baniel
  • Patent number: 6187842
    Abstract: The invention provides a gelling agent comprising at least one sugar compound selected from the group consisting of sugar compounds represented by the formula (1) and sugar compounds represented by the formula (2). wherein R1 and R2 are the same or different and each represents an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms or a halogen atom, and p is 0 or 1. The gelling agent of the invention is very useful as a gelling agent for an aqueous medium.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: February 13, 2001
    Assignee: New Japan Chemical Co., Ltd.
    Inventors: Toshiaki Kobayashi, Kenshi Ando, Harutomo Nomoto
  • Patent number: 6051075
    Abstract: Diffusion juice of a sugar plant is heated under stable sucrose conditions, notably alkaline pH, and held above 70.degree. C. for sufficient duration to effect significant agglomeration. The agglomerated particulates are removed by phase separation procedures, leaving a clarified juice containing a very low, typically 0.1-0.5 volume percent, solids load.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: April 18, 2000
    Assignee: Amalgamated Research, Inc.
    Inventors: Vadim N. Kochergin, Lawrence Velasquez
  • Patent number: 6022394
    Abstract: The invention relates to a process for fractioning vinasse, in which process the pH value of the vinasse is lowered by adding acid, and the formed precipitate is separated in order to obtain an inorganic fraction, whereupon an organic fraction remains. The invention also relates to the products obtained. The inorganic fraction mainly contains potassium salt, and it is useful for example as a fertilizer. The organic fraction mainly contains organic acids, and it is useful for example as an additive in animal feed and in producing silage.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: February 8, 2000
    Assignee: Cultor Oy
    Inventors: Hannu Paananen, Mirja Lindroos, Juha Nurmi, Tapio Viljava
  • Patent number: 5868851
    Abstract: A process to produce solid glucose from a hydrolyzate consisting of a mixture of glucose, water, and an acid used in the hydrolysis of a biomass material is covered herein. In the process, the hydrolyzate is concentrated, as required, to form two phases: a solid glucose phase and an acidic liquid phase. The phases are formed in a vessel where they are separated for recovery of the acidic liquid phase. The solid glucose phase, containing residual acidic liquid phase, is then extracted to remove most of the residual acid to produce solid glucose mostly free of acid. The recovered acid may then be recycled. The solid glucose may be further processed including purification and also drying.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: February 9, 1999
    Inventor: Gene E. Lightner
  • Patent number: 5831082
    Abstract: A process for obtaining, by separation, highly pure, water soluble polydextrose using a continuous simulated moving bed system. The process involves separation from a crude polydextrose mixture containing 75-95 wt % polyglucose, 2-10 wt % glucose, 1-5 wt % anhydroglucose, 1-5 wt % sorbitol and 0.5-3 wt % citric acid. The highly pure, i.e., over 99.2%, water soluble polydextrose obtained by this process can be used as a low calorie sweetener in diet foods and drinks and does not have a bitter after taste.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: November 3, 1998
    Assignee: Shin Dong Bang Corporation
    Inventors: Se Cheon An, Ho Soon Jee, Moo Hoe Doh
  • Patent number: 5800624
    Abstract: 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 concentrations sufficient for HFS (high fructose syrup) and sucrose, glucose and fructose are separated from crude sources such as molasses, sugar cane juice and beet sugar juice. The plasticized membranes are prepared by dissolving a lipophilic polymer such as cellulose triacetate, an organic liquid plasticizer such as a hydrophobic ether compound e.g. 2-nitrophenyloctyl ether and, a carrier compound such as a quaternary ammonium salt or a boronic acid compound with lipophilic substitution in a suitable solvent which upon evaporation provides the plasticized membrane. The membrane produced is homogeneous having all three components equally dispersed in the membrane.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: September 1, 1998
    Assignee: University of Notre Dame
    Inventors: Bradley D. Smith, Jennifer A. Riggs
  • Patent number: 5674322
    Abstract: In the process, a starch-containing suspension 1 is divided at admixture of washing liquid 5 in a centrifuge "A" into starch-containing concentrate 2, a first liquid phase 3 with primarily dissolved substances and a second liquid phase 4 with primarily undissolved substances. The first liquid phase 3 is especially suitable as washing liquid in counterflow washing processes as it contains no obstructive undissolved substances. Also, the disposal of this liquid phase is simpler. The second liquid phase 4 with the undissolved substances is generated in higher concentration compared to conventional processes so that the processing of this phase is less cumbersome.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: October 7, 1997
    Assignee: Westfalia Separator AG
    Inventor: Herbert Kunz
  • Patent number: 5635614
    Abstract: The invention disclosed relates to a process for the preparation of sugar and sugar alcohol esters of general formula I(R--COO--).sub.n --R.sup.1 (I)wherein R is an alkyl group, R.sup.1 is derived from a sugar or a polyol moiety and n is 1 to 3, comprising reacting a sugar or a polyol with an acyl moiety, such as a carboxylic acid or ester, in a suitable solvent therefor and in the presence of an enzymatic catalyst capable of catalyzing the formation of ester bonds, and under reduced pressure sufficient to vaporize the solvent and by-product water, and continuously removing the water.
    Type: Grant
    Filed: June 9, 1995
    Date of Patent: June 3, 1997
    Assignee: National Research Council of Canada
    Inventors: Amelie Ducret, Robert Lortie, Michael Trani
  • Patent number: 5624500
    Abstract: A syrup of natural carob sugars having 55-75% sucrose, 7-15% fructose, 7-16% glucose, 0.5-3% other sugars, 4-14% cyclitols and 0.5-2% organic and inorganic impurities. Sugars are extracted from carob pulp and the juice thus obtained is subjected to chromatographic separation to separate the sugars from the non-sugars. The product obtained may be used in applications similar to those of other sugars.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: April 29, 1997
    Assignee: Compania General del Algarrobo de Espana, S.A.
    Inventor: Carlos Sanjuan Diaz
  • Patent number: 5504196
    Abstract: Unwanted color and turbidity are removed from sugar solutions during the processing of raw sugar by the use of bagasse treated with a dialkylaminoalkyl compound in a basic aqueous medium, and with regenerated treated bagasse, including sugarcane bagasse, corn cobs, peanut shells, wheat straw, oat straw, barley straw, rice straw, rice hulls, cottonseed hulls and paper from wood or cotton or mixtures of the foregoing.
    Type: Grant
    Filed: September 8, 1993
    Date of Patent: April 2, 1996
    Inventors: Margaret A. Clarke Garegg, Earl J. Roberts
  • Patent number: 5480490
    Abstract: A beet juice treatment method in which reaction products are recycled. Beet juice is first prelimed with lime and CaCO.sub.3 to produce first and second juice fractions. The second fraction contains flocculated materials, and is combined with CO.sub.2. Solid flocs and calcium carbonate reaction products are removed from the second fraction. The second fraction and first fraction are then recombined to produce a third juice fraction which is combined with lime in a main liming stage for additional purification. The third fraction is then supplied with additional CO.sub.2 to generate a CaCO.sub.3 sludge product. The sludge product is divided into first and second portions. The first portion is reused in the preliming stage. The second portion is converted to regenerated lime for reuse in the main liming stage and possibly the preliming stage. These steps reduce waste production and provide economic benefits.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: January 2, 1996
    Assignee: The Western Sugar Company
    Inventors: Laszlo Toth, John E. Sagaser
  • Patent number: 5468301
    Abstract: Refined sugar is produced without using conventional refining processes. Clarification of melted raw cane sugar is obtained either by ultra-centrifugation or ultra-filtration, and removal of certain compounds responsible for adverse color quality and viscosity is effected through a set of packed columns filled with an absorbent for these compounds. After evaporation and crystallization, refined cane sugar is produced.
    Type: Grant
    Filed: August 3, 1994
    Date of Patent: November 21, 1995
    Assignee: International Food Processing Incorporated
    Inventor: Jean-Pierre Monclin
  • Patent number: 5468300
    Abstract: Refined sugar is produced directly from sugarcane without using conventional refining processes. Clarification of extracted cane juice is obtained either by ultra-centrifugation or ultra-filtration, and removal of certain compounds responsible for adverse color quality and viscosity is effected through a set of packed columns filled with an absorbent for these compounds. After evaporation and crystallization, refined cane sugar is produced.
    Type: Grant
    Filed: April 7, 1994
    Date of Patent: November 21, 1995
    Assignee: International Food Processing Incorporated
    Inventor: Jean-Pierre Monclin
  • Patent number: 5454875
    Abstract: A method is disclosed for softening and purifying molasses or syrup to obtain a clarified syrup that can then easily be handled by conventional ion-exclusion or other techniques for recovery of sugar. The process comprises steps that can be performed at ambient temperature. The molasses or syrup is carbonated at high pH, followed by adding organic solvent(s) such as ethanol. The sludge and liquid phases are separated. The solvent is then recovered, leaving a liquid phase comprising a soft and very clear sugar-containing liquid. The liquid phase may then be used in known systems for sugar recovery such as ion-exclusion chromatographic systems. Organic acids such as aconitic acid may be recovered from the sludge residue.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: October 3, 1995
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventor: Stephen J. Clarke
  • Patent number: 5451262
    Abstract: A syrup of natural carob sugars having 55-75% sucrose, 7-15% fructose, 7-16% glucose, 0.5-3% other sugars, 4-14% cyclitols and 0.5-2% organic and inorganic impurities. Sugars are extracted from carob pulp and the juice thus obtained is subjected to chromatographic separation to separate the sugars from the non-sugars. The product obtained may be used in applications similar to those of other sugars.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: September 19, 1995
    Assignee: Compania General Del Algarrobo De Espana S.A.
    Inventor: Carlos S. Diaz
  • Patent number: 5358571
    Abstract: Extraction processes for the recovery of sugar from sugar cane can be improved by the incorporation of a fiber depither between one or more of the extraction mills. The cane fiber from an extraction mill is fed to a fiber depither where the cane fibers are macerated to break sugar containing cells. The sugar is removed in a liquid stream and the cane fibers in a solids stream. The cane fibers are preferably fed to a subsequent extraction mill. The liquid stream is preferably flowed countercurrent to the flow of cane fiber to the first extraction mill. From the first extraction mill the liquid stream is sent to sugar recovery.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: October 25, 1994
    Inventors: Eduardo J. Villavicencio, Eduardo G. Villavicencio Charpentier
  • Patent number: 5320681
    Abstract: A method of producing sugar through the recycling of a carbonation scum produced after a first carbonation of a sugar juice treated with a lime milk comprises separating the scum after the first carbonation. The scum-free sugar juice is then filtered for producing sugar. An amount of the separated scum is diluted with water. After diluting, the pH of the diluted scum is adjusted, and a thick portion of the amount of the scum is separated and activated. The activated thick portion of the scum is then recycled for introduction with a sugar juice.
    Type: Grant
    Filed: March 5, 1992
    Date of Patent: June 14, 1994
    Assignee: Limex
    Inventors: Dalibor Moc, Jaroslav Zaruba
  • Patent number: 5254174
    Abstract: A method for preparing a mixture of fructose, glucose and compounds of the general formula GF.sub.n, wherein G is glucose and F is fructose and n is an integer. The mixture is recovered from plant tubers or roots by means of a method which does not involve any chemical modification of the components of the mixture. A juice or syrup comprising fructose, glucose, sucrose and oligosaccharides is subjected at one or more suitable steps to a physical separation process to reduce the amount of fructose, glucose and sucrose. The physical separation may be carried out by chromatography or nanofiltration or both. The mixture is suitable for use in foodstuffs and beverages for human beings and animals.
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: October 19, 1993
    Assignee: Danisco A/S
    Inventors: Ole Hansen, John Jensen
  • Patent number: 5213832
    Abstract: In a process for applying a sugar solution to the surface of a cereal product, drying the sugar-coated cereal, collecting the fines produced therefrom and recycling the collected fines back into the original sugar solution the improvement that the fines can be contacted with water to form a slurry of dissolved sugar and insoluble cereal which is then separated into a liquid sugar fraction and an insoluble cereal fraction by centrifugation in a solid bowl centrifuge.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: May 25, 1993
    Assignee: Kraft General Foods, Inc.
    Inventors: Bruce A. Johnson, David A. Cronk
  • Patent number: 5128323
    Abstract: The invention relates to pharmaceutical compositions having antiendotoxic activity, comprising as the active component a fraction which can be isolated from lactulase syrup by means of absorption at a sulphonated polystyrene cation resin in the Ca.sup.2+ - form and elution with a suitable solvent. The lactulose syrup can be obtained by basic isomerization of lactose at elevated temperature, optionally in the presence of sodiumsulphite.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: July 7, 1992
    Assignee: Duphar International Research B.V.
    Inventor: Maarten H. Pranger
  • Patent number: 5110363
    Abstract: A non-toxic composition, and method, for the clarification of raw sugar-containing juices, especially sugar cane juice, and related products, for analysis. A composition constituted of A) aluminum chloride hydroxide, B) lime and C) activated bentonite, bentonite containing calcium aluminum silicate, and preferably also a polymeric flocculating agent, has been found highly effective as a reagent for the clarification of sugar-containing juices, notably sugar cane juice, and related products.
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: May 5, 1992
    Assignee: The Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Stephen J. Clarke, Joy Bourgeois