Patents by Inventor Aharon Meir Eyal
Aharon Meir Eyal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10752878Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio?0.06 to total saccharides; disaccharides in a ratio to total saccharides?0.05; pentose in a ratio to total saccharides?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: GrantFiled: March 22, 2018Date of Patent: August 25, 2020Assignee: VIRDIA, INC.Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Publication number: 20190032005Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio?0.06 to total saccharides; disaccharides in a ratio to total saccharides?0.05; pentose in a ratio to total saccharides?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: ApplicationFiled: March 22, 2018Publication date: January 31, 2019Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Patent number: 9963673Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio ?0.06 to total saccharides; disaccharides in a ratio to total saccharides ?0.05; pentose in a ratio to total saccharides ?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: GrantFiled: June 23, 2016Date of Patent: May 8, 2018Assignee: Virdia, Inc.Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Publication number: 20160376546Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio ?0.06 to total saccharides; disaccharides in a ratio to total saccharides ?0.05; pentose in a ratio to total saccharides ?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: ApplicationFiled: June 23, 2016Publication date: December 29, 2016Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Patent number: 9410216Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio ?0.06 to total saccharides; disaccharides in a ratio to total saccharides ?0.05; pentose in a ratio to total saccharides ?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: GrantFiled: June 26, 2011Date of Patent: August 9, 2016Assignee: Virdia, Inc.Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Publication number: 20120264873Abstract: A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio ?0.06 to total saccharides; disaccharides in a ratio to total saccharides ?0.05; pentose in a ratio to total saccharides ?0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.Type: ApplicationFiled: June 26, 2011Publication date: October 18, 2012Inventors: Aharon Meir Eyal, Robert P. Jansen, Revital Mali, Asher Vitner
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Publication number: 20120227733Abstract: A hydrolysis system comprising: (a) a reactor vessel including a sprinkler at an upper portion thereof and a drain; (b) a pump re-circulating a flow of an acidic reaction liquid from a selected height in said vessel to said sprinkler; (c) an acid supply mechanism delivering a supply of HCl at a concentration?39% to a lower portion of said reactor vessel; and (d) a flow splitter diverting a portion of the acidic reaction liquid so that a level of liquid in the vessel remains in a predetermined range.Type: ApplicationFiled: October 24, 2011Publication date: September 13, 2012Inventors: Aharon Meir Eyal, Robert P. Jansen
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Publication number: 20120184026Abstract: An integrated plant comprising: (a) one or more lignocellulose processing units producing one or more sugar streams and one or more lignin streams; (b) one or more lignin-processing units processing one or more of said lignin streams into a lignin product; and (c) one or more sugar processing units processing one or more of said sugar streams into a sugar product; (d) at least one transfer mechanism transferring one or more of said sugar stream(s) to one or more of said sugar processing units over a distance of 5 km or less; and (e) at least one transfer mechanism transferring said lignin stream from one or more of said lignocellulose processing units to one or more of said lignin processing units over a distance of 5 km or less.Type: ApplicationFiled: December 21, 2011Publication date: July 19, 2012Inventor: Aharon Meir Eyal
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Publication number: 20090123638Abstract: A monosaccharide production system is disclosed. The production system can be directed to processes for producing a D-galactose preparation, a D-galactose preparation and an isoflavones preparation, a tagatose preparation, and a tagatose preparation and an isoflavones preparation.Type: ApplicationFiled: November 22, 2005Publication date: May 14, 2009Inventor: Aharon Meir Eyal
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Patent number: 7238837Abstract: The invention provides a process for the recovery of lactic acid from aqueous solutions containing at least one water-soluble lactate salt and having a pH of about between 4 and 14, comprising the steps of: contacting said aqueous solution with a cation exchanger which is at least partially in its acid form, said cation exchanger being water immiscible in both acid and salt form, whereby ion exchange is effected, protons are transferred from the cation exchanger to the aqueous solution to acidulate it and to form lactic acid therein and cations from the aqueous solution are bound by the cation exchanger; reacting the cations carrying cation exchanger to convert it into a cation exchanger which is at least partially in its acid form and to a second product, which second product is basic and comprises the cation of the salt; and recovering lactic acid from the lactic acid-containing acidulated aqueous solution by methods known per se.Type: GrantFiled: October 2, 1997Date of Patent: July 3, 2007Inventors: Aharon Meir Eyal, Ponnampalam Elankovan
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Patent number: 7019170Abstract: The invention provides a process for the recovery of lactic acid and products thereof from an aqueous solution containing free lactic acid and at least one lactate salt at a total concentration of at least 5%, the process comprising the steps of: extracting at least 70% of the free lactic acid from the aqueous solution by contacting the solution with a basic extractant, to form a lactic acid-containing extract and a lactic acid-depleted, lactate salt-containing aqueous solution; separating the lactic acid-containing extract from the depleted aqueous solution; and stripping the extracted lactic acid from the extract by methods known per se, to form a solution of lactic acid and a stripped extractant.Type: GrantFiled: October 2, 1997Date of Patent: March 28, 2006Assignee: Cargill IncorporatedInventors: Aharon Meir Eyal, Patrick R. Gruber, Rod R. Fisher, Jeffrey J. Kolstad
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Patent number: 6667417Abstract: The invention provides a process for producing lactic acid from a medium containing an alkaline earth-metal salt of lactic acid, comprising (a) reacting a conjugated base of an alkali metal from a subsequent step with the medium to form a water soluble alkali metal lactate salt and a basic compound of the alkaline earth metal; (b) separating the water soluble alkali metal lactate salt and the basic compound of the alkaline earth-metal; (c) splitting the water soluble alkali metal lactate to form a conjugated alkali metal base and a lactic acid product, which product is selected from the group consisting of lactic acid; and (d) separating the conjugated alkali metal base and the lactic acid product; (e) reusing the separated conjugated alkali metal base or the product in the step (a); and (f) reusing the basic compound of the alkaline earth metal, separated in step (b) to form an alkaline earth metal salt of lactic acid.Type: GrantFiled: November 19, 1999Date of Patent: December 23, 2003Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Aharon Meir Eyal, David Witzke, Rod Fisher
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Publication number: 20030187300Abstract: The invention provides a process for the recovery of lactic acid and products thereof from an aqueous solution containing free lactic acid and at least one lactate salt at a total concentration of at least 5%, the process comprising the steps of: extracting at least 70% of the free lactic acid from the aqueous solution by contacting the solution with a basic extractant, to form a lactic acid-containing extract and a lactic acid-depleted, lactate salt-containing aqueous solution; separating the lactic acid-containing extract from the depleted aqueous solution; and stripping the extracted lactic acid from the extract by methods known per se, to form a solution of lactic acid and a stripped extractant.Type: ApplicationFiled: October 25, 1999Publication date: October 2, 2003Inventors: AHARON MEIR EYAL, PATRICK R. GRUBER, ROD R. FISHER, JEFFREY J. KOLSTAD
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Publication number: 20020128508Abstract: The invention provides a process for producing lactic acid and products thereof from a medium containing an alkaline earth-metal salt of lactic acid, comprising (a) reacting a conjugated base of an alkali metal from a subsequent step with the medium to form a water soluble alkali metal lactate salt and a basic compound of the alkaline earth metal; (b) separating the water soluble alkali metal lactate salt and the basic compound of the alkaline earth metal; (c) splitting the water soluble alkali metal lactate to form a conjugated alkali metal base and a lactic acid product, which product is selected from the group consisting of lactic acid, a derivative thereof and combination thereof; (d) separating the conjugated alkali metal base and the lactic acid product; (e) reusing the separated conjugated alkali metal base or a product thereof in the step (a) and (f) reusing the basic compound of the alkaline earth metal separated in step (b), or a product thereof to form an alkaline earth-metal salt of lactic acidType: ApplicationFiled: November 19, 1999Publication date: September 12, 2002Inventors: AHARON MEIR EYAL, DAVID WITZKE, ROD FISHER
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Patent number: 6344066Abstract: A method for the combined production of (I) a fertilizer selected from a group consisting of ammonium nitrate, ammonium phosphates or a combination thereof through an indirect neutralization of ammonia with an acid selected form a group consisting of nitric acid, phosphoric acid and a combination thereof and of (II) a sulfur compound selected from a group consisting of elemental sulfur, SO2, sulfuric acid and sulfate salts, said method comprising (a) contacting a sulfur oxide containing gas with ammonia and an aqueous liquor, whereby a sulfur oxide containing product is formed and the resulting gas has a reduced SO2 content; (b) reacting a sulfur oxide containing product resulting from step (a) with a reagent selected from a group consisting of nitric acid, phosphoric acid, a mixture thereof and salts formed by the reaction of said acids to form said fertilizer and a sulfur compund, and (c) separating at least a portion said sulfur compound from said fertilizer.Type: GrantFiled: May 24, 2000Date of Patent: February 5, 2002Assignee: ClueInventor: Aharon Meir Eyal
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Patent number: 6274349Abstract: The invention provides a process for the preparation of long-chain alkyl glycosides, comprising reacting at least one substrate selected from a group consisting a carbohydrates and carbohydrates sources and at least one fatty alkanol of at least eight carbon atoms in a medium consisting of at least one glycosidase enzyme having a temperature optimum greater than 60° C. and having thermal stability half-life of greater than 24 hours at 80° C.Type: GrantFiled: August 23, 1999Date of Patent: August 14, 2001Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Aharon Meir Eyal, Asher Vitner, Tal Reuveni
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Patent number: 6171501Abstract: The invention provides a process for the separation of amino acids and their salts from impurities contained in an aqueous feed solution containing the same, the process comprising: a) bringing the feed solution into contact with a substantially immiscible extractant phase comprising an amine and an acid, both of which are substantially water immiscible in both free and salt forms, to extract amino acid and salts thereof in the phase, wherein the extraction is carried out while the feed solution is within two pH units of the initial pH of the feed solution; and b) backwashing the extractant phase with a substantially neutral aqueous system to recover substantially all of the extracted amino acid and the extracted salts thereof.Type: GrantFiled: March 10, 1999Date of Patent: January 9, 2001Assignee: Yissum Research Development Company of the University of JerusalemInventors: Aharon Meir Eyal, Nadjda Cohen-Sydov
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Patent number: 6172242Abstract: The invention provides a process for the recovery of erythorbic acid from an aqueous feed solution containing values of erythorbic acid at a concentration of less than 0.7 mol/kg, comprising extracting said erythorbic acid with a water-immiscible organic extractant composition comprising at least one secondary or tertiary alkyl amine in which the aggregate number of carbon atoms is at least 20, as a primary extractant, and a polar extraction enhancer compound; wherein said extractant composition comprises at least 2 moles of said polar extraction enhancer compound per one mole of primary extractant; separating said erythorbic acid-containing organic extractant composition from residual aqueous solution, and subjecting said erythorbic acid-containing organic extractant composition to a stripping operation with aqueous solution at a temperature of at least 20° C.Type: GrantFiled: April 22, 1999Date of Patent: January 9, 2001Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Aharon Meir Eyal, Asher Vitner, Tal Reuveni, Betty Hazan
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Patent number: 6169187Abstract: The invention provides a process for the recovery of ascorbic acid from a feed containing at least one precursor of ascorbic acid comprising converting the precursor into at least one product, the at least one product being ascorbic acid in an organic extractant composition, the organic extractant composition comprising at least one secondary or tertiary alkyl amine in which the aggregate number of carbon atoms is at least 20, as a primary extractant, and a polar extraction enhancer compound; wherein the extractant composition comprises at least 2 moles of the polar extraction enhancer compound per one mole of primary extractant; and subjecting the ascorbic acid-containing organic extractant composition to a stripping operation with aqueous solution at a temperature of at least 20° C. higher than the temperature at which the conversion is carried out; whereby there is obtained an aqueous solution of ascorbic acid in which the concentration of ascorbic acid is higher than 5%.Type: GrantFiled: August 9, 1999Date of Patent: January 2, 2001Assignee: Yissum Research Development Company of the Hebrew University of JerusalemInventor: Aharon Meir Eyal
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Patent number: 6160173Abstract: The invention provides a process for the recovery of purified lactic acid values from an aqueous feed solution containing lactic acid, lactic acid salt, or mixtures thereof, comprising: bringing the feed solution into contact with a substantially immiscible anion exchanger to form a substantially water-immiscible phase comprising an anion exchanger-lactic acid adduct; effecting a condensation reaction in the substantially water-immiscible phase between a carboxylic moiety of the lactic acid adduct and a moiety selected from a hydroxyl moiety and a primary or secondary amine moiety to respectively form a lactic acid ester or amine product; and separating the formed lactic acid product from the anion exchanger.Type: GrantFiled: October 26, 1999Date of Patent: December 12, 2000Assignee: Cargill IncorporatedInventors: Aharon Meir Eyal, Patrick R. Gruber, Paul McWilliams, David R. Witzke