Patents by Inventor Jeffrey John Kolstad
Jeffrey John Kolstad 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: 11780150Abstract: An oriented film including poly(ethylene-2,5-furandicarboxylate) is produced in a process by preparing a sheet from a poly(ethylene-2,5-furandicarboxylate) resin by heat processing, which sheet has a thickness of at most 2.5 mm; allowing the sheet to cool; and stretching the cooled sheet in at least one direction with a stretch ratio of at least 4/1 at a temperature in the range of 90 to 130° C., yielding an oriented film. The oriented film has a thickness of 1 to 400 ?m and a tensile strength at break of at least 100 MPa.Type: GrantFiled: February 26, 2021Date of Patent: October 10, 2023Assignee: Furanix Technologies B.V.Inventors: Jeffrey John Kolstad, Jesper Gabriël Van Berkel
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Publication number: 20230020208Abstract: Thermal treatment of purified FDCA for producing a carboxylic acid composition, the process comprising the steps of providing or producing a thermal treatment composition comprising a purified carboxylic acid composition and an organic acid containing treatment solvent composition; subjecting the thermal treatment composition to an elevated temperature, wherein the FDCA is partially dissolved, and cooling the treated composition and separating at least a portion of the FDCA from the treated composition to obtain a carboxylic acid composition.Type: ApplicationFiled: December 18, 2020Publication date: January 19, 2023Inventors: Jeffrey John Kolstad, Ana Sofia Vagueiro De Sousa Dias, Johannes Maria Franciscus Sijben, Ana Rita Martins Guerreiro Rocha Almeida, Ines Dacil Gonzalez Jimenez
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Publication number: 20230002338Abstract: Thermal treatment of purified 2,5-furandicarboxylic acid (FDCA) for producing a carboxylic acid composition, the process comprising the steps of providing or producing a thermal treatment composition comprising a purified carboxylic acid composition and a water containing treatment solvent composition; subjecting the thermal treatment composition to an elevated temperature, wherein the FDCA is partially dissolved, and cooling the treated composition and separating at least a portion of the FDCA from the treated composition to obtain a carboxylic acid composition.Type: ApplicationFiled: December 18, 2020Publication date: January 5, 2023Inventors: Jeffrey John Kolstad, Ana Sofia Vagueiro De Sousa Dias, Johannes Maria Franciscus Sijben, Ana Rita Martins Guerreiro Rocha Almeida, Ines Dacil Gonzalez Jimenez
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Publication number: 20220411393Abstract: A process for producing a carboxylic acid composition including 2,5-furandicarboxylic acid, including the steps: a) oxidizing an oxidizable compound including 5-alkoxymethylfurfural in an oxidation reactor in the presence of a saturated organic acid solvent having from 2 to 6 carbon atoms and a catalyst system comprising cobalt, manganese and bromine using an oxidizing gas at a temperature in the range of 160 to 210° C. to obtain a crude carboxylic acid composition including mono alkyl ester of 2,5-furandicarboxylic acid and solid 2,5-furandicarboxylic acid, b) isolating at least a portion of the solid 2,5-furandicarboxylic acid from the crude carboxylic acid composition in a solid-liquid separation zone to generate a solid cake and a mother liquor, c) determining the amount of manganese and/or cobalt in the cake, and d) increasing the amount of one or more controlling acids in the oxidation reactor.Type: ApplicationFiled: December 18, 2020Publication date: December 29, 2022Inventors: Hendrikus Jacob Baars, Jan Hendrik Blank, Jeffrey John Kolstad, Ana Sofia Vagueiro De Sousa Dias
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Publication number: 20220204206Abstract: A preform for multilayer container having a polyethylene furanoate layer includes an outer layer defining an exterior surface and including poly(ethylene terephthalate) and an inner barrier layer including semi-crystalline poly(ethylene furanoate) where the semi-crystalline poly(ethylene furanoate) of the inner barrier layer has a crystallinity in the range of 3 to 10%.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Applicant: Furanix Technologies B.V.Inventors: Jesper Gabriël van Berkel, Jeffrey John Kolstad
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Patent number: 11305910Abstract: A container includes an outer layer defining an exterior surface and including poly (ethylene terephthalate) and an inner barrier layer including semi-crystalline poly(ethylene furanoate) including semi-crystalline poly(ethylene furanoate) where the poly(ethylene furanoate) has a crystallinity Xc of 3 to 40%.Type: GrantFiled: March 3, 2020Date of Patent: April 19, 2022Assignee: Furanix Technologies B.V.Inventors: Jesper Gabriël van Berkel, Jeffrey John Kolstad
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Publication number: 20210178656Abstract: An oriented film including poly(ethylene-2,5-furandicarboxylate) is produced in a process by preparing a sheet from a poly(ethylene-2,5-furandicarboxylate) resin by heat processing, which sheet has a thickness of at most 2.5 mm; allowing the sheet to cool; and stretching the cooled sheet in at least one direction with a stretch ratio of at least 4/1 at a temperature in the range of 90 to 130° C., yielding an oriented film. The oriented film has a thickness of 1 to 400 ?m and a tensile strength at break of at least 100 MPa.Type: ApplicationFiled: February 26, 2021Publication date: June 17, 2021Applicant: Furanix Technologies B.V.Inventors: Jeffrey John Kolstad, Jesper Gabriël Van Berkel
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Patent number: 10974439Abstract: An oriented film including poly(ethylene-2,5-furandicarboxylate) is produced in a process by preparing a sheet from a poly(ethylene-2,5-furandicarboxylate) resin by heat processing, which sheet has a thickness of at most 2.5 mm; allowing the sheet to cool; and stretching the cooled sheet in at least one direction with a stretch ratio of at least 4/1 at a temperature in the range of 90 to 130° C., yielding an oriented film. The oriented film has a thickness of 1 to 400 ?m and a tensile strength at break of at least 100 MPa.Type: GrantFiled: August 25, 2015Date of Patent: April 13, 2021Assignee: Furanix Technologies B.V.Inventors: Jeffrey John Kolstad, Jesper Gabriël Van Berkel
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Publication number: 20200283587Abstract: A container includes an outer layer defining an exterior surface and including poly (ethylene terephthalate) and an inner barrier layer including semi-crystalline poly(ethylene furanoate) including semi-crystalline poly(ethylene furanoate) where the poly(ethylene furanoate) has a crystallinity Xc of 3 to 40%.Type: ApplicationFiled: March 3, 2020Publication date: September 10, 2020Inventors: Jesper Gabriël van Berkel, Jeffrey John Kolstad
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Patent number: 10351973Abstract: A fiber comprising polyethylene-2,5-furan-dicarboxylate, is prepared by melt spinning in a process wherein a molten composition comprising polyethylene-2,5-furan-dicarboxylate having an intrinsic viscosity of at least 0.55 dl/g, determined in dichloroacetic acid at 25° C., is passed through one or more spinning openings to yield molten threads; wherein the molten threads are cooled to below the melting temperature of the composition to yield spun fibers; and wherein the spun fibers are drawn to a linear density in the range of 0.05 to 2.0 tex per fiber. The invention also proves a fiber comprising polyethylene-2,5-furan-dicarboxylate having a linear density of 0.05 to 2.0 tex, wherein the polyethylene-2,5-furan-dicarboxylate has an intrinsic viscosity of at least 0.45 dl/g, determined in dichloroacetic acid at 25° C.Type: GrantFiled: June 20, 2014Date of Patent: July 16, 2019Assignee: FURANIX TECHNOLOGIES B.V.Inventors: Jeffrey John Kolstad, Gerardus Johannes Maria Gruter
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Patent number: 10316140Abstract: A polyester including at least one furandicarboxylate unit, at least one saturated, linear or branched, diol unit including from 2 to 10 carbon atoms, and at least one bicyclic diol unit, the said bicyclic diol being chosen from: isosorbide, isoidide, isomannide, 2,3:4,5-di-O-methylene-galactitol, and 2,4:3,5-di-O-methylene-D-mannitol. The glass transition temperature of the polyester is greater than or equal to 90° C. Processes for preparing this polyester are also described.Type: GrantFiled: March 23, 2015Date of Patent: June 11, 2019Assignees: Furanix Technologies B.V., Roquette FreresInventors: Laszlo Sipos, Gerardus Johannes Maria Gruter, Jeffrey John Kolstad, Gabriel Degand, Nicolas Jacquel, René Saint-Loup, Matheus Adrianus Dam, Joseph D. Schroeder
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Patent number: 10072119Abstract: The molecular weight of a semi-crystalline starting polyester comprising ethylene 2,5-furandicarboxylate units is enhanced by heating the semi-crystalline starting polyester, having a melting point Tm, at a temperature in the range of (Tm-40° C.) to Tm to obtain a solid stated polyester, where the semi-crystalline starting polyester has an intrinsic viscosity of at least 0.45 dL/g, and an amount of carboxylic acid end groups in the range of 15 to 122 meq/kg.Type: GrantFiled: March 11, 2015Date of Patent: September 11, 2018Assignee: Synvina C.V.Inventors: Jeffrey John Kolstad, Gerardus Johannes Maria Gruter, Matheus Adrianus Dam, Jesper Gabriël van Berkel, Robert Joseph Schiavone, Marion L. Andrews
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Publication number: 20180223078Abstract: A polyester composition includes poly(alkylene furandicarboxylate) and a color-stabilizing agent. The poly(alkylene furandicarboxylate) may be poly(ethylene 2,5-furandicarboxylate). Suitable examples of the color-stabilizing agent in such a composition include the compounds selected from a sterically hindered phenolic compound, a phosphonite compound, a phosphite and combinations thereof. In particular the color-stabilizing agent is a phosphite containing at least one tri-substituted phenyl moiety.Type: ApplicationFiled: August 4, 2016Publication date: August 9, 2018Inventors: Hajime Nakajima, Jesper Gabriël Van Berkel, Jeffrey John Kolstad
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Patent number: 10030097Abstract: A polyester-containing object, such as an injection stretch blow molded bottle, a biaxially oriented film or a drawn fiber, is made from melt-processing poly(ethylene-2,5-furandicarboxylate). The poly(ethylene-2,5-furandicarboxylate) has a number average molecular weight of at least 25,000, as determined by GPC based on polystyrene standards, and includes an antimony catalyst.Type: GrantFiled: November 16, 2016Date of Patent: July 24, 2018Assignee: Furanix Technologies B.V.Inventors: Laszlo Sipos, Gerardus Johannes Maria Gruter, Jeffrey John Kolstad, Matheus Adrianus Dam
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Patent number: 9908968Abstract: A polyester, including ethylene 2,5-furandicarboxylateunits, also includes diethylene glycol residues, the content of which is less than 0.045, in moles per mole of 2,5-furandicarboxylate moieties. The polyester composition can be prepared with a method where a starting mixture is subjected to esterification of 2,5-furandicarboxylic acid or transesterification of an ester thereof with ethylene glycol in the presence of a basic compound and/or an ammonium compound capable of suppressing the formation of diethylene glycol.Type: GrantFiled: March 11, 2015Date of Patent: March 6, 2018Assignee: Synvina C.V.Inventors: Jeffrey John Kolstad, Bing Wang, Robert Joseph Schiavone, Marion L. Andrews, Jesper Gabriël van Berkel, Edward E. Paschke
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Patent number: 9890242Abstract: A polyester, including ethylene 2,5-furandicarboxylate units, has an intrinsic viscosity of at least 0.45 d L/g, and has a relative content of carboxylic acid end groups, expressed as the fraction of the molar amount of carboxylic acid end groups divided by the sum of the molar amounts of hydroxyl end groups and carboxylic acid end groups in the range of 0.10 to 0.70. The polyester can be prepared with a method wherein a starting mixture comprising 2,5-furandicarboxylic acid and ethylene glycol is subjected to esterification and subsequent polycondensation at reduced pressure when the molar ratio of 2,5-furandicarboxylic acid to ethylene glycol in the starting mixture is 1:1.01 to 1:1.15, where water, that is formed during the reaction between 2,5-furandicarboxylic acid and ethylene glycol, and some ethylene glycol are removed in a distillation system, and where ethylene glycol that is removed with water, is separated from water and at least partly recycled.Type: GrantFiled: March 11, 2015Date of Patent: February 13, 2018Assignee: Synvina C.V.Inventors: Jeffrey John Kolstad, Gerardus Johannes Maria Gruter, Matheus Adrianus Dam, Bing Wang, Robert Joseph Schiavone, Marion L. Andrews, Jesper Gabriël van Berkel, Edward E. Paschke
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Patent number: 9840582Abstract: A polyester including poly(ethylene 2,5-furandicarboxylate is prepared by esterification of a starting mixture including 2,5-furandicarboxylic acid and ethylene glycol to form an ester composition, and by subjecting the ester composition thus obtained to polycondensation at reduced pressure in the presence of a polycondensation catalyst to obtain a polycondensate. The mixture is reacted under conditions such that the esterification potential as defined by Esterification Potential (EsPo)=(MR?1)2*PH2O(T), where MR represents the molar ratio of ethylene glycol over 2,5-furandicarboxylic acid, MR being greater than 1; PH2O(T) represents the pure component vapor pressure (in bar) of water at temperature T, which is the final reaction temperature in the esterification mixture before the pressure is reduced to effect the polycondensation, is less than 0.8.Type: GrantFiled: March 11, 2015Date of Patent: December 12, 2017Assignee: Furanix Technologies B.V.Inventors: Jeffrey John Kolstad, Matheus Adrianus Dam, Bing Wang, Robert Joseph Schiavone, Marion L. Andrews, Edward E. Paschke
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Publication number: 20170297256Abstract: An oriented film including poly(ethylene-2,5-furandicarboxylate) is produced in a process by preparing a sheet from a poly(ethylene-2,5-furandicarboxylate) resin by heat processing, which sheet has a thickness of at most 2.5 mm; allowing the sheet to cool; and stretching the cooled sheet in at least one direction with a stretch ratio of at least 4/1 at a temperature in the range of 90 to 130° C., yielding an oriented film. The oriented film has a thickness of 1 to 400 ?m and a tensile strength at break of at least 100 MPa.Type: ApplicationFiled: August 25, 2015Publication date: October 19, 2017Applicant: Synvina C.V.Inventors: Jeffrey John Kolstad, Jesper Gabriël Van Berkel
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Publication number: 20170129994Abstract: A polyester including at least one furandicarboxylate unit, at least one saturated, linear or branched, diol unit including from 2 to 10 carbon atoms, and at least one bicyclic diol unit, the said bicyclic diol being chosen from: isosorbide, isoidide, isomannide, 2,3:4,5-di-O-methylene-galactitol, and 2,4:3,5-di-O-methylene-D-mannitol. The glass transition temperature of the polyester is greater than or equal to 90° C. Processes for preparing this polyester are also described.Type: ApplicationFiled: March 23, 2015Publication date: May 11, 2017Applicants: Furanix Technologies B.V., Roquette FrèresInventors: Laszlo Sipos, Gerardus Johannes Maria Gruter, Jeffrey John Kolstad, Gabriel Degand, Nicolas Jacquel, René Saint-Loup, Matheus Adrianus Dam, Joseph D. Schroeder
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Publication number: 20170073462Abstract: A polyester including poly(ethylene 2,5-furandicarboxylate is prepared by esterification of a starting mixture including 2,5-furandicarboxylic acid and ethylene glycol to form an ester composition, and by subjecting the ester composition thus obtained to polycondensation at reduced pressure in the presence of a polycondensation catalyst to obtain a polycondensate. The mixture is reacted under conditions such that the esterification potential as defined by Esterification Potential (EsPo)=(MR?1)2*PH2O(T), where MR represents the molar ratio of ethylene glycol over 2,5-furandicarboxylic acid, MR being greater than 1; PH2O(T) represents the pure component vapor pressure (in bar) of water at temperature T, which is the final reaction temperature in the esterification mixture before the pressure is reduced to effect the polycondensation, is less than 0.8.Type: ApplicationFiled: March 11, 2015Publication date: March 16, 2017Applicant: Furanix Technologies B.V.Inventors: Jeffrey John Kolstad, Matheus Adrianus Dam, Bing Wang, Robert Joseph Schiavone, Marion L. Andrews, Edward E. Paschke