Patents Assigned to DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
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Patent number: 11420952Abstract: Sugar-based mono and diesters are prepared by esterification of 2,5-furan-dicarboxylic acid (FDCA) with an alcohol in the presence of low loadings of a homogeneous organotin (IV) catalyst.Type: GrantFiled: February 3, 2021Date of Patent: August 23, 2022Assignees: Archer Daniels Midland Company, DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Kenneth Stensrud, Stuart Fergusson
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Publication number: 20210171486Abstract: Sugar-based mono and diesters are prepared by esterification of 2,5-furan-dicarboxylic acid (FDCA) with an alcohol in the presence of low loadings of a homogeneous organotin (IV) catalyst.Type: ApplicationFiled: February 3, 2021Publication date: June 10, 2021Applicants: Archer Daniels Midland Company, DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Kenneth Stensrud, Stuart Fergusson
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Patent number: 11028063Abstract: An integrated process is useful for producing 2,5-furandicarboxylic acid (FDCA) and/or a derivative thereof from a six-carbon sugar-containing feed. The process includes a) dehydrating a feed containing a six-carbon sugar unit, in the presence of a bromine source and of a solvent, to generate an oxidation feed that contains at least one of 5-hydroxymethylfurfural (HMF) and/or a derivative or derivatives of HMF in the solvent, together with at least one bromine containing species; b) contacting the oxidation feed from step (a) with a metal catalyst and with an oxygen source under oxidation conditions to produce an oxidation product mixture of at least FDCA and/or a derivative thereof, the solvent, and a residual catalyst; c) purifying and separating the mixture obtained in step (b) to obtain FDCA and/or a derivative thereof and the solvent; and d) recycling at least a portion of the solvent obtained in step (c) to step (a).Type: GrantFiled: July 9, 2020Date of Patent: June 8, 2021Assignees: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC, ARCHER-DANIELS-MIDLAND COMPANYInventors: Stephen J. Howard, Kristina A. Kreutzer, Bhuma Rajagopalan, Eric R. Sacia, Alexandra Sanborn, Brennan Smith
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Publication number: 20210154640Abstract: This disclosure relates to SA alkylation reactor systems. The reactor system involves a closed reactor vessel comprising a shell, a vapor outlet, and an emulsion outlet. The reactor system also involves a distributor located at the lower portion of the reactor vessel, a mixer fluidly connected with the distributor, and an emulsion pump fluidly connected with the mixer and the emulsion outlet, wherein the emulsion pump is located outside the reactor vessel. This disclosure also relates to a split SA alkylation reactor system wherein a single horizontal reactor vessel is divided to accommodate two reactor systems. This disclosure also relates to alkylation processes using the reactor systems. This disclosure also relates to methods of converting an HF alkylation unit to a SA alkylation unit. This disclosure also relates to converted SA alkylation units and alkylation processes performed in the converted SA alkylation units.Type: ApplicationFiled: August 30, 2018Publication date: May 27, 2021Applicant: DuPont Industrial Biosciences USA, LLCInventors: Christopher Shane Presley, Diwakar Rana, Jason Brent Nunez, Arthur William Etchells, Ken Kranz, Cody Jensen
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Publication number: 20210130311Abstract: Compositions and methods are provided for the production of bio-based polymers (e.g., polymers made from glucose), including polyesters, as well as end products resulting from such production, in which one or more color stabilizing additive compounds is utilized. The additive(s) may be used in the stabilization of a monomer or prepolymer that is reacted in such production methods, prior to obtaining the polymer. Particular bio-based polymers are those having furandicarboxylate moieties or residues in their backbone structure, with poly(alkylene furan dicarboxylate) polymers, such as polyethylene furan dicarboxylate) (PEF) and poly(trimethylene furan dicarboxylate) (PTF) being representative.Type: ApplicationFiled: June 18, 2019Publication date: May 6, 2021Applicants: Archer Daniels Midland Company, DuPont Industrial Biosciences USA, LLCInventors: Erik Hagberg, Chi Cheng Ma, Kenneth F. Stensrud
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Patent number: 10947208Abstract: A method for preparing sugar-based mono and diesters is described. The process entails the esterification of 2,5-furan-dicarboxylic acid (FDCA) with an alcohol in the presence of low loadings of a homogeneous organotin (IV) catalyst.Type: GrantFiled: May 11, 2017Date of Patent: March 16, 2021Assignees: ARCHER DANIELS MIDLAND COMPANY, DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Kenneth Stensrud, Stuart Fergusson
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Patent number: 10934418Abstract: Disclosed herein are compositions comprising polysaccharide particles with an average size of about 0.1-10 mm. These particles comprise at least (i) about 50%-90% by weight water or an aqueous solution, and (ii) about 10%-50% by weight insoluble alpha-glucan, or an insoluble cationic ether thereof, comprising alpha-1,3-glycosidic linkages and having a weight-average degree of polymerization (DPw) of at least about 100. Further disclosed are methods of preparing these compositions, as well as systems for storing and/or moving them.Type: GrantFiled: January 28, 2020Date of Patent: March 2, 2021Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Timothy Allan Bell, Dean M. Fake, Scott M. Herkimer, Dhiren V. Patel, Tyler D. Pritchett
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Patent number: 10927392Abstract: Enzymatic reactions are disclosed herein comprising water, glucose-1-phosphate, cellodextrin, and at least one cellodextrin phosphorylase enzyme comprising an amino acid sequence that is at least 90% identical to SEQ ID NO:2 or SEQ ID NO:6. These reactions produce a low molecular weight, insoluble cellulose with enhanced features.Type: GrantFiled: August 23, 2019Date of Patent: February 23, 2021Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Natnael Behabtu, Ayrookaran J. Poulose, Zheyong Yu, Zhenghong Zhang
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Patent number: 10907185Abstract: An enzymatically produced soluble ?-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble ?-glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble ?-glucan fiber are also provided.Type: GrantFiled: May 22, 2015Date of Patent: February 2, 2021Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Qiong Cheng, Robert Dicosimo, Arthur Ouwehand, Zheng You, Jian Ping Lai, Zheyong Yu, Zhenghong Zhang
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Patent number: 10895028Abstract: Nonwoven webs formed from modified 1,3-?-D-glucan polymer and methods of forming the nonwoven webs are disclosed. The modified 1,3-?-D-glucan polymer can have a number average degree of polymerization in the range of from 55 to 10,000. The nonwoven webs can be used for personal hygiene wipes, filtration media, apparel or other uses.Type: GrantFiled: December 9, 2016Date of Patent: January 19, 2021Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventor: Natnael Behabtu
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Patent number: 10876225Abstract: The present invention relates to a method for the production of polysaccharide fibers which contain ?(1?3)-glucan as a fiber-forming substance, as well as to the fibers made thereby, and to their use.Type: GrantFiled: May 15, 2018Date of Patent: December 29, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Gregor Kraft, Gert Kroner, Thomas Röder, Heinrich Firgo
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Patent number: 10876074Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: November 7, 2016Date of Patent: December 29, 2020Assignee: DuPont Industrial Biosciences USA, LLCInventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S Payne, Jahnavi Chandra Prasad, Zheng You
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Patent number: 10876226Abstract: The present invention relates to a method for the production of polysaccharide fibers which contain a mixture of cellulose and ?(1?3)-glucan as a fiber-forming substance, as well as to the fibers made thereby, and to their use.Type: GrantFiled: May 24, 2018Date of Patent: December 29, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Thomas Röder, Gernot Kaindl, Sigrid Redlinger, Heinrich Firgo, Gert Kroner
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Patent number: 10865393Abstract: Disclosed herein are glucosyltransferases with modified amino acid sequences. Such engineered enzymes exhibit improved alpha-glucan product yields and/or lower leucrose yields, for example. Further disclosed are reactions and methods in which engineered glucosyltransferases are used to produce alpha-glucan.Type: GrantFiled: September 11, 2018Date of Patent: December 15, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Yougen Li, Ellen D. Semke, Qiong Cheng, Jian Ping Lai
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Patent number: 10865254Abstract: A hydrocolloid or aqueous solution comprising a poly alpha-1,3-glucan ether compound is disclosed having a viscosity of at least about 10 centipoise (cPs). The poly alpha-1,3-glucan ether compound in these compositions has a degree of substitution of about 0.05 to about 3.0. Also disclosed is a method for increasing the viscosity of a hydrocolloid or aqueous composition using a poly alpha-1,3-glucan ether compound.Type: GrantFiled: June 13, 2018Date of Patent: December 15, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 10844324Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: November 7, 2016Date of Patent: November 24, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L Paullin, Mark S Payne, Jahnavi Chandra Prasad, Zheng You
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Patent number: 10844142Abstract: The disclosure relates to compositions comprising a polysaccharide derivative. The polysaccharide derivative is a polysaccharide polymer wherein the polymer is substituted with at least one polyether group and/or polyamine group. Compositions comprising the polysaccharide derivative are useful as detergent compositions.Type: GrantFiled: June 12, 2017Date of Patent: November 24, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Helen S M Lu, Robert Dicosimo, Rong Guan, Weiming Qui
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Publication number: 20200354329Abstract: A method for preparing sugar-based mono and diesters is described. The process entails the esterification of 2,5-furan-dicarboxylic acid (FDCA) with an alcohol in the presence of low loadings of a homogeneous organotin (IV) catalyst.Type: ApplicationFiled: May 11, 2017Publication date: November 12, 2020Applicants: Archer Daniels Midland Company, DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Kenneth Stensrud, Stuart Fergusson
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Patent number: 10822574Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.Type: GrantFiled: November 7, 2016Date of Patent: November 3, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Zheng You
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Patent number: 10800860Abstract: Poly alpha-1,3-glucan ether compounds are disclosed herein comprising positively charged organic groups. The degree of substitution of the ether compounds is about 0.05 to about 3.0. Also disclosed are methods of producing poly alpha-1,3-glucan ether compounds having positively charged organic groups, as well as methods of using these ether compounds for increasing the viscosity of a aqueous compositions. Hydrocolloids and aqueous solutions comprising the ether compounds are also disclosed.Type: GrantFiled: May 10, 2019Date of Patent: October 13, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: T. Joseph Dennes, Andrea M. Perticone, Jayme L. Paullin