Patents by Inventor T. Joseph Dennes
T. Joseph Dennes 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: 12091470Abstract: 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: February 9, 2022Date of Patent: September 17, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 11958916Abstract: 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: December 11, 2020Date of Patent: April 16, 2024Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Publication number: 20210261692Abstract: 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: ApplicationFiled: December 11, 2020Publication date: August 26, 2021Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 11015150Abstract: Compositions comprising cellulase and at least one poly alpha-1,3-glucan ether compound having a degree of substitution with an organic group of about 0.05-3.0 are disclosed. Such compositions can be dry or aqueous, the latter of which can have a viscosity of at least about 10 cPs. The disclosed composition can be in the form of a personal care product, household product, or industrial product, for example. Also disclosed are a method for preparing an aqueous composition comprising cellulase and a poly alpha-1,3-glucan ether compound, and a method of treating a material such as fabric by contacting it with this aqueous composition.Type: GrantFiled: January 15, 2019Date of Patent: May 25, 2021Assignee: NUTRITION & BIOSCIENCES USA 4, INC.Inventors: Kevin D. Nagy, Perry G. Caimi, T. Joseph Dennes, Susan Marie Hennessey, Ayrookaran J. Poulose, Jayme L. Paullin
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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: 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
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Patent number: 10793838Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.Type: GrantFiled: April 12, 2019Date of Patent: October 6, 2020Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLCInventors: Jayme L. Paullin, Mark S. Payne, T. Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas H. Scholz
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Publication number: 20190270973Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.Type: ApplicationFiled: April 12, 2019Publication date: September 5, 2019Inventors: Jayme L. Paullin, Mark S. Payne, T. Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas H. Scholz
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Publication number: 20190245177Abstract: The present invention is directed to a separator for an electrochemical cell comprising a web, the web comprising fibers of a polyimide and a protective region wherein the protective region impedes electrochemical reduction of the polyimide inside the electrochemical cell. The present invention is further directed to a multi-layer article and electrochemical cell containing the separator.Type: ApplicationFiled: April 12, 2019Publication date: August 8, 2019Inventors: T. Joseph Dennes, Raymond Adam, Srijanani Bhaskar, Noel Stephen Brabbs, David M. Groski, Eric Huebsch, Charles E. Jackson, JR., Stephen Mazur, Peiwen Zheng
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Patent number: 10323102Abstract: 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: April 5, 2018Date of Patent: June 18, 2019Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: T. Joseph Dennes, Andrea M. Perticone, Jayme L. Paullin
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Publication number: 20190144795Abstract: Compositions comprising cellulase and at least one poly alpha-1,3-glucan ether compound having a degree of substitution with an organic group of about 0.05-3.0 are disclosed. Such compositions can be dry or aqueous, the latter of which can have a viscosity of at least about 10 cPs. The disclosed composition can be in the form of a personal care product, household product, or industrial product, for example. Also disclosed are a method for preparing an aqueous composition comprising cellulase and a poly alpha-1,3-glucan ether compound, and a method of treating a material such as fabric by contacting it with this aqueous composition.Type: ApplicationFiled: January 15, 2019Publication date: May 16, 2019Inventors: Kevin D. Nagy, Perry G. Caimi, T. Joseph Dennes, Susan Marie Hennessey, Ayrookaran J. Poulose, Jayme L. Paullin
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Patent number: 10260053Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.Type: GrantFiled: March 23, 2018Date of Patent: April 16, 2019Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Jayme L. Paullin, Mark S. Payne, T. Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas H Scholz
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Patent number: 10221378Abstract: Compositions comprising cellulase and at least one poly alpha-1,3-glucan ether compound having a degree of substitution with an organic group of about 0.05-3.0 are disclosed. Such compositions can be dry or aqueous, the latter of which can have a viscosity of at least about 10 cPs. The disclosed composition can be in the form of a personal care product, household product, or industrial product, for example. Also disclosed are a method for preparing an aqueous composition comprising cellulase and a poly alpha-1,3-glucan ether compound, and a method of treating a material such as fabric by contacting it with this aqueous composition.Type: GrantFiled: August 17, 2017Date of Patent: March 5, 2019Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Kevin D Nagy, Perry G Caimi, T Joseph Dennes, Susan Marie Hennessey, Ayrookaran J. Poulose, Jayme L Paullin
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Patent number: 10190079Abstract: Compositions comprising cellulase and at least one poly alpha-1,3-glucan ether compound having a degree of substitution with a positively charged organic group of about 0.05-3.0 are disclosed. Such compositions can be dry or aqueous, the latter of which can have a viscosity of at least about 10 cPs. The disclosed composition can be in the form of a personal care product, household product, or industrial product, for example. Also disclosed are a method for preparing an aqueous composition comprising cellulase and a poly alpha-1,3-glucan ether compound, and a method of treating a material such as fabric by contacting it with this aqueous composition.Type: GrantFiled: June 30, 2017Date of Patent: January 29, 2019Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Kevin D. Nagy, Ayrookaran J. Poulose, T. Joseph Dennes, Perry G. Caimi, Jayme L. Paullin, Susan Marie Hennessey
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Patent number: 10106626Abstract: The present invention is directed toward a process for making poly alpha-1,3-glucan formate films. These films are translucent or transparent and can be used in packaging applications.Type: GrantFiled: January 15, 2015Date of Patent: October 23, 2018Assignee: EI DU PONT DE NEMOURS AND COMPANYInventors: T. Joseph Dennes, Debora Flanagan Massouda, Vindhya Mishra, Andrea M. Perticone
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Patent number: 10072100Abstract: Compositions comprising oxidized poly alpha-1,3-glucan compounds are disclosed herein. Oxidized poly alpha-1,3-glucan compounds are produced by contacting poly alpha-1,3-glucan under aqueous conditions with at least one N-oxoammonium salt.Type: GrantFiled: June 1, 2017Date of Patent: September 11, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Rakesh Nambiar, Jayme L Paullin, Andrea M Perticone, T Joseph Dennes
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Patent number: 10059778Abstract: The present invention is directed toward a process for making a poly alpha-1,3-glucan film. These films can be transparent or translucent and used in packaging applications.Type: GrantFiled: January 5, 2015Date of Patent: August 28, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Vindhya Mishra, T Joseph Dennes
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Patent number: 10005850Abstract: 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: December 15, 2014Date of Patent: June 26, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
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Patent number: 9957334Abstract: 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: December 17, 2014Date of Patent: May 1, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: T. Joseph Dennes, Andrea M. Perticone, Jayme L. Paullin
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Patent number: 9926541Abstract: Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.Type: GrantFiled: February 11, 2015Date of Patent: March 27, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Jayme L Paullin, Mark S Payne, T Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas Scholz