Patents by Inventor JAYME L. PAULLIN

JAYME L. PAULLIN 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).

  • Publication number: 20210071217
    Abstract: Compositions are disclosed herein comprising at least one dextran ether compound that comprises uncharged, anionic, and/or cationic organic groups. The degree of substitution of one or more dextran ether compounds is about 0.0025 to about 3.0. Dextran from which the disclosed ether compounds can be derived can have a weight-average molecular weight of about 50-200 million Daltons and/or a z-average radius of gyration of about 200-280 nm. Also disclosed are methods of producing dextran ether compounds, as well as methods of using these ether compounds in various applications.
    Type: Application
    Filed: April 23, 2020
    Publication date: March 11, 2021
    Inventors: JAYME L. PAULLIN, RAKESH NAMBIAR
  • Patent number: 10876074
    Abstract: 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: Grant
    Filed: November 7, 2016
    Date of Patent: December 29, 2020
    Assignee: DuPont Industrial Biosciences USA, LLC
    Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S Payne, Jahnavi Chandra Prasad, Zheng You
  • Patent number: 10865254
    Abstract: 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: Grant
    Filed: June 13, 2018
    Date of Patent: December 15, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Rahul B. Kasat, Jayme L. Paullin, Andrea M. Perticone, T. Joseph Dennes, Rakesh Nambiar, Michael W. Cobb
  • Patent number: 10844324
    Abstract: 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: Grant
    Filed: November 7, 2016
    Date of Patent: November 24, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L Paullin, Mark S Payne, Jahnavi Chandra Prasad, Zheng You
  • Publication number: 20200347152
    Abstract: Poly alpha-1,3-glucan ester compounds are disclosed herein with a degree of substitution of about 0.001 to about 3.0. Also disclosed are methods of producing poly alpha-1,3-glucan ester compounds using cyclic organic anhydrides.
    Type: Application
    Filed: April 2, 2020
    Publication date: November 5, 2020
    Inventors: Jayme L. Paullin, Rakesh Nambiar, Christian Peter Lenges
  • Patent number: 10822574
    Abstract: 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: Grant
    Filed: November 7, 2016
    Date of Patent: November 3, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Robert DiCosimo, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Zheng You
  • Patent number: 10800859
    Abstract: A polymeric blend composition comprising: (a) from about 1 to about 99 wt. % of a polymer; and (b) from about 1 to about 75 wt. % poly alpha-1,3-glucan is disclosed. The addition of alpha-1,3-glucan as a polymer filler can increase the tensile modulus, tensile strength and oxygen barrier properties of the polymeric blend composition.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: October 13, 2020
    Assignee: DuPont Industrial Biosciences USA, LLC
    Inventors: Natnael Behabtu, Sandeep Kumar, Jayme L. Paullin
  • Patent number: 10800860
    Abstract: 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: Grant
    Filed: May 10, 2019
    Date of Patent: October 13, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: T. Joseph Dennes, Andrea M. Perticone, Jayme L. Paullin
  • Patent number: 10793838
    Abstract: 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: Grant
    Filed: April 12, 2019
    Date of Patent: October 6, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Jayme L. Paullin, Mark S. Payne, T. Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas H. Scholz
  • Patent number: 10787524
    Abstract: Compositions comprising oxidized dextran compounds are disclosed herein. Oxidized dextran compounds are produced by contacting dextran under aqueous conditions with at least one N-oxoammonium salt, at least one periodate compound, and/or at least one peroxide compound.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: September 29, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Jayme L. Paullin, Rakesh Nambiar
  • Patent number: 10738266
    Abstract: Polysaccharides can be used to provide a liquid composition with desirable rheological properties while being compatible with other ingredients, such as enzymes, that may be used in formulating the liquid composition. The polysaccharides can be i) a colloidal dispersion of poly alpha-1,3-glucan, ii) poly alpha-1,3-glucan fibrids, iii) soy polysaccharide; or iv) a combination thereof.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: August 11, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Rakesh Nambiar, Jayme L. Paullin, Ji Yeon Huh, Natnael Behabtu
  • Patent number: 10633683
    Abstract: Compositions are disclosed herein comprising at least one dextran ether compound that comprises uncharged, anionic, and/or cationic organic groups. The degree of substitution of one or more dextran ether compounds is about 0.0025 to about 3.0. Dextran from which the disclosed ether compounds can be derived can have a weight-average molecular weight of about 50-200 million Daltons and/or a z-average radius of gyration of about 200-280 nm. Also disclosed are methods of producing dextran ether compounds, as well as methods of using these ether compounds in various applications.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: April 28, 2020
    Assignee: DUPONT INDUSTRIAL BIOSCIENCES USA, LLC
    Inventors: Jayme L. Paullin, Rakesh Nambiar
  • Publication number: 20190390138
    Abstract: The disclosure relates to products including a polysaccharide derivative wherein the polysaccharide derivative includes a polysaccharide substituted with at least one of: a) at least one sulfate group; b) at least one sulfonate group; c) at least one thiosulfate group; or d) a combination thereof; wherein the polysaccharide is poly alpha-1,3-glucan, poly alpha-1,6-glucan, poly alpha-1,3-1,6-glucan, or a mixture thereof; and the polysaccharide derivative has a degree of substitution of about 0.001 to about 3. The products can be useful as anti-deposition and/or anti-graying agents in laundry detergents, and in home care applications.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Inventors: Mark Robert SIVIK, Zhengzheng HUANG, Helen S.M. LU, Rakesh NAMBIAR, Jayme L. PAULLIN
  • Patent number: 10479841
    Abstract: Compositions comprising oxidized soy polysaccharide compounds are disclosed herein. Oxidized soy polysaccharide compounds are produced by contacting soy polysaccharide under aqueous conditions with at least one N-oxoammonium salt, periodate compound, and/or peroxide compound.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: November 19, 2019
    Inventors: Jayme L. Paullin, Rakesh Nambiar, Tam H. Tran, Brian C. Pierce
  • Publication number: 20190345266
    Abstract: 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: Application
    Filed: May 10, 2019
    Publication date: November 14, 2019
    Inventors: T. JOSEPH DENNES, Andrea M. Perticone, Jayme L. Paullin
  • Publication number: 20190322963
    Abstract: 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: Application
    Filed: May 20, 2019
    Publication date: October 24, 2019
    Inventors: ROBERT DICOSIMO, Qiong Cheng, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Jahnavi Chandra Prasad, Zheng You
  • Publication number: 20190270973
    Abstract: 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: Application
    Filed: April 12, 2019
    Publication date: September 5, 2019
    Inventors: Jayme L. Paullin, Mark S. Payne, T. Joseph Dennes, Yefim Brun, Rakesh Nambiar, Thomas H. Scholz
  • Patent number: 10323102
    Abstract: 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: Grant
    Filed: April 5, 2018
    Date of Patent: June 18, 2019
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: T. Joseph Dennes, Andrea M. Perticone, Jayme L. Paullin
  • Publication number: 20190144795
    Abstract: 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: Application
    Filed: January 15, 2019
    Publication date: May 16, 2019
    Inventors: Kevin D. Nagy, Perry G. Caimi, T. Joseph Dennes, Susan Marie Hennessey, Ayrookaran J. Poulose, Jayme L. Paullin
  • Publication number: 20190136153
    Abstract: 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: Application
    Filed: November 7, 2016
    Publication date: May 9, 2019
    Inventors: Robert DiCosimo, CHENG Qiong, Rakesh Nambiar, Jayme L. Paullin, Mark S. Payne, Zheng You