Patents by Inventor Gary Wayne Gilbertson

Gary Wayne Gilbertson 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).

  • Patent number: 11746210
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: September 5, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Patent number: 11649336
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: May 16, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan, Jose Carlos Garcia-Garcia
  • Patent number: 11525047
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: December 13, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Publication number: 20220266322
    Abstract: Superabsorbent fiber (SAF) in a feed stream is converted into soluble polymers in an extensional flow device. The total energy used to degrade the SAF into soluble polymers is less than about 50 MJ/kg SAF.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 25, 2022
    Inventors: Juliane KAMPHUS, Bruno Johannes EHRNSPERGER, Arsen Arsenov SIMONYAN, Dimitris Ioannis COLLIAS, John Andrew McDANIEL, Martin Ian JAMES, Gary Wayne GILBERTSON, Jose Carlos GARCIA-GARCIA, Jacqueline Besinaiz THOMAS, Yiping SUN
  • Publication number: 20220267560
    Abstract: Superabsorbent fibers (SAF) in a feed stream is converted into soluble polymers in an extensional flow device. The total energy used to degrade the SAF into soluble polymers is less than about 50 MJ/kg SAF.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 25, 2022
    Inventors: Juliane KAMPHUS, Bruno Johannes EHRNSPERGER, Arsen Arsenov SIMONYAN, Dimitris Ioannis COLLIAS, John Andrew McDANIEL, Martin Ian JAMES, Gary Wayne GILBERTSON, Jacqueline Besinaiz THOMAS, Yiping SUN
  • Publication number: 20220267561
    Abstract: New process for recycling of poly(acrylic acid)-based superabsorbent polymer (SAP) using a synergistic combination of high shear mixing device and oxidative degradation of SAP to produce poly(acrylic acid) (PAA) useful to recycle pre- and post-consumer SAP.
    Type: Application
    Filed: February 23, 2022
    Publication date: August 25, 2022
    Inventors: Dimitris Ioannis Collias, Gary Wayne Gilbertson, Martin Ian James, Morgan Christine McGrath, Raul Victorino Nunes, Heitham Darrell Safi, Arsen Arsenov Simonyan, John Christopher Wesner
  • Publication number: 20220267558
    Abstract: Superabsorbent fibers (SAF) in a feed stream is converted with UV irradiation into soluble polymers in a flow system. The UV total energy used to convert SAF into soluble polymers is less than about 50 MJ/kg SAF.
    Type: Application
    Filed: February 3, 2022
    Publication date: August 25, 2022
    Inventors: Juliane KAMPHUS, Bruno Johannes EHRNSPERGER, Arsen Arsenov Simonyan, Dimitris Ioannis COLLIAS, John Andrew McDaniel, Martin Ian James, Gary Wayne Gilbertson, Jacqueline Besinaiz Thomas, Yiping Sun
  • Patent number: 11396587
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) and H2O2 in a feed is converted with microwave (MW) irradiation into poly(acrylic acid) (PAA) in the product. The MW total energy used to convert SAP into PAA is less than 50 MJ/kg SAP.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: July 26, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Mark Monroe Banaszak Holl, Akshat Tanksale, Teck Wei Ching, Jing Zhang, Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Patent number: 11364156
    Abstract: An absorbent article that can be a sanitary napkin. The absorbent article comprises a topsheet joined to a backsheet and has an absorbent core material disposed therebetween, the absorbent core material being a fibrous absorbent material exhibiting on one side thereof discrete raised portions. The raised portions define a continuous network of channels, the channels defining a void region adjacent the topsheet of the sanitary napkin.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: June 21, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jean Jianqun Zhao, John Richard Noel, Karen Denise McAffry, Gary Wayne Gilbertson, Brian Francis Gray, Kelyn Anne Arora
  • Publication number: 20220118423
    Abstract: A method of making superabsorbent polymer material and comprising the step of providing soluble polyacrylic acid polymers. The soluble polyacrylic acid polymers have a molar percent of carbon-to-carbon double bonds of at least 0.03. The soluble polyacrylic acid polymers may be obtained from pre-existing recycled post-consumer superabsorbent polymer material, and/or from pre-existing recycled post-industrial superabsorbent polymer material. Superabsorbent polymer material obtained by the method, and absorbent articles comprising these materials are also provided.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 21, 2022
    Inventors: Arsen Arsenov SIMONYAN, Natasa DIJAKOV, Dimitris Ioannis COLLIAS, Martin Ian JAMES, Yiping SUN, Jonathan Richard STONEHOUSE, Jacqueline Besinaiz THOMAS, Gary Wayne GILBERTSON
  • Publication number: 20210388172
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan, Jose Carlos Garcia-Garcia
  • Publication number: 20210388173
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Patent number: 11154839
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted with UV irradiation into poly(acrylic acid) (PAA) in a flow system. The UV total energy used to convert SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: October 26, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Publication number: 20210316919
    Abstract: Sachets composed of metal barrier layers that can include both a sealant and an external protective coating material. The sealant provides heat sealing, and product formulation protection properties, while the barrier material functions to reduce the moisture vapor transmission rate (MVTR) into or out of the sachet.
    Type: Application
    Filed: February 23, 2021
    Publication date: October 14, 2021
    Inventors: Martin Ian James, Gary Wayne Gilbertson, John Moncrief Layman, Susan Nicole Lloyd, Emily Charlotte Boswell, Patti Jean Kellett, Stefano Bartolucci
  • Patent number: 10975230
    Abstract: A film layer having a micro-textured surface is provided. The film layer has a continuous phase with one or more thermoplastic polymers, wherein at least one of the thermoplastic polymers is a low-modulus polymer having a 2% secant modulus of less than or equal to 140 MPa, and the film has from 10 wt % to 100 wt % of the low modulus thermoplastic polymer. The film layer also has a discrete phase with from 5 wt % to 45 wt % of a thermoplastic starch.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 13, 2021
    Assignee: The Procter & Gamble Company
    Inventors: Norman Scott Broyles, April Renae Brown, Arman Ashraf, Gary Wayne Gilbertson, Jeffrey Thomas Grothaus
  • Publication number: 20210053028
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted with UV irradiation into poly(acrylic acid) (PAA) in a flow system. The UV total energy used to convert SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 25, 2021
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Publication number: 20210054163
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Publication number: 20210054164
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) and H2O2 in a feed is converted with microwave (MW) irradiation into poly(acrylic acid) (PAA) in the product. The MW total energy used to convert SAP into PAA is less than 50 MJ/kg SAP.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Mark Monroe Banaszak Holl, Akshat Tanksale, Teck Wei Ching, Jing Zhang, Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Publication number: 20200368961
    Abstract: A method of integrating a first fibrous web with a second fibrous web, said method comprising the steps of: a. providing a first absorbent fibrous web material; b. providing a topsheet comprising a second fibrous web material; c. providing an integrating means; and d. integrating said first absorbent fibrous web material and said second fibrous web material by processing through said integrating means. The step of integrating said first absorbent fibrous web material and said second fibrous web material comprises inter-entangling fibers from the first absorbent fibrous web and fibers from the second fibrous web.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Inventors: Jean Jianqun ZHAO, John Richard NOEL, Karen Denise MCAFFRY, Gary Wayne GILBERTSON, Brian Francis GRAY, Kelyn Anne ARORA
  • Patent number: 10800140
    Abstract: A multi-layered film comprising at least 3 layers is provided. When a 5 layered film is provided, the film includes a first outer layer having 80% to 100% by weight of one or more polyolefins, a first tie layer having from 5% to 100% by weight of the first tie layer of one or more functionalized polyolefins, a core layer having from 75% to 100% by weight of the core layer of polylactic acid, a second tie layer having from 5% to 100% by weight of second tie layer of one or more functionalized polyolefins, and a second outer layer having from 80% to 100% by weight of the second outer layer of one or more polyolefins, wherein the first tie layer layer is disposed between the first outer layer and the core layer the second tie layer is disposed between the core layer and the second outer layer.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 13, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Norman Scott Broyles, April Renae Brown, Gary Wayne Gilbertson