Patents by Inventor Timothy A. Libert

Timothy A. Libert 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: 20240246325
    Abstract: Laminate coverings having multiple layers with different functionalities for various applications including prosthetic, outdoor furniture and automotive cargo/trunk liner and floor mat applications. In some instances, the laminate coverings may also be used as decorative skins or be used in other applications for its decorative or aesthetic properties, the laminate coverings having improved UV, weatherability, scratch and mar resistance, among other enhancements.
    Type: Application
    Filed: June 16, 2022
    Publication date: July 25, 2024
    Applicant: BIXBY INTERNATIONAL CORPORATION
    Inventors: Marc GAGNON, Timothy A. LIBERT, Rick BASS
  • Patent number: 10597533
    Abstract: Disclosed is a polyamide-ionomer composition suitable for use in a backsheet in a photovoltaic module comprising a polymer component a polyamide and an anhydride ionomer comprising a copolymer of ethylene, an alpha, beta-unsaturated C3-C8 carboxylic acid and an ethylenically unsaturated dicarboxylic acid or derivative thereof selected from the group consisting of maleic acid, fumaric acid, itaconic acid, maleic anhydride, and a C1-C1 alkyl half ester of maleic acid, wherein the carboxylic acid functionalities present are at least partially neutralized to carboxylate salts of one or more alkali metal, transition metal, or alkaline earth metal cations; 0 to 20 weight % of pigment; and 0 to 40 weight % of filler; preferably wherein the combination of pigment and filler comprises 10 to 50 weight % of the composition; and 0 to 5 weight % of weatherability additives.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: March 24, 2020
    Assignee: Performance Materials NA, Inc.
    Inventors: Richard T. Chou, Timothy A. Libert, Barry Alan Morris, Benjamin Andrew Smillie, Jingjing Xu
  • Patent number: 10247522
    Abstract: An unconsolidated impact and penetration resistant laminate comprises a plurality of cross-plied sheets, each cross-plied sheet further comprising (i) first and second layers of fibrous or non-fibrous ultra-high molecular weight polyethylene and (ii) first and second layers of thermoplastic adhesive, each adhesive layer having a basis weight of no greater than 5 gsm, wherein (a) the layers of polyethylene and thermoplastic adhesive alternate within the sheet, (b) at least 50 percent of the polyethylene layers are arranged such that the orientation of the first polyethylene layer is offset with respect to the orientation of the second polyethylene layer, and (c) the plurality of cross-plied sheets form a stack that, when subjected to compaction at a pressure of 255 bar and a temperature of 132 degrees C., will not suffer a pressure loss greater than 8 bar within the first two minutes as measured by Test Method B.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: April 2, 2019
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: James Neal Singletary, Leopoldo Alejandro Carbajal, William George Kampert, Timothy A Libert, Bryan Benedict Sauer, Kenneth C Harding
  • Publication number: 20180245885
    Abstract: An impact penetration resistant laminate comprises a plurality of alternating layers of (i) non-fibrous ultra-high molecular weight polyethylene monolayers and (ii) a thermoplastic adhesive, the adhesive having a basis weight of no greater than 5 gsm and a zero-shear-rate viscosity, determined from an oscillating disc rheometer in a frequency sweep between 0.1 rad/s and 100 rad/s, conducted per ASTM D 4440 at 125° C., and calculated from fitting to a Carrea-Yasuda four parameter model, of at least 1500 Pa-s, wherein (a) at least 90 percent of the monolayers are arranged such that the orientation of one monolayer is offset with respect to the orientation of an adjacent monolayer, and (b) the modulus of elasticity through the thickness of the laminate is at least 3 GPa.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 30, 2018
    Inventors: JAMES NEAL SINGLETARY, Leopoldo Alejandro Carbajal, William George Kampert, Timothy A. Libert, Bryan Benedict Sauer
  • Patent number: 9982967
    Abstract: An impact penetration resistant laminate comprises a plurality of alternating layers of (i) non-fibrous ultra-high molecular weight polyethylene monolayers and (ii) a thermoplastic adhesive, the adhesive having a basis weight of no greater than 5 gsm and a zero-shear-rate viscosity, determined from an oscillating disc rheometer in a frequency sweep between 0.1 rad/s and 100 rad/s, conducted per ASTM D 4440 at 125° C., and calculated from fitting to a Carrea-Yasuda four parameter model, of at least 1500 Pa-s, wherein (a) at least 90 percent of the monolayers are arranged such that the orientation of one monolayer is offset with respect to the orientation of an adjacent monolayer, and (b) the modulus of elasticity through the thickness of the laminate is at least 3 GPa.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 29, 2018
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: James Neal Singletary, Leopoldo Alejandro Carbajal, William George Kampert, Timothy A Libert, Bryan Benedict Sauer
  • Patent number: 9978898
    Abstract: Disclosed are multilayer structures comprising polyamide-ionomer compositions suitable for use in a backsheet in a photovoltaic module comprising a polymer component comprising a polyamide and an ionomer; 0 to 20 weight % of pigment; and 0 to 40 weight % of filler; preferably wherein the combination of pigment and filler comprises 8 to 50 weight % of the composition; and 0 to 5 weight % of weatherability additives.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: May 22, 2018
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Timothy A Libert, Jingjing Xu, Barry Alan Morris, Benjamin Andrew Smillie, Richard T Chou
  • Publication number: 20160265882
    Abstract: An impact penetration resistant laminate comprises a plurality of alternating layers of (i) non-fibrous ultra-high molecular weight polyethylene monolayers and (ii) a thermoplastic adhesive, the adhesive having a basis weight of no greater than 5 gsm and a zero-shear-rate viscosity, determined from an oscillating disc rheometer in a frequency sweep between 0.1 rad/s and 100 rad/s, conducted per ASTM D 4440 at 125° C., and calculated from fitting to a Carrea-Yasuda four parameter model, of at least 1500 Pa-s, wherein (a) at least 90 percent of the monolayers are arranged such that the orientation of one monolayer is offset with respect to the orientation of an adjacent monolayer, and (b) the modulus of elasticity through the thickness of the laminate is at least 3 GPa.
    Type: Application
    Filed: May 12, 2015
    Publication date: September 15, 2016
    Inventors: James Neal SINGLETARY, Leopoldo Alejandro CARBAJAL, William George KAMPERT, Timothy A. LIBERT, Bryan Benedict SAUER
  • Publication number: 20160243790
    Abstract: An unconsolidated impact and penetration resistant laminate comprises a plurality of cross-plied sheets, each cross-plied sheet further comprising (i) first and second layers of fibrous or non-fibrous ultra-high molecular weight polyethylene and (ii) first and second layers of thermoplastic adhesive, each adhesive layer having a basis weight of no greater than 5 gsm, wherein (a) the layers of polyethylene and thermoplastic adhesive alternate within the sheet, (b) at least 50 percent of the polyethylene layers are arranged such that the orientation of the first polyethylene layer is offset with respect to the orientation of the second polyethylene layer, and (c) the plurality of cross-plied sheets form a stack that, when subjected to compaction at a pressure of 255 bar and a temperature of 132 degrees C., will not suffer a pressure loss greater than 8 bar within the first two minutes as measured by Test Method B.
    Type: Application
    Filed: April 20, 2016
    Publication date: August 25, 2016
    Inventors: James Neal Singletary, Leopoldo Alejandro Carbajal, William George Kampert, Timothy A. Libert, Bryan Benedict Sauer, Kenneth C. Harding
  • Patent number: 7635736
    Abstract: The present invention is linear polyethylene composition suitable for use as a heat seal resin, wherein the resin comprises: (a) from about 70 wt % to about 90 wt % of a linear polyethylene having a density of from about 0.88 to about 0.92 g/cm3; (b) from about 0 wt % to about 30 wt % of a copolymer of ethylene and an ?,?-unsaturated carboxylic acid and/or an ionomer thereof; and, (c) from about 2 wt % to about 10 wt % of a tackifier.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: December 22, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Geraldine M. Lenges, Timothy A. Libert
  • Patent number: 7438940
    Abstract: A breathable film involving at least one polymeric layer of 100% neutralized ionomer containing sufficient aliphatic, mono-functional organic acid salt to essentially triple the oxygen transmission value (OTV) and/or at least one polymeric layer of metallocene polyethylene (mPE) optional blended with low density polyethylene and preferably in combination with one or more outer layers of highly neutralized ionomer (e.g., Surlyn®). Such polymeric film and polymeric film structure has sufficient oxygen permeability, water vapor transmission, formability, and structural strength to be useful in wrapping food products requiring breathable films such as case ready meat, fish, sausage, fresh produce, and the like.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: October 21, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Barry Alan Morris, Timothy A. Libert, Julius Uradnisheck
  • Publication number: 20030198715
    Abstract: A breathable film involving at least one polymeric layer of 100% neutralized ionomer containing sufficient aliphatic, mono-functional organic acid salt to essentially triple the oxygen transmission value (OTV) and/or at least one polymeric layer of metallocene polyethylene (mPE) optional blended with low density polyethylene and preferably in combination with one or more outer layers of highly neutralized ionomer (e.g., Surlyn®). Such polymeric film and polymeric film structure has sufficient oxygen permeability, water vapor transmission, formability, and structural strength to be useful in wrapping food products requiring breathable films such as case ready meat, fish, sausage, fresh produce, and the like.
    Type: Application
    Filed: April 16, 2003
    Publication date: October 23, 2003
    Inventors: Barry Alan Morris, Timothy A. Libert, Julius Uradnisheck