Patents by Inventor Richard T. Chou

Richard T. Chou 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: 20210115239
    Abstract: Provided herein is an encapsulant composition and photovoltaic modules having Anti-PID ability.
    Type: Application
    Filed: March 5, 2019
    Publication date: April 22, 2021
    Applicant: Performance Materials NA, Inc.
    Inventors: Richard T. Chou, Jane Kapur
  • 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: 10569517
    Abstract: Disclosed is a selectively permeable protective structure, a method for providing personal protection from exposure to harmful chemical and biological agents using an article that provides a barrier to such agents and a method for limiting damage to the article due to corrosion or mold growth, comprising wrapping or covering the article in the selectively permeable protective structure. The selectively permeable structure comprises a membrane comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, having a moisture vapor permeation value of at least 200 g-mil/m2/24 h and barrier to liquid water, and optionally a supporting substrate.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 25, 2020
    Assignee: Performance Materials NA, INC.
    Inventor: Richard T Chou
  • Patent number: 10435550
    Abstract: Disclosed is a vapor permeable composition comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site; a short chain polymer having one primary amine active amine site, and comprising propylene oxide, ethylene oxide, or mixture thereof. The composition is useful as a vapor barrier for moisture control of buildings. Also disclosed are articles comprising the vapor permeable composition and methods of their use.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 8, 2019
    Assignee: PERFORMANCE MATERIALS NA, INC.
    Inventors: Richard T Chou, Loic Pierre Rolland
  • Publication number: 20180178496
    Abstract: Disclosed is a selectively permeable protective structure, a method for providing personal protection from exposure to harmful chemical and biological agents using an article that provides a barrier to such agents and a method for limiting damage to the article due to corrosion or mold growth, comprising wrapping or covering the article in the selectively permeable protective structure. The selectively permeable structure comprises a membrane comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, having a moisture vapor permeation value of at least 200 g-mil/m2/24 h and barrier to liquid water, and optionally a supporting substrate.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Inventor: RICHARD T. CHOU
  • 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: 20170282504
    Abstract: Disclosed is a polyamide-ionomer composition suitable for use in a backsheet in a photovoltaic module comprising a polymer component comprising a polyamide and an ionomer comprising a copolymer of ethylene, an alpha, beta-unsaturated C3-C8 carboxylic 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; wherein the combination of pigment and filler comprises 8 to 50 weight % of the composition; and 0 to 5 weight % of weatherability additives.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Inventors: RICHARD T. CHOU, TIMOTHY A. LIBERT, BARRY ALAN MORRIS, BENJAMIN ANDREW SMILLIE, JINGJING XU
  • Publication number: 20170290213
    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: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Inventors: RICHARD T. CHOU, TIMOTHY A. LIBERT, BARRY ALAN MORRIS, BENJAMIN ANDREW SMILLIE, JINGJING XU
  • Patent number: 9777181
    Abstract: Disclosed is an antistatic composition comprising a base resin comprising polyethylene or ethylene copolymers, an ethylene copolymer comprising amine-reactive sites and a polyetheramine and articles thereof. The ethylene copolymer comprising amine-reactive sites and the polyetheramine react to provide a graft copolymer.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 3, 2017
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Richard T Chou
  • Patent number: 9777145
    Abstract: Disclosed are compositions comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, which have a combination of enhanced gas transmission and absorption properties and antifog properties. Films and laminate structures comprising these compositions have excellent gas (e.g. oxygen, water vapor, etc.) absorption and transmission and antifogging properties.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 3, 2017
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Richard T Chou
  • Publication number: 20160303837
    Abstract: Disclosed is a selectively permeable protective structure, a method for providing personal protection from exposure to harmful chemical and biological agents using an article that provides a barrier to such agents and a method for limiting damage to the article due to corrosion or mold growth, comprising wrapping or covering the article in the selectively permeable protective structure. The selectively permeable structure comprises a membrane comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, having a moisture vapor permeation value of at least 200 g-mil/m2/24 h and barrier to liquid water, and optionally a supporting substrate.
    Type: Application
    Filed: December 18, 2014
    Publication date: October 20, 2016
    Inventor: Richard T. Chou
  • Patent number: 9441100
    Abstract: Disclosed are high frequency-active blends comprising (a) ethylene copolymers with polar comonomers such as ethylene/vinyl acetate copolymers, ethylene/alkyl (meth)acrylate copolymers and ethylene/(meth)acrylate/carbon monoxide terpolymers; (b) copolymers of ethylene and maleic anhydride or its functional equivalents and (c) a short chain polymer containing one primary amine, the remainder comprising propylene oxide, ethylene oxide, or mixture thereof; and films, powders, multilayer structures, and articles prepared therefrom.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: September 13, 2016
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Richard T Chou
  • Publication number: 20150311368
    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: Application
    Filed: April 29, 2015
    Publication date: October 29, 2015
    Inventors: TIMOTHY A. LIBERT, JINGJING XU, BARRY ALAN MORRIS, BENJAMIN ANDREW SMILLIE, RICHARD T. CHOU
  • Publication number: 20150311370
    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: Application
    Filed: April 29, 2015
    Publication date: October 29, 2015
    Inventors: RICHARD T CHOU, TIMOTHY A. LIBERT, BARRY ALAN MORRIS, BENJAMIN ANDREW SMILLIE, JINGJING XU
  • Publication number: 20150311369
    Abstract: Disclosed is a polyamide-ionomer composition suitable for use in a backsheet in a photovoltaic module comprising a polymer component comprising a polyamide and an ionomer comprising a copolymer of ethylene, an alpha, beta-unsaturated C3-C8 carboxylic 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; wherein the combination of pigment and filler comprises 8 to 50 weight % of the composition; and 0 to 5 weight % of weatherability additives.
    Type: Application
    Filed: April 29, 2015
    Publication date: October 29, 2015
    Inventors: RICHARD T. CHOU, TIMOTHY A. LIBERT, BARRY ALAN MORRIS, BENJAMIN ANDREW SMILLIE, JINGJING XU
  • Publication number: 20150175788
    Abstract: Disclosed are high frequency-active blends comprising (a) ethylene copolymers with polar comonomers such as ethylene/vinyl acetate copolymers, ethylene/alkyl (meth)acrylate copolymers and ethylene/(meth)acrylate/carbon monoxide terpolymers; (b) copolymers of ethylene and maleic anhydride or its functional equivalents and (c) a short chain polymer containing one primary amine, the remainder comprising propylene oxide, ethylene oxide, or mixture thereof; and films, powders, multilayer structures, and articles prepared therefrom.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventor: RICHARD T CHOU
  • Publication number: 20150179315
    Abstract: Disclosed is an antistatic composition comprising a base resin comprising polyethylene or ethylene copolymers, an ethylene copolymer comprising amine-reactive sites and a polyetheramine and articles thereof. The ethylene copolymer comprising amine-reactive sites and the polyetheramine react to provide a graft copolymer.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventor: RICHARD T. CHOU
  • Publication number: 20150175796
    Abstract: Disclosed are compositions comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined witha short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, which have a combination of enhanced gas transmission and absorption properties and antifog properties. Films and laminate structures comprising these compositions have excellent gas (e.g. oxygen, water vapor, etc.) absorption and transmission and antifogging properties.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventor: Richard T. Chou
  • Publication number: 20150175792
    Abstract: Disclosed is a vapor permeable composition comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site; a short chain polymer having one primary amine active amine site, and comprising propylene oxide, ethylene oxide, or mixture thereof. The composition is useful as a vapor barrier for moisture control of buildings. Also disclosed are articles comprising the vapor permeable composition and methods of their use.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventors: RICHARD T. CHOU, LOIC PIERRE ROLLAND
  • Patent number: 8906479
    Abstract: Disclosed is a shaped article comprising a composition comprising polyamide and ionomer wherein the ionomer comprises a mixture of Zn and alkali metal (M2) cations wherein the Zn/M2 equivalent ratio is from about 0.6 to about 6. The articles prepared from the compositions with mixed ion ionomers exhibit high stiffness, hardness and toughness, good scratch resistance, desirable low melt viscosity and high processability.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: December 9, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard T. Chou, Herbert Vernon Bendler, Karlheinz Hausmann