Patents by Inventor Geraldine M. Lenges

Geraldine M. Lenges 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: 20150065589
    Abstract: This invention pertains to compositions and processes suitable for recycling post-consumer carpet tiles that comprise poly(trimethylene terephthalate) fibers and thermoplastic polyolefin backings. The compositions disclosed herein comprise poly(trimethylene terephthalate) and thermoplastic polyolefins, compositions which may or may not be mineral filled. Strong tough articles can be prepared by molding or extrusion of typical commercially available carpet tiles when combined with additional amounts of thermoplastic polyolefin, whether filled or unfilled.
    Type: Application
    Filed: April 19, 2013
    Publication date: March 5, 2015
    Applicant: E I Du Pont de Nemours and Company
    Inventors: Geraldine M. Lenges, Paul A. Colose, II
  • Publication number: 20140349048
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Geraldine M. LENGES, Diego BOERI
  • Patent number: 8835750
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: September 16, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventor: Geraldine M. Lenges
  • Patent number: 8772624
    Abstract: The present invention provides a solar cell module comprising at least one encapsulant layer which has 1) a total thickness of from about 0.1 to about 20 mils and 2) at least one surface layer made of ionomers containing a finite amount of polymerized residues of ?-olefins and from about 18 to about 25 wt % of polymerized residues of ?,?-ethylenically unsaturated carboxylic acids. The present invention also provides a process of manufacturing the solar cell module.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: July 8, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard Allen Hayes, Geraldine M. Lenges, Steven C. Pesek, Sam Louis Samuels, Charles Anthony Smith
  • Patent number: 8338539
    Abstract: The present invention is a film obtained from a blend of chemically distinguishable copolymers, wherein the film has a light transmission of at least 85%, and/or a haze of less than 6%, and wherein the blend comprises a component copolymer has a secant modulus of less than 15,000 when cast independently into a film.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: December 25, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard J. Arhart, Geraldine M. Lenges
  • Patent number: 8212148
    Abstract: An article comprises a plurality of core tubes having coated thereon an insulating wall, a water-blocking layer, a conduit, and an outer jacket. The core tube comprises one or more conductors and is each surrounded by the insulating wall. The core tube can be wrapped with the insulating wall by any means known to one skilled in the art similar to electrical wire making. The insulating wall can be surrounded by the water-blocking layer. The role of the insulating wall is to protect the conductors from external mechanical damage, moisture penetration, and to provide electrical insulation. Such wall can comprise a continuous matrix, generally made of a polymer, optionally containing filler particles that may be inorganic.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: July 3, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Geraldine M. Lenges, David C. Urian
  • Publication number: 20120128924
    Abstract: The present invention relates to recycled poly(trimethylene terephthalate), and products and processes using the recycled poly(trimethylene terephthalate).
    Type: Application
    Filed: May 18, 2011
    Publication date: May 24, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Geraldine M. Lenges, Dennis Gerard Madeleine, Kalika Ranjan Samant
  • Patent number: 8168885
    Abstract: The present invention provides a pre-formed bi-layer thermoplastic film or sheet comprising a first surface layer made of acid copolymers, or ionomers, or combinations thereof and a second surface layer made of ethylene acrylate ester copolymers, a solar cell pre-laminate assembly comprising the same, and a simplified process for manufacturing a solar cell module derived therefrom.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: May 1, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Richard Allen Hayes, Geraldine M. Lenges, Steven C. Pesek
  • Publication number: 20120067420
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Application
    Filed: November 22, 2011
    Publication date: March 22, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Geraldine M. Lenges
  • Patent number: 8080728
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: December 20, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Geraldine M. Lenges
  • Patent number: 7902452
    Abstract: The present invention is photovoltaic (solar) cell module comprising a multilayer laminate ionomer film as an encapsulant layer wherein the laminate has a light transmission of at least 85%, and or a haze of less than 6%, and wherein the laminate has a modulus of less than 15,000 psi.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: March 8, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard J. Arhart, Diego Boeri, Geraldine M. Lenges
  • Patent number: 7851694
    Abstract: A thermoplastic film or sheet having a thickness of about 1 mil (0.026 mm) to about 20 mils (0.51 mm) containing a surface embossed layer comprising a copolymer of alpha olefin(s) with alpha, beta ethylenically unsaturated carboxylic acid comonomer(s), ionomers derived therefrom and combinations thereof useful for making solar cell laminates, wherein the surface is embossed with a pattern which provides channels for de-airing, the channels having depth of about 20 microns or less, a width of about 30 microns to about 300 microns and spaced about 0.1 mm to about 1 mm apart, and use thereof in photovoltaic cells and the manufacture thereof.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: December 14, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jerrel C. Anderson, Richard Allen Hayes, Geraldine M. Lenges, Charles Anthony Smith
  • Patent number: 7847184
    Abstract: The present invention provides a thermoplastic film or sheet comprising two surface layers made of acid copolymers, or ionomers, or combinations thereof and at least one inner layer made of ethylene acrylate ester copolymers, a solar cell module comprising at least one encapsulant layer derived therefrom, and a process of manufacturing the solar cell module.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: December 7, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Allen Hayes, Geraldine M. Lenges, Steven C. Pesek, Jacques Roulin
  • Publication number: 20100044928
    Abstract: Disclosed is a process for injection stretch blow molding a thermoplastic composition comprising, consisting essentially of, or prepared from (a) about 30 to about 99 weight % based on the combination of (a) and (b) of a poly(ethylene terephthalate) homopolymer or copolymer; and (b) about 1 to about 70 weight % based on the combination of (a) and (b) of a poly(trimethylene terephthalate) homopolymer or copolymer, wherein the composition does not contain a crystallization accelerator.
    Type: Application
    Filed: August 22, 2008
    Publication date: February 25, 2010
    Applicant: E. I. du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Geraldine M. Lenges
  • Publication number: 20100044266
    Abstract: Disclosed are molded articles comprising a thermoplastic polymer composition comprising, consisting essentially of, or prepared from (a) about 30% to about 99 weight % based on the combination of (a) and (b) of a poly(ethylene terephthalate) homopolymer or copolymer; and (b) about 1 to about 70% weight % based on the combination of (a) and (b) of a poly(trimethylene terephthalate) homopolymer or copolymer. Specific embodiments include injection-molded preforms and blown bottles.
    Type: Application
    Filed: August 22, 2008
    Publication date: February 25, 2010
    Applicant: E. I. du Pont de Nemours and Company
    Inventors: Geraldine M. Lenges, Joseph V. Kurian
  • 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
  • Publication number: 20090145475
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Application
    Filed: February 4, 2009
    Publication date: June 11, 2009
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Geraldine M. Lenges
  • Publication number: 20080207834
    Abstract: The present invention is a film obtained from a blend of chemically distinguishable copolymers, wherein the film has a light transmission of at least 85%, and/or a haze of less than 6%, and wherein the blend comprises a component copolymer has a secant modulus of less than 15,000 when cast independently into a film.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 28, 2008
    Inventors: Richard J. Arhart, Geraldine M. Lenges
  • Publication number: 20080190481
    Abstract: The present invention provides a pre-formed bi-layer thermoplastic film or sheet comprising a first surface layer made of acid copolymers, or ionomers, or combinations thereof and a second surface layer made of ethylene acrylate ester copolymers, a solar cell pre-laminate assembly comprising the same, and a simplified process for manufacturing a solar cell module derived therefrom.
    Type: Application
    Filed: February 12, 2007
    Publication date: August 14, 2008
    Inventors: Richard Allen Hayes, Geraldine M. Lenges, Steven C. Pesek
  • Patent number: RE45163
    Abstract: The present invention is an optically transparent laminate film comprising: at least three layers of film, wherein at least two of the at least three layers comprise ionomeric films, and wherein the film can be suitable for use in a photovoltaic cell or in packaging.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: September 30, 2014
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Geraldine M Lenges