Patents by Inventor Pang-Chia Lu

Pang-Chia Lu 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: 9724901
    Abstract: Embodiments provide extruded oriented low density polyethylene (LDPE) films. Embodiments provide methods for making extruded oriented low density polyethylene (LDPE) films. Embodiments provide resin compositions for extruded oriented low density polyethylene (LDPE) films.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: August 8, 2017
    Assignee: Jindal Films Europe Virton SPRL
    Inventor: Pang-Chia Lu
  • Publication number: 20150258756
    Abstract: Embodiments provide extruded oriented low density polyethylene (LDPE) films. Embodiments provide methods for making extruded oriented low density polyethylene (LDPE) films. Embodiments provide resin compositions for extruded oriented low density polyethylene (LDPE) films.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 17, 2015
    Inventor: Pang-Chia Lu
  • Patent number: 9067391
    Abstract: Methods for producing a coated biaxially oriented film and films made therefrom. An illustrative method can include orienting a base film in a first direction to provide an uniaxially oriented film; coating at least a portion of the uniaxially oriented film with a polyolefin dispersion to produce a coated uniaxially oriented film; and orienting the coated uniaxially oriented film in a second direction at a temperature sufficient to stretch and anneal the coated film to provide a coated biaxially oriented film having greater than 80% gloss.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: June 30, 2015
    Inventors: Pang-Chia Lu, Brad M. Moncla, Matthew J. Kalinowski
  • Patent number: 8920914
    Abstract: Described is a film, a method of making the film, and a method of packaging articles with the film, the film oriented in at least one direction, and comprising a core layer comprising polypropylene comprising from 0 wt % to 2 wt % comonomer-derived units, from 1 wt % to 20 wt %, by weight of the core layer, of propylene-?-olefin elastomer, and from 1 wt % to 20 wt %, by weight of the core layer, of hydrocarbon resin possessing a softening point of from greater than 100° C.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: December 30, 2014
    Assignee: Jindal Films Americas LLC
    Inventor: Pang-Chia Lu
  • Patent number: 8906510
    Abstract: This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: December 9, 2014
  • Patent number: 8871353
    Abstract: Films including at least one layer of a blend of a cyclic olefin copolymer and a hydrocarbon wax are described. Particularly, films including 75.0 wt % to 99.9 wt % of a copolymer of a cyclic olefin monomer and an acyclic olefin and 0.1 wt % to 25.0 wt % of a hydrocarbon wax are described. Methods of making such films are also disclosed.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: October 28, 2014
    Assignee: Jindal Films Americas, LLC
    Inventor: Pang-Chia Lu
  • Patent number: 8846204
    Abstract: This disclosure relates to a laminate film that includes an oriented, polymeric film and a polyolefinic substrate. The oriented, polymeric film includes about 60.0 to about 95.0 wt % of a first polymer and about 5.0 to about 40.0 wt % of a propylene-based elastomer. The polyolefinic substrate is laminated to the first surface of the first surface layer.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: September 30, 2014
    Assignee: ExxonMobil Oil Corporation
    Inventors: Pang-Chia Lu, George F. Cretekos
  • Publication number: 20140159277
    Abstract: A multilayer heat shrink film including a core layer including one or more alpha-olefin polymer and at least one skin layer including one or more cyclic olefin copolymers (COC), process for its preparation and uses thereof.
    Type: Application
    Filed: February 11, 2014
    Publication date: June 12, 2014
    Applicant: Jindal Films Americas LLC
    Inventors: Benoit Ambroise, Pang-Chia Lu
  • Patent number: 8747969
    Abstract: Provided are coated films suitable for inkjet printing applications using UV-curable inkjet ink. The films are coated with cationically stabilizable emulsion polymers. The emulsion polymers contain cationically stabilizable amino-functional polymers. Also provided is a method of printing with a UV-inkjet printer comprising jetting UV-curable inkjet ink onto the coated film substrate to form an ink printed image.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: June 10, 2014
    Assignee: Jindal Films Americas LLC
    Inventor: Pang-Chia Lu
  • Patent number: 8557919
    Abstract: Provided are polymeric films that include a polyolefin and at least one cavitating agent including a poly(alkylene terephthalate) of formula (I); wherein n, representing the number of methylene segments in the repeating unit, is 3 or an integer greater than or equal to 5; p, representing the degree of polymerization, is an integer greater than 1. The polymeric film may be an opaque polymeric film. A preferred cavitating agent is poly(trimethylene terephthalate). Also provided are methods for making such polymeric films.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: October 15, 2013
  • Publication number: 20130196166
    Abstract: This disclosure relates to a film that includes a first layer, the first layer includes a) 65.0 to 94.5 wt % of a first polymer; b) 0.5 to 10.0 wt % of a hydrocarbon resin; and c) 5.0 to 25.0 wt % of an elastomeric propylene-ethylene copolymer having an isotactic propylene triad tacticity of from 65 to 95%, a melting point by DSC equal to or less than 110° C., a heat of fusion of from 5.0 to 50.0 J/g, the elastomeric propylene-ethylene copolymer having: (1) propylene-derived units in an amount of at least 75 wt %; (2) ethylene-derived units in an amount of at least 6 wt %; and (3) optionally, 10 wt % or less of diene-derived units.
    Type: Application
    Filed: April 18, 2011
    Publication date: August 1, 2013
    Inventor: Pang Chia Lu
  • Publication number: 20130164550
    Abstract: Films including at least one layer of a blend of a cyclic olefin copolymer and a hydrocarbon wax are described. Particularly, films including 75.0 wt % to 99.9 wt % of a copolymer of a cyclic olefin monomer and an acyclic olefin and 0.1 wt % to 25.0 wt % of a hydrocarbon wax are described. Methods of making such films are also disclosed.
    Type: Application
    Filed: June 6, 2011
    Publication date: June 27, 2013
    Applicant: ExxonMobil Chemical Patents Inc.-Law Technology
    Inventor: Pang Chia Lu
  • Publication number: 20130130047
    Abstract: This disclosure relates to a laminate film that includes an oriented, polymeric film and a polyolefinic substrate. The oriented, polymeric film includes about 60.0 to about 95.0 wt % of a first polymer and about 5.0 to about 40.0 wt % of a propylene-based elastomer. The polyolefinic substrate is laminated to the first surface of the first surface layer.
    Type: Application
    Filed: May 11, 2011
    Publication date: May 23, 2013
    Applicant: EXXONMOBIL OIL CORPORATION
    Inventors: Pang-Chia Lu, George F. Cretekos
  • Publication number: 20130095338
    Abstract: Disclosed is a multi-layer heat shrink film and a method of making the film comprising a core layer comprising at least one ?-olefin copolymer selected from propylene-based elastomers, ethylene plastomers, metallocene catalyzed linear low density polyethylenes, and blends thereof, and an equal or lesser amount of a polypropylene having a melting point higher than ?-olefin copolymer; at least one skin layer comprising a cyclic olefin copolymer (COC); and at least one tie layer between at least one skin layer and the core layer, the tie layer comprising a material or blend of soft materials having a Hardness (ISO 7619, Type A) of from 45 to 100; and a Tensile Strength (ISO 37) of from 10 MPa to 30 MPa.
    Type: Application
    Filed: September 5, 2012
    Publication date: April 18, 2013
    Inventor: Pang-Chia LU
  • Publication number: 20130089685
    Abstract: Provided is a squeezable oriented polypropylene adhesive film that can be formed into a label comprising at least one core layer sandwiched between at least two skin layers, the layers comprising: a core layer comprising a polypropylene and within the range of from 20 wt % to 50 wt %, by weight of the materials in the core layer, of a propylene-?-olefin elastomer having within the range of from 5 wt % to 25 wt % ?-olefin derived units, by weight of the elastomer; a printable skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the printable skin layer, or an ?-olefin copolymer comprising at least 30 wt % ethylene; and an adhesive-accepting skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the adhesive-accepting skin layer, of a polypropylene.
    Type: Application
    Filed: August 30, 2012
    Publication date: April 11, 2013
    Inventors: Anne P. Campeau, Pang-Chia Lu
  • Publication number: 20130052441
    Abstract: Described is a film, a method of making the film, and a method of packaging articles with the film, the film oriented in at least one direction, and comprising a core layer comprising polypropylene comprising from 0 wt % to 2 wt % comonomer-derived units, from 1 wt % to 20 wt %, by weight of the core layer, of propylene-?-olefin elastomer, and from 1 wt % to 20 wt %, by weight of the core layer, of hydrocarbon resin possessing a softening point of from greater than 100° C.
    Type: Application
    Filed: August 25, 2011
    Publication date: February 28, 2013
    Inventor: Pang-Chia Lu
  • Patent number: 8377845
    Abstract: A composite film useful for image supporting media, including: a first layer containing a thermoplastic polymer and optionally containing a whitening agent; a second layer containing a thermoplastic polymer and a whitening agent; a third layer containing a thermoplastic polymer and a cavitating agent, wherein the third layer is a cavitated layer; optionally a fourth layer containing a thermoplastic polymer and optionally a whitening agent; and optionally a fifth layer containing a thermoplastic polymer and optionally a whitening agent; wherein the second layer is between the first layer and the third layer, the third layer is between the second layer and the optional fourth layer, and the optional fourth layer is between the third layer and the optional fifth layer. Embodiments may have the advantage(s) of improved outer surface characteristics, compressibility, thermal insulation, whiteness, and/or stiffness.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: February 19, 2013
    Assignee: Exxonmobil Oil Corporation
    Inventors: Jeffrey James O'Brien, Robert M. Sheppard, Pang-Chia Lu
  • Publication number: 20130011669
    Abstract: Heat-sealable, oriented, multilayer films including i) a polyolefin core layer; and ii) a heat-sealable layer a blend of 10.0 wt % to 50.0 wt % of a propylene-based elastomer and 50.0 wt % to 90.0 wt % of a propylene-based polymer, wherein the heat-sealable layer includes less than 1.0 wt % ethylene homopolymer or ethylene-based copolymer and wherein the heat-sealable layer has a Haze of ?5.0 and a seal strength of ?2.00×102 g/2.54 cm at 82° C. (180° F.). In particular films, the heat-sealable layer has a Haze of ?5.0 and a seal strength of ?3.00×102 g/2.54 cm at 90° C. (194° F.). Methods of making such multilayer structures and articles made therefrom are also disclosed.
    Type: Application
    Filed: May 31, 2012
    Publication date: January 10, 2013
    Inventors: Pang-Chia LU, George F. Cretekos
  • Publication number: 20120308789
    Abstract: Imageable multilayer films are provided which include at least a core layer comprising a pigment or other colorant, a clear sealant layer, and an image-side tie layer intermediate the core layer and the sealant layer, where the tie layer comprises a cavitating agent. The sealant layer may include a first polymer component having a heat of fusion of less than 75 J/g and a second polymer component. The multilayer film may have a seal strength greater than about 200 g/2.54 cm for a seal formed on a crimp sealer at a temperature of at least 93.3° C. The multilayer film may be biaxially oriented, an image may be effected on the film without the use of inks, and the film may be useful in packaging applications.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 6, 2012
    Inventors: Mark W. Lockhart, David A. Liestman, George F. Cretekos, Pang-Chia Lu
  • Publication number: 20120282476
    Abstract: Embodiments of the invention relate to a metallized, oriented multi-layer polymeric film having a) at least one layer A that includes a first polyolefin composition and b) a metallized layer B having a first side in surface contact with layer A, the metallized layer B includes (i) 50.0 to 99.9 wt % of a second polyolefin composition, and (ii) 0.1 to 50.0 wt % of at least one conductive polymer composition having a volume resistivity of 1.0×105 to 1.0×1012 ohm·cm (?·cm), based on the weight of the layer B. The film also includes a metal layer in surface contact with the metallized layer B. The films may be used as articles, particularly as flexible packaging and labels. Methods for making such films and articles are also described.
    Type: Application
    Filed: March 19, 2012
    Publication date: November 8, 2012
    Inventors: Pang-Chia LU, Rebecca A. LONG