Patents by Inventor Yijian Lin

Yijian Lin 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: 20180319962
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, wherein the first ethylene-based polymer component has a density of from 0.940 g/cc to less than 0.960 g/cc, a melt index, I2.16, of less than 0.5 g/10 min, and a weight average molecular weight, Mw,cc, as measured by gel permeation chromatography using conventional calibration, of greater than or equal to 200,000 g/mol, and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 10 g/10 min to 70 g/10 min.
    Type: Application
    Filed: October 27, 2016
    Publication date: November 8, 2018
    Inventors: Yijian Lin, Todd A. Hogan, Ronald P. Markovich
  • Publication number: 20180215121
    Abstract: The present disclosure provides a multilayer film. The multilayer film includes a core component comprising from 10 to 50,000 alternating stripes of a layer A and a layer B. Layer A has a width from 10 ??? to 10 mm and comprises a film material. Layer B has a width from 10 ?m to 10 mm and comprises a transport material. The core component has a CO2 transmission rate (CO2TR) from 50,000 to 300,000 cc-mil/m2/24 hour/atm and water transmission rate (WVTR) from 50 to 500 g-mil/m2/24 hour.
    Type: Application
    Filed: June 29, 2015
    Publication date: August 2, 2018
    Inventors: Patrick Chang Dong Lee, Bruce Menning, Yijian Lin, Robert E. Wrisley, Kurt W. Olson, Joseph Dooley
  • Publication number: 20180134881
    Abstract: The invention provides a composition comprising at least the following: a) a first composition comprising at least one first ethylene-based polymer, formed by high pressure, free-radical polymerization, and wherein the first composition comprises the following properties: a melt index (I2) from 1.0 to 15.0 g/10 min, and density from 0.910 to 0.940 g/cc; b) a second composition comprising at least one second ethylene-based polymer, and wherein the second composition comprises the following properties; a melt index (I2) from 1.0 to 1000 g/10 min, a density greater than 0.940 g/cc; wherein the composition comprises the following properties: melt index (I2) from 2.0 to 20.0 g/10 min, and a density from 0.915 to 0.940 g/cc; and wherein the first composition is present in an amount from 65 to 95 wt %, based on the weight of the composition.
    Type: Application
    Filed: June 30, 2015
    Publication date: May 17, 2018
    Inventors: Mehmet Demirors, Teresa P. Karjala, Yijian Lin, James L. Cooper
  • Publication number: 20170342244
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 30, 2017
    Inventors: Stephanie M. Whited, Mridula Babli Kapur, Yijian Lin
  • Patent number: 9828495
    Abstract: Embodiments of a polyethylene polymer blend having a melt index (I2)<2 g/10 min are provided, wherein the polyethylene polymer blend comprises at least about 50% by wt. of at least one high density polyethylene resin (HDPE) having a density ?0.950 g/cm3, a melt index (I2)<4 g/10 min; a melt flow ratio (I10/I2)?9, and a molecular weight distribution (MWD) of about 2 to about 5; and further comprises about 1% to about 20% by wt. of at least one low density polyethylene resin (LDPE) having a density ?0.930 g/cm3, a melt index (I2) of about 0.1 to about 10 g/min, and an MWD>3.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: November 28, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Mustafa Bilgen, Yijian Lin
  • Publication number: 20170326853
    Abstract: Embodiments disclosed herein include multilayer films having at least an outer layer that includes 1) polyethylene elastomer and 2) ULDPE or VLDPE and that has a purge fraction greater than 20 percent as determined by Crystallization Elution Fractionation (CEF) test method. Embodiments disclosed herein also include related compositions to make such films and methods of making such films. The ULDPE or VLDPE can be made via Ziegler-Natta catalyst reaction techniques to provide the desired purge fraction.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 16, 2017
    Inventors: Jong Young LEE, Yijian Lin, Rajen M. Patel
  • Patent number: 9598212
    Abstract: A method of forming a confined crystallization multilayer film includes coextruding a plurality of first polymer layers and a plurality of second polymer layer to form a multilayer film wherein each first polymer layer is sandwiched between second polymer layers and axially orienting the multilayer film at a temperature below the melting temperature (Tm) of the second polymer layer and to a thickness such that each first polymer layer forms a high aspect ratio substantially crystalline lamellae.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: March 21, 2017
    Assignee: Case Western Reserve University
    Inventors: Anne Hiltner, Eric Baer, Yijian Lin, Joel Carr
  • Publication number: 20170029583
    Abstract: A first oriented film comprising a first polyethylene composition which comprises: from 20 to 50 wt % of a first linear low density polyethylene polymer having a density greater than 0.925 g/cc and an I2 lower than 2 g/10 min; and from 80 to 50 wt % of a second linear low density polyethylene polymer having a density lower than or equal to 0.925 g/cc and an I2 greater than or equal to 2 g/10 min; wherein the first polyethylene composition has an 12 from 0.5 to 10 g/10 min and a density from 0.910 to 0.940 g/cc is provided.
    Type: Application
    Filed: April 9, 2014
    Publication date: February 2, 2017
    Inventors: Yijian Lin, Mehmet Demirors, Jianping Pan, Xiao B. Yun
  • Publication number: 20170021599
    Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin,and two skin layers, wherein the core layer is positioned between the two skin layers,wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.
    Type: Application
    Filed: April 16, 2014
    Publication date: January 26, 2017
    Inventors: Jian-ping Pan, Yijian Lin, Xiao Bing Yun, Mehmet Demirors
  • Publication number: 20160177073
    Abstract: Embodiments of a polyethylene polymer blend having a melt index (I2)<2 g/10 min are provided, wherein the polyethylene polymer blend comprises at least about 50% by wt. of at least one high density polyethylene resin (HDPE) having a density ?0.950 g/cm3, a melt index (I2)<4 g/10 min; a melt flow ratio (I10/I2)?9, and a molecular weight distribution (MWD) of about 2 to about 5; and further comprises about 1% to about 20% by wt. of at least one low density polyethylene resin (LDPE) having a density ?0.930 g/cm3, a melt index (I2) of about 0.1 to about 10 g/min, and an MWD>3.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 23, 2016
    Inventors: Mehmet Demirors, Mustafa Bilgen, Yijian Lin
  • Publication number: 20150284523
    Abstract: The instant invention provides a polyethylene composition suitable for film applications and film made therefrom. The linear low density polyethylene composition suitable for film applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; and less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of from 0.890 to 0.915 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (12) in the range of from 2 to 10 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.
    Type: Application
    Filed: November 19, 2013
    Publication date: October 8, 2015
    Inventors: Mridula Kapur, Jian Wang, Yijian Lin, Troy M. Tambling, Robert N. Reib
  • Publication number: 20150240000
    Abstract: The instant invention provides a polyethylene composition suitable for stretch film applications and, method of producing the same, and cast film made therefrom. The linear low density polyethylene composition suitable for stretch film applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; and less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of from 0.900 to 0.930 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (I2) in the range of from 0.3 to 10 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.
    Type: Application
    Filed: October 1, 2013
    Publication date: August 27, 2015
    Inventors: Jian Wang, Mridula Kapur, Yijian Lin, Lawrence J. Effler, JR., Troy M. Tambling, Robert N. Reib
  • Publication number: 20140327174
    Abstract: A method of forming a confined crystallization multilayer film includes coextruding a plurality of first polymer layers and a plurality of second polymer layer to form a multilayer film wherein each first polymer layer is sandwiched between second polymer layers and axially orienting the multilayer film at a temperature below the melting temperature (Tm) of the second polymer layer and to a thickness such that each first polymer layer forms a high aspect ratio substantially crystalline lamellae.
    Type: Application
    Filed: July 14, 2014
    Publication date: November 6, 2014
    Inventors: Anne Hiltner, Eric Baer, Yijian Lin
  • Patent number: 8778245
    Abstract: A method of forming a confined crystallization multilayer film includes coextruding a plurality of first polymer layers and a plurality of second polymer layer to form a multilayer film wherein each first polymer layer is sandwiched between second polymer layers and axially orienting the multilayer film at a temperature below the melting temperature (Tm) of the second polymer layer and to a thickness such that each first polymer layer forms a high aspect ratio substantially crystalline lamellae.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: July 15, 2014
    Assignee: Case Western Reserve University
    Inventors: Anne Hiltner, Eric Baer, Yijian Lin, Joel Carr
  • Publication number: 20130295364
    Abstract: The present invention provides a film suitable for applications requiring high water vapor transmission rates. The film comprises a polyolefin polymer together with from 1 to 30 percent by weight of the film of a hydrophilic polymer and from 30 to 75 percent by weight of the film of a filler having a hydrophilic surface functionality.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 7, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Jose V. Saavedra, Rajen M. Patel, Jacquelyn A. Degroot, Selim Bensason, Yijian Lin, Pamela Smith