Patents by Inventor Lisa S. Madenjian

Lisa S. Madenjian 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: 20240092952
    Abstract: Processes of polymerizing olefin monomers.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 21, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: David M. Pearson, Yi Jin, Alfred E. Vigil, JR., Brian M. Habersberger, Lisa S. Madenjian, Harold W. Boone
  • Publication number: 20230203291
    Abstract: Embodiments are directed to polymer compositions and foams including polymer compositions. Embodiments of the polymer composition may include at least 55 wt. %, based on the total weight of the polymer composition, of a polyolefin elastomer having an ethylene content of from greater than 50 wt. % to less than 80 wt. % and a cross-linkable blend comprising: (i) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an E/X/Y polymer and (ii) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an epoxycontaining polymer.
    Type: Application
    Filed: April 5, 2021
    Publication date: June 29, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Xian Jiang, Lisa S. Madenjian, Jozef J.I. Van Dun, James R. de Garavilla
  • Patent number: 11613634
    Abstract: An encapsulant film is made from a composition comprising (A) a non-polar ethylene-based polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a compound of Structure I wherein R1-R6 each is independently selected from the group consisting of hydrogen, a C1-C8 hydrocarbyl group, a C1-C36 substituted hydrocarbyl group, and combinations thereof.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: March 28, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Hong Yang, Weiming Ma, Yonghua Gong, Lisa S. Madenjian, Yabin Sun, Yuyan Li, Brian M. Habersberger
  • Publication number: 20220389138
    Abstract: A process to prepare an alpha composition comprising a first ethylene/alpha-olefin/interpolymer fraction and a second ethylene/alpha-olefin/interpolymer fraction; said process comprising polymerizing, in one reactor, a reaction mixture, comprising ethylene and an alpha-olefin, a biphenyl phenol metal complex selected from Structure 1, as described herein, and a biphenyl phenol metal complex selected from Structure 2, as described herein; and alpha compositions prepared therefrom.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 8, 2022
    Inventors: Johnathan E. DeLorbe, Daniela Ferrari, Thomas Wesley Karjala, Jr., Sylvie Vervoort, Jeffrey C. Munro, Lisa S. Madenjian
  • Publication number: 20220056252
    Abstract: Foam compositions comprise at least an ethylene/?-olefin interpolymer. The ethylene/?-olefin interpolymers of the present disclosure are multi-block copolymers comprising at least one soft block and at least one hard block. The foam compositions can further comprise a blowing agent and a cross-linking agent. Methods of making the foam compositions and foamed articles made from the foam compositions are also described.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Kyle G. Kummer, Jeffrey C. Munro, Lisa S. Madenjian
  • Patent number: 11230641
    Abstract: Disclosed herein is a film comprising a polymer blend, the polymer blend comprising a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C. Disclosed herein too is a method of manufacturing a film comprising blending a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole to form a polymer blend; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C.; and forming the polymer blend into a film.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: January 25, 2022
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Jacquelyn A. Degroot, Thor E. Gardarsson, Lisa S. Madenjian
  • Publication number: 20210155781
    Abstract: An encapsulant film is made from a composition comprising (A) a non-polar ethylene-based polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a compound of Structure I wherein R1-R6 each is independently selected from the group consisting of hydrogen, a C1-C8 hydrocarbyl group, a C1-C36 substituted hydrocarbyl group, and combinations thereof.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 27, 2021
    Inventors: Hong Yang, Weiming Ma, Yonghua Gong, Lisa S. Madenjian, Yabin Sun, Yuyan Li, Brian M. Habersberger
  • Patent number: 10913842
    Abstract: A formulation of a poly(propylene-co-ethylene) elastomer copolymer and a poly(ethylene-co-1-octene) block copolymer; a method of making the formulation; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: February 9, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Manish Talreja, Jeffrey M. Cogen, Haiyang Yu, Jeffrey C. Munro, Lisa S. Madenjian, Susan R. Gill
  • Patent number: 10557005
    Abstract: A painted article includes a primer layer between a substrate and a paint layer, of which the substrate is the product of a substrate forming composition including an olefin block copolymer and a polypropylene polymer having a density from 0.89 g/cm3 and 0.92 g/cm3. The substrate is free of (1) phthalate-based plasticizer, (2) halogen-containing polymer, and (3) leachable, small polymeric units derived from styrene monomer.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: February 11, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Tao Han, Jeffrey C. Munro, Lisa S. Madenjian, Hong Yang
  • Publication number: 20190359809
    Abstract: A formulation of a poly(propylene-co-ethylene) elastomer copolymer and a poly(ethylene-co-1-octene) block copolymer; a method of making the formulation; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
    Type: Application
    Filed: September 28, 2016
    Publication date: November 28, 2019
    Inventors: Manish Talreja, Jeffrey M. Cogen, Haiyang Yu, Jeffrey C. Munro, Lisa S. Madenjian, Susan R. Gill
  • Publication number: 20180223092
    Abstract: Disclosed herein is a film comprising a polymer blend, the polymer blend comprising a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C. Disclosed herein too is a method of manufacturing a film comprising blending a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole to form a polymer blend; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C.; and forming the polymer blend into a film.
    Type: Application
    Filed: July 21, 2016
    Publication date: August 9, 2018
    Inventors: Jacquelyn A. Degroot, Thor E. Gardarsson, Lisa S. Madenjian
  • Patent number: 9975982
    Abstract: The present disclosure provides a food contact article. The food contact article includes a polymeric composition composed of a neat olefin block copolymer. The food contact article exhibits a total color change value, ?E, of less than 20. The polymeric composition provides an article that is suitable for food contact application, the article having softness and stain resistance.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: May 22, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Ashish Batra, Raymond L. Laakso, Jr., Lisa S. Madenjian
  • Publication number: 20170121478
    Abstract: A painted article includes a primer layer between a substrate and a paint layer, of which the substrate is the product of a substrate forming composition including an olefin block copolymer and a polypropylene polymer having a density from 0.89 g/cm3 and 0.92 g/cm3. The substrate is free of (1) phthalate-based plasticizer, (2) halogen-containing polymer, and (3) leachable, small polymeric units derived from styrene monomer.
    Type: Application
    Filed: June 23, 2014
    Publication date: May 4, 2017
    Inventors: Tao T. Han, Jeffrey C. Munro, Lisa S. Madenjian, Hong Yang
  • Publication number: 20150158965
    Abstract: The present disclosure provides a food contact article. The food contact article includes a polymeric composition composed of a neat olefin block copolymer. The food contact article exhibits a total color change value, ?E, of less than 20. The polymeric composition provides an article that is suitable for food contact application, the article having softness and stain resistance.
    Type: Application
    Filed: June 21, 2013
    Publication date: June 11, 2015
    Inventors: Ashish Batra, Raymond L. Laakso, JR., Lisa S. Madenjian
  • Publication number: 20150010765
    Abstract: Disclosed are olefin block copolymer formulations comprising polyethylene and polypropylene that provide improved adhesion properties to polypropylene while maintaining desired flexural modulus characteristics and are particularly suited for overmolded goods.
    Type: Application
    Filed: February 25, 2013
    Publication date: January 8, 2015
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Jeffrey C. Munro, Raymond L. Laakso, JR., Lisa S. Madenjian
  • Patent number: 8420760
    Abstract: Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt %) units derived from propylene, and (B) between greater than zero and 40 wt % units derived from ethylene, the propylene interpolyrner further characterized by at least one of the following properties: (1) a ratio of less than 1 measured at interpolyraer number average molecular weight (Mn), (2) a relative compositional drift of less than 50%, arid (3) propylene chain segments having a chain isotacticity triad index of at least 70 mole percent.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: April 16, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Morgan M. Hughes, Patricia Ansems, Carl N. Iverson, Lisa S. Madenjian, Daniel D. VanderLende
  • Publication number: 20100285253
    Abstract: Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt %) units derived from propylene, and (B) between greater than zero and 40 wt % units derived from ethylene, the propylene interpolyrner further characterized by at least one of the following properties: (1) a ratio of less than 1 measured at interpolyraer number average molecular weight (Mn), (2) a relative compositional drift of less than 50%, arid (3) propylene chain segments having a chain isotacticity triad index of at least 70 mole percent.
    Type: Application
    Filed: November 6, 2008
    Publication date: November 11, 2010
    Inventors: Morgan M. Hughes, Patricia Ansems, Carl N. Iverson, Lisa S. Madenjian, Daniel D. VanderLende
  • Patent number: 6841620
    Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: January 11, 2005
    Assignee: Dow Global Technologies Inc.
    Inventors: Patricia Ansems, H. Craig Silvis, Lisa S. Madenjian
  • Patent number: 6593005
    Abstract: The present invention includes a coextruded film having at least two layers. The first layer contains a coupled propylene polymer and the second layer contains an in-reactor blend of a linear low density polyethylene fraction and a substantially linear polyethylene fraction. Alternatively, the second layer may include a homogeneously branched linear polyethylene. Preferably, the first layer makes up about 50 weight percent or less of the overall coextruded film structure. The first layer may also contain a polyethylene, such as a linear low density polyethylene, a low density polyethylene, a high density polyethylene, substantially linear polyethylene, a homogeneously branched linear polyethylene, an in-reactor blend of linear low density polyethylene and a substantially linear polyethyelene, and blends thereof.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: July 15, 2003
    Assignee: Dow Global Technologies Inc.
    Inventors: Li-Min Tau, Lisa S. Madenjian, Johan A. Thoen, Wendy D. Hoenig, Pak-Wing S. Chum, John Kaarto, Daniel J. Falla
  • Publication number: 20030092840
    Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.
    Type: Application
    Filed: October 25, 2002
    Publication date: May 15, 2003
    Inventors: Patricia Ansems, H. Craig Silvis, Lisa S. Madenjian