Patents Assigned to Nova Chemicals Inc.
  • Patent number: 10246839
    Abstract: The present invention generally relates to an apparatus for traffic control and safety. More particularly, the present invention provides a platform adapted to support a flagman and optionally a pole mounted sign to control the flow of traffic near road construction or other similar sites.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: April 2, 2019
    Assignee: NOVA Chemicals Inc.
    Inventors: Robert Doak, Bryan Kirsten
  • Publication number: 20180313045
    Abstract: The present invention generally relates to an apparatus for traffic control and safety. More particularly, the present invention provides a platform adapted to support a flagman and optionally a pole mounted sign to control the flow of traffic near road construction or other similar sites.
    Type: Application
    Filed: June 6, 2018
    Publication date: November 1, 2018
    Applicant: NOVA Chemicals Inc.
    Inventors: Robert Doak, Bryan Kirsten
  • Patent number: 10006177
    Abstract: The present invention generally relates to an apparatus for traffic control and safety. More particularly, the present invention provides a platform adapted to support a flagman and optionally a pole mounted sign to control the flow of traffic near road construction or other similar sites.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: June 26, 2018
    Assignee: NOVA Chemicals Inc.
    Inventors: Robert Doak, Bryan Kirsten
  • Publication number: 20170081813
    Abstract: The present invention generally relates to an apparatus for traffic control and safety. More particularly, the present invention provides a platform adapted to support a flagman and optionally a pole mounted sign to control the flow of traffic near road construction or other similar sites.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 23, 2017
    Applicant: NOVA Chemicals Inc.
    Inventors: Robert Doak, Bryan Kirsten
  • Publication number: 20170001694
    Abstract: A sports board that includes an elongate, water impervious, thermoplastic foam core having an upper surface and an under surface; an upper layer covering at least a portion of the upper surface; and an under layer covering at least a portion of the under surface. The foam core is made of a foamed material having a water absorption (measured according to ASTM C-272) of less than 2 volume percent.
    Type: Application
    Filed: September 8, 2016
    Publication date: January 5, 2017
    Applicants: NOVA Chemicals Inc., INT Softboards Technology, LLC
    Inventors: Louis G. Hayward, Christopher Griffin, Paul E. Arch
  • Publication number: 20140072674
    Abstract: This invention discloses a leak proof disposable container, comprising of a bottom portion composed of expandable thermoplastic resin beads and a lidding film, for containing non-carbonated drinks or food products that do not require heating prior to consumption. The inventive container eliminates the use of polypropylene and polystyrene snap-on lids currently used for cups and containers. The snap-on lid is replaced with a thermoplastic lidding film, a leak proof seal is formed between the lidding film and upper flange of the bottom portion. Replacement of the snap-on lid with lidding film, reduces the weight of the disposable lidding material by 74 percent. Through the appropriate selection of materials, one can produce a leak proof container that is 100 percent recyclable under the #6 PS (polystyrene) symbol.
    Type: Application
    Filed: September 6, 2013
    Publication date: March 13, 2014
    Applicant: NOVA Chemicals Inc.
    Inventors: George Holinda, JR., Todd M. Link, Justin Rubb
  • Patent number: 8476371
    Abstract: Interpolymer resin particles that include from about 20% to about 60% by weight based on the weight of the particles of uncross-linked polyolefin resin particles having a VICAT softening temperature greater than 85° C. and from about 40% to about 80% by weight based on the weight of the interpolymer particles of polymerized vinyl aromatic monomer composition particles that have been polymerized in the uncross-linked polyolefin resin particles to form an interpenetrating network of polyolefin resin particles and polystyrene particles. The interpolymer resin particles have a gel content ranging from about 0 to about 1.5% by weight based on the weight of the interpolymer resin particles, a VICAT softening temperature ranging from about 90° C. to about 115° C., and a melt index value ranging from about 0.2 to about 35.0 g/10 minutes (Condition G).
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: July 2, 2013
    Assignee: NOVA Chemicals Inc.
    Inventor: Steven M. Krupinski
  • Publication number: 20130149922
    Abstract: A sports board that includes an elongate, water impervious, thermoplastic foam core having an upper surface and an under surface; an upper layer covering at least a portion of the upper surface; and an under layer covering at least a portion of the under surface. The foam core is made of a foamed material having a water absorption (measured according to ASTM C-272) of less than 2 volume percent.
    Type: Application
    Filed: February 7, 2013
    Publication date: June 13, 2013
    Applicants: INT SOFTBOARDS TECHNOLOGY, LLC, NOVA CHEMICALS INC.
    Inventors: NOVA Chemicals Inc., INT Softboards Technology, LLC
  • Publication number: 20120309859
    Abstract: Interpolymer resin particles that include from about 20% to about 60% by weight based on the weight of the particles of uncross-linked polyolefin resin particles having a VICAT softening temperature greater than 85° C. and from about 40% to about 80% by weight based on the weight of the interpolymer particles of polymerized vinyl aromatic monomer composition particles that have been polymerized in the uncross-linked polyolefin resin particles to form an interpenetrating network of polyolefin resin particles and polystyrene particles. The interpolymer resin particles have a gel content ranging from about 0 to about 1.5% by weight based on the weight of the interpolymer resin particles, a VICAT softening temperature ranging from about 90° C. to about 115° C., and a melt index value ranging from about 0.2 to about 35.0 g/10 minutes (Condition G).
    Type: Application
    Filed: December 1, 2011
    Publication date: December 6, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventor: Steven M. Krupinski
  • Publication number: 20120217682
    Abstract: Methods of improving the physical properties of a polyolefin film that include providing interpolymer resin particles, forming a blend composition by blending from about 0.1 to about 25% by weight based on the weight of the blend composition of interpolymer resin particles into a second polyolefin; and forming a film from the blend composition. The interpolymer resin particles are made up a styrenic polymer intercalated within a first polyolefin. The first polyolefin is present at from about 20% to about 80% by weight based on the weight of the particles and the styrenic polymer is present at from about 20% to about 80% by weight based on the weight of the particles.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 30, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventors: Eric Vignola, Daniel Purpura, Paul Tas, Jamie Marler
  • Publication number: 20120219813
    Abstract: A film containing a polymer composition that includes from 0.1 to 60% by weight of interpolymer resin particles containing a styrenic polymer intercalated within a first polyolefin and from 40 to 99.9% by weight of at least one second polyolefin. The first polyolefin is present at from 20% to 80% by weight based on the weight of the particles, has a VICAT softening temperature greater than 60° C. and a melt index of from 0.3 to 15 g/10 minutes (Condition I, 190° C., 2.16 kg). The styrenic polymer is present at from 20% to 80% by weight based on the weight of the particles. The interpolymer resin particles have a gel content ranging from 0 to 5% by weight based on the weight of said interpolymer resin particles, a VICAT softening temperature ranging from 85° C. to 115° C., and a melt index value ranging from 0.1 to 6.0 (Condition I).
    Type: Application
    Filed: February 14, 2012
    Publication date: August 30, 2012
    Applicant: NOVA Chemicals Inc.
    Inventors: Eric Vignola, Daniel Purpura, Paul Tas, Jamie Marler
  • Publication number: 20120219776
    Abstract: A multilayer film that includes at least three layers and is made up of a first layer, a second layer and a third layer, where the first layer is in between the second and third layers. The first layer contains a blend of a second polyolefin and interpolymer resin particles that include a styrenic polymer intercalated within a first polyolefin. The second layer directly contacts a surface of the first layer and includes a first thermoplastic resin. The third layer directly contacts a second surface of the first layer and includes a second thermoplastic resin. The first thermoplastic resin and second thermoplastic resin can be the same or different.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 30, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventors: Eric Vignola, Daniel Purpura, Paul Tas, Jamie Marler
  • Publication number: 20120219814
    Abstract: Methods of improving polyethylene stretch film that include providing interpolymer resin particles, forming a polyethylene blend composition by blending from about 0.1 to about 10 percent by weight based on the weight of the blend composition of interpolymer resin particles into one or more polyethylene resins; and forming a film from the polyethylene blend composition. The interpolymer resin particles contain a styrenic polymer intercalated within a first polyolefin, where the first polyolefin is present at from about 20% to about 80% by weight based on the weight of the particles, and the styrenic polymer is present at from about 20% to about 80% by weight based on the weight of the particles.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 30, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventors: Eric Vignola, Daniel Purpura, Paul Tas, Jamie Marler, Shaun Pirtle
  • Patent number: 8221663
    Abstract: A method of making foamed articles that includes providing a copolymer composition, combining the copolymer composition and cellulosic fibers, applying heat, mixing energy and pressure to the copolymer composition and cellulosic fibers mixture to form a foamable mixture, and forming the foamed article by placing the foamable mixture in a molding or extruding operation. The copolymer composition includes a copolymer of 51% to 99.9% of primary monomers, 0.1% to 49% of anhydride containing monomers, and 0% to 25% of other monomers and 0% to 30% of elastomeric polymers. This is combined at 30% to 99.99% copolymer composition with 0.01% to 70% by cellulosic fibers such that the copolymer anhydride groups react with the cellulosic fiber hydroxyl groups to produce a blowing agent byproduct to form a foamable mixture. The foamed article has a density of not more than 1.3 g/cm3.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: July 17, 2012
    Assignees: NOVA Chemicals Inc., University of Maine
    Inventors: Stephen Michalik, Douglas J. Gardner, Christopher H. West, Yousoo Han
  • Patent number: 8188190
    Abstract: A method of modifying the rheology of a thermoplastic resin that includes the steps of providing a thermoplastic resin and blending interpolymer resin particles with the thermoplastic resin. The interpolymer resin contains a styrenic polymer intercalated within a polyolefin, such that the thermoplastic resin is present as a continuous phase and the interpolymer resin is present as a dispersed phase. The method provides a rheology modified thermoplastic resin with improved physical characteristics.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: May 29, 2012
    Assignee: NOVA Chemicals Inc.
    Inventor: Eric Vignola
  • Patent number: 8167998
    Abstract: A lightweight ready-mix concrete composition that contains 8-20 volume percent cement, 11-50 volume percent sand, 10-31 volume percent prepuff particles, 9-40 volume percent coarse aggregate, and 10-22 volume percent water, where the sum of components used does not exceed 100 volume percent;. The prepuff particles have an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.02 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3. The slump value of the composition measured according to ASTM C 143 is from 2 to 8 inches. After the lightweight ready-mix concrete composition is set for 28 days, it has a compressive strength of at least 1400 psi as tested according to ASTM C39.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: May 1, 2012
    Assignee: NOVA Chemicals Inc.
    Inventors: Tricia Ladely (Guevara), Michael T. Williams, Rick Hughes, Michael R. Kelley, John K Madish, Kristen VanBuskirk
  • Patent number: 8114492
    Abstract: Labeled thin-wall containers molded from pre-expanded expandable thermoplastic particles having a label disposed over at least a portion of the outer surface of the container. The particles are coated with a composition that includes at least 2,500 ppm of a salt of a C8 to C32 carboxylic acid based on the weight of the particles. The label has a thickness of from 10 ?m to 1,500 ?m and the sidewall has a thickness of from 0.5 mm to 5 mm. An aqueous beverage at 80° C. does not leak from the container after being left undisturbed for 24 hours and the container has a rim strength of at least 0.54 kg. The containers are made by placing a label against an inner surface of a female portion of a two-part mold; closing the mold to form a mold cavity; filling the mold cavity with the particles; and fusing the particles.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: February 14, 2012
    Assignee: NOVA Chemicals Inc.
    Inventors: Brittney Palmer, Robert Heffern, Dennis H. Piispanen, Jiansheng Tang, Michael T. Williams
  • Publication number: 20120035313
    Abstract: A method of modifying the rheology of a thermoplastic resin that includes the steps of providing a thermoplastic resin and blending interpolymer resin particles with the thermoplastic resin. The interpolymer resin contains a styrenic polymer intercalated within a polyolefin, such that the thermoplastic resin is present as a continuous phase and the interpolymer resin is present as a dispersed phase. The method provides a rheology modified thermoplastic resin with improved physical characteristics.
    Type: Application
    Filed: October 21, 2011
    Publication date: February 9, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventor: Eric Vignola
  • Publication number: 20120021238
    Abstract: A polymer composition that includes from 0.1 to 60 percent by weight of interpolymer resin particles containing a styrenic polymer intercalated within a polyolefin and from 40 to 99.9 percent by weight of at least one second polymer. The polyolefin is present at from 20% to 80% by weight based on the weight of the particles, has a VICAT softening temperature greater than 60° C. and a melt index of from 0.3 to 15 g/10 minutes (190° C./2.16 kg). The styrenic polymer is present at from 20% to 80% by weight based on the weight of the particles. The interpolymer resin particles have a gel content ranging from 0 to 5% by weight based on the weight of said interpolymer resin particles, a VICAT softening temperature ranging from 85° C. to 115° C., and a melt index value ranging from 0.1 to 6.0 (230° C./5.0 kg).
    Type: Application
    Filed: February 24, 2011
    Publication date: January 26, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventors: Steven M. Krupinski, Eric Vignola
  • Patent number: RE43253
    Abstract: A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, road beds and other articles.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: March 20, 2012
    Assignee: NOVA Chemicals Inc.
    Inventors: Tricia Guevara Ladely, Michael T. Williams, David A. Cowan, John K. Madish, Kolapo Adewale, Roger Moore, Mary Margaret Moore, legal representative, Blain Hileman