Patents by Inventor Lance Wang

Lance Wang 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: 20190153202
    Abstract: Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 20 to 65 weight percent of a propylene polymer having from 10-60% crystallinity, 30-60 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition.
    Type: Application
    Filed: November 16, 2018
    Publication date: May 23, 2019
    Inventors: Lichih R. Peng, Jordan Kortmeyer, Lance Wang, Jawed Asrar
  • Publication number: 20190153201
    Abstract: Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 15 to 75 weight percent of a propylene polymer having from 10-60% crystallinity, 30-50 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 23, 2019
    Inventors: Lichih R. Peng, Jordan Kortmeyer, Lance Wang, Jawed Asrar
  • Publication number: 20190136527
    Abstract: A construction product described herein includes a fiber core that includes a plurality of entangled glass fibers. The fiber core also includes a binder that bonds the plurality of entangled glass fibers together and an Aerogel material that is homogenously or uniformly disposed within the fiber core. In some instances, the fiber core includes between 40 and 80 weight percent of the Aerogel material. The construction product has an R-value of at least 6.5 per inch, a flame spread index of no greater than 5, and a smoke development index of no greater than 20 as measured according to the ASTM E-84 tunnel test.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 9, 2019
    Inventors: Guodong Zheng, Luke S Weith, Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20190092917
    Abstract: A polyisocyanurate foam insulation product includes polyisocyanurate foam produced from reacting an isocyanate and a polyol blend having a functionality of at least 2.2. The isocyanate and the polyol blend are reacted so that the polyisocyanurate foam has an isocyanate index equivalent with or greater than 300. The polyisocyanurate foam includes a fire retardant and includes between 0.02 and 0.45 weight percent of a zinc salt compound. The foam insulation board exhibits a flame spread of no greater than 25 and a smoke index of no greater than 50 when exposed to flame conditions in accordance with an ASTM E-84 test.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 28, 2019
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20190091968
    Abstract: A polyisocyanurate foam insulation product is produced from an isocyanate component, a polyol-containing component, and a blowing agent. The polyol-containing component comprises one or more polyols, a fire retardant, and one or more surfactants, and the polyisocyanurate foam insulation product has an R-value per inch of at least 5.7 when measured at 40° F. In some formulations, the polylol-containing component may include a fire retardant, a metallo-organic compound, or combinations thereof. The cell size of the foam may be less than 120 microns. The polyol-containing component may include a mixture of polyols having different functionalities.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 28, 2019
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20190062587
    Abstract: Embodiments may include a coated granule for roofing systems. The coated granule may include an aluminum silicate granule and a coating disposed on the aluminum silicate granule. The coating may include a copolymer and a siloxane-based or a silane-based compound. The copolymer may be a cationic fluorinated (meth)acrylic copolymer. The aluminum silicate granule may have a particle size in a range from 0.2 mm to 2.4 mm. The aluminum silicate granule may have a 65% or greater reflectivity. The coated granule may repel oil and maintain its reflectivity better than with other techniques.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 28, 2019
    Inventors: ChangQing Shen, Joel Hazy, Julian Metz, Lance Wang
  • Patent number: 10118985
    Abstract: Embodiments of the present technology may include an open cell spray polyurethane foam. The foam may include a polymer. The polymer may formed by the polymerization of a reaction product of (1) a saccharide with an epoxide and (2) an isocyanate. The reaction product may have greater than 25 weight percent and less than 99 weight percent of the saccharide. The foam may exhibit a fire retardancy sufficient to pass flame tests in accordance with Appendix X and/or ASTM E-4.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: November 6, 2018
    Assignee: Johns Manville
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Publication number: 20180282998
    Abstract: Embodiments may include an insulated structure. The insulated structure may include a plurality of structural support members coupled together to form a frame. The insulated structure may also include a plurality of first wall boards attached to an exterior side of the frame to form an exterior wall or surface of the structure. The insulated structure may further include a spray foam insulation positioned within at least one of the wall cavities of the structure. The spray foam insulation may have an insulative R-value greater than or equal to 6.0 per inch at 40° F. The spray foam formulation may be made from a formulation that includes a reaction product of a polyisocyanate compound and a polyol compound and a blowing agent. The blowing agent may include a mixture of n-pentane and isopentane, where the mixture is at least 75% isopentane.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 4, 2018
    Inventors: Lance Wang, Jawed Asrar
  • Publication number: 20180030245
    Abstract: A spray foam formulation used to form a spray foam insulation layer in a wall structure is described. The formulation may include the reaction product of a polyisocyanate compound and a polyol compound; a fire retardant chosen from at least one of a non-halogenated fire retardant; and a reactive halogen-containing fire retardant, and a carbohydrate. The spray foam insulation layer has an insulative R value of 3.0 to 7.2 per inch, and a density of between about 0.3 to about 4.5 pcf. Further, spray foam insulation made from the spray foam formulation may have fire retardant characteristics that are equivalent to or better than a similar spray insulation foam insulation using non-reactive halogenated fire retardants such as tris(1-chloro-2-propyl)phosphate (TCPP).
    Type: Application
    Filed: October 11, 2017
    Publication date: February 1, 2018
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Publication number: 20170362831
    Abstract: A membrane roofing system that includes a waterproof layer that protects an insulation layer and a granule coupled to the waterproof layer. The granule has a 60% or greater reflectivity that reduces transmission of ultraviolet light to the waterproof layer. The granule is coated in a fluorinated acrylic copolymer that resists adsorption and absorption of asphaltic chemicals by the granule from the waterproof layer.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 21, 2017
    Inventors: Lance Wang, Joel Hazy, ChangQing Shen
  • Patent number: 9815256
    Abstract: According to one embodiment, a polyisocyanurate foam board is described. The foam board includes a polyisocyanurate core that is produced from: an isocyanate, a polyol, and a phosphorous containing non-halogenated fire retardant. The foam board also includes a facer material that is applied to at least one surface of the polyisocyanurate core. The polyisocyanurate core has an isocyanate index greater than about 200 and is able to forms a sufficiently stable char when exposed to flame conditions to enable the polyisocyanurate core to pass the ASTM E-84 test. The foam board has an initial R-value of at least 6.40 and exhibits an ASTM E1354-11b test performance that is equivalent with or better than a similar foam board having a halogenated fire retardant, such as tris(2-chloroisopropyl)phosphate (TCPP).
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: November 14, 2017
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Patent number: 9815966
    Abstract: A spray foam formulation used to form a spray foam insulation layer in a wall structure is described. The formulation may include the reaction product of a polyisocyanate compound and a polyol compound; a fire retardant chosen from at least one of a non-halogenated fire retardant; and a reactive halogen-containing fire retardant, and a carbohydrate. The spray foam insulation layer has an insulative R value of 3.0 to 7.2 per inch, and a density of between about 0.3 to about 4.5 pcf. Further, spray foam insulation made from the spray foam formulation may have fire retardant characteristics that are equivalent to or better than a similar spray insulation foam insulation using non-reactive halogenated fire retardants such as tris(1-chloro-2-propyl)phosphate (TCPP).
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: November 14, 2017
    Assignee: Johns Manville
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Patent number: 9739063
    Abstract: According to one embodiment, a halogen free roof system is described. The roof system includes a structural deck that is positioned above joists or other support members. Polyisocyanurate foam insulation is positioned atop the structural deck. The polyisocyanurate foam insulation has an isocyanate index greater than 200 and includes a polyisocyanurate core having a halogen free fire retardant. A water proof membrane is positioned atop the polyisocyanurate foam insulation. The polyisocyanurate core is able to form a sufficiently stable char when exposed to flame conditions such that the polyisocyanurate core is able to pass the ASTM E-84 test.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: August 22, 2017
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Patent number: 9725897
    Abstract: An open cell spray polyurea foam for use in an insulation layer in a wall structure may include a polyurea. The polyurea may be a reaction product of an isocyanate compound and water. The open spray polyurea foam may also include a filler. The majority of the filler may exist in the spray foam formulation as an unreacted first fire retardant. The spray foam formulation may further comprise a second fire retardant, and the insulation layer may exhibit a fire retardancy sufficient to pass Appendix X and/or ASTM E-84.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: August 8, 2017
    Assignee: Johns Manville
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Patent number: 9528269
    Abstract: According to one embodiment, a halogen free roof system is described. The roof system includes a structural deck that is positioned above joists or other support members. Polyisocyanurate foam insulation is positioned atop the structural deck. The polyisocyanurate foam insulation has an isocyanate index greater than 200 and includes a polyisocyanurate core having a halogen free fire retardant. A water proof membrane is positioned atop the polyisocyanurate foam insulation. The polyisocyanurate core is able to form a sufficiently stable char when exposed to flame conditions such that the polyisocyanurate core is able to pass the ASTM E-84 test.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: December 27, 2016
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Patent number: 9523195
    Abstract: According to one embodiment, a halogen free wall system is described. The wall system includes wall studs that are coupled together to form a frame and polyisocyanurate insulation boards that are positioned on an exterior side of the frame to form an exterior wall. The polyisocyanurate foam boards include a polyisocyanurate core having a halogen free fire retardant. Wall boards are attached to an interior side of the frame to form an interior wall. The wall boards are free of a halogenated fire retardant. The wall studs, polyisocyanurate foam boards, and wall board define a plurality of wall cavities within which an insulation material is positioned. The insulation material is free of a halogenated fire retardant.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: December 20, 2016
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20160348356
    Abstract: According to one embodiment, a halogen free roof system is described. The roof system includes a structural deck that is positioned above joists or other support members. Polyisocyanurate foam insulation is positioned atop the structural deck. The polyisocyanurate foam insulation has an isocyanate index greater than 200 and includes a polyisocyanurate core having a halogen free fire retardant. A water proof membrane is positioned atop the polyisocyanurate foam insulation. The polyisocyanurate core is able to form a sufficiently stable char when exposed to flame conditions such that the polyisocyanurate core is able to pass the ASTM E-84 test.
    Type: Application
    Filed: August 10, 2016
    Publication date: December 1, 2016
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20160272774
    Abstract: An open cell spray polyurea foam for use in an insulation layer in a wall structure may include a polyurea. The polyurea may be a reaction product of an isocyanate compound and water. The open spray polyurea foam may also include a filler. The majority of the filler may exist in the spray foam formulation as an unreacted first fire retardant. The spray foam formulation may further comprise a second fire retardant, and the insulation layer may exhibit a fire retardancy sufficient to pass Appendix X and/or ASTM E-84.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 22, 2016
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Publication number: 20160272772
    Abstract: Embodiments of the present technology may include an open cell spray polyurethane foam. The foam may include a polymer. The polymer may formed by the polymerization of a reaction product of (1) a saccharide with an epoxide and (2) an isocyanate. The reaction product may have greater than 25 weight percent and less than 99 weight percent of the saccharide. The foam may exhibit a fire retardancy sufficient to pass flame tests in accordance with Appendix X and/or ASTM E-4.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 22, 2016
    Inventors: Scott Snider, Lance Wang, Jawed Asrar
  • Publication number: 20160017127
    Abstract: A spray foam formulation used to form a spray foam insulation layer in a wall structure is described. The formulation may include the reaction product of a polyisocyanate compound and a polyol compound; a fire retardant chosen from at least one of a non-halogenated fire retardant; and a reactive halogen-containing fire retardant, and a carbohydrate. The spray foam insulation layer has an insulative R value of 3.0 to 7.2 per inch, and a density of between about 0.3 to about 4.5 pcf. Further, spray foam insulation made from the spray foam formulation may have fire retardant characteristics that are equivalent to or better than a similar spray insulation foam insulation using non-reactive halogenated fire retardants such as tris(1-chloro-2-propyl)phosphate (TCPP).
    Type: Application
    Filed: June 25, 2015
    Publication date: January 21, 2016
    Inventors: Scott Snider, Lance Wang, Jawed Asrar