Patents Examined by John M. Cooney
  • Increasing the heat flow of flexible cellular foam through the incorporation of highly thermally conductive solids
    Patent number: 10738228
    Abstract: Methods and combinations of mattress support surfaces comprising one or more flexible polyurethane foam layers containing highly thermally-conductive solids, such as diamond or silicon carbide, and said layer combination is capable of transferring heat from a warm surface, such as a person sleeping on a bed, to a cooler region at a faster rate throughout the mattress than the thermal dissipation rate obtained from flexible polyurethane foam without highly thermally-conductive solids.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: August 11, 2020
    Assignee: L&P Property Management Company
    Inventors: Bruce W. Peterson, Gualtiero G. Giori, Mark L. Crawford
  • Processable, tunable thio-ene crosslinked polyurethane shape memory polymers
    Patent number: 10730991
    Abstract: An embodiment includes a platform shape memory polymer system. Such an embodiment exhibits a blend of tunable, high performance mechanical attributes in combination with advanced processing capabilities and good biocompatibility. A post-polymerization crosslinking synthetic approach is employed that combines polyurethane and thiol-ene synthetic processes. Other embodiments are described herein.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: August 4, 2020
    Assignees: Lawrence Livermore National Security, LLC, The Texas A&M University System
    Inventors: Keith Hearon, Landon D. Nash, Thomas Wilson, Duncan J. Maitland, Mark A. Wierzbicki
  • Stable two component spray foam compositions containing hydrohaloolefin propellant or blowing agent
    Patent number: 10731019
    Abstract: A formulation technology for low pressure two component polyurethane foam-funning compositions containing gaseous hydrohaloolefin blowing agents is described with improved storage stability and extended shelf-life. The “B”-side component of the formulations contain a gaseous hydrohaloolefin blowing agent and a polyol pre-mix, the polyol pre-mix comprising liquid blowing agent, polyol, and a catalyst containing at least one catalytic metal compound.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: August 4, 2020
    Assignee: DAP Products Inc.
    Inventors: Jay Yuan Zhang, Timothy A Niemeyer
  • Attrition-resistant superabsorbent polymer, method for preparing the same and composition for preparing the same
    Patent number: 10723860
    Abstract: The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: July 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Young-In Yang, Young Sam Kim, Bo-Hee Park, Su-Jin Kim
  • Etchant for use in rapid formation of robust porous polymers
    Patent number: 10723856
    Abstract: A trifluoroacetic acid-based etchant is described that can remove a sacrificial component of a multi-component polymer, e.g., a self-assembled block copolymer. The etchant can operate at a high etch rate and with excellent selectivity. The etchant can remove a hydrolysable sacrificial component such as a polylactide block from a self-assembled block copolymer. The etchant enables the macroscopic preservation of the nanostructure morphologies of self-assembled copolymers (e.g., poly(styrene-block-lactide) copolymers) and can yield pristine porous films of the non-hydrolysable component of the starting multi-component polymer.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 28, 2020
    Assignee: University of South Carolina
    Inventors: Amrita Sarkar, Morgan Stefik, Chuanbing Tang
  • Polyisocyanurate foam composites and their production and use
    Patent number: 10723855
    Abstract: The invention relates to a method for the production of a rigid PIR foam composite containing man-made vitreous fibres (MMVF), the method comprising: providing MMVF, wherein at least 50% of the fibres by weight have a length of less than 250 ?m; providing a polyol component; mixing the MMVF and polyol component in a ratio such that the amount of MMVF is at least 10% by weight based on total weight of polyol component; emulsifying pentane with the mixture of polyol component and MMVF; inducing foam formation by addition of a further component which comprises isocyanate.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: July 28, 2020
    Assignee: ROCKWOOL INTERNATIONAL A/S
    Inventors: Jakub Lisowski, Dorte Bartnik Johansson, Anders Bach
  • Process for producing porous materials
    Patent number: 10717841
    Abstract: The present invention relates to a process for preparing a porous material, at least comprising the steps of providing a mixture (I) comprising a composition (A) comprising at least one monool (am) and a composition (A*) comprising components suitable to form an organic gel and a solvent (B), reacting the components in the composition (A) in the presence of the solvent (B) to form a gel, and drying of the gel obtained in step b). The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as thermal insulation material and in vacuum insulation panels, in particular in interior or exterior thermal insulation systems.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: July 21, 2020
    Assignee: BASF SE
    Inventors: Marc Fricke, Dirk Weinrich, Wibke Loelsberg
  • Biodegradable, biocompatible 3D liquid crystal elastomeric foam scaffolds having tailor-made animal (human) pore cell sizes via a salt leaching method are capable of growing tissue therein for therapeutic reconstruction of damaged and/or diseased tissue or organs
    Patent number: 10709815
    Abstract: Star block copolymers having 3 to 8 arms are formed as a 3D foam scaffold having tailor-made pore sizes that mimic an actual cell size of a specific animal and/or human tissue and/or organs. The pore sizes are made within the elastomeric foams via a salt leaching process wherein a salt of a specific particle size is blended within the star block copolymers and crosslinked as by polyisocyanate compounds. Water or other suitable solvent are utilized to dissolve and leach out the salt leaving an open pore system. Animal and/or human cells are then injected into the 3D elastomeric foam scaffold that contains pendant liquid crystals on the star block copolymer whereby with the aid of nutrients, cells are formed within the pore system that are viable for at least three months. The size of the pore is predetermined to produce a desired cultured cell having a desired size.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: July 14, 2020
    Assignee: Kent State University
    Inventors: Elda Hegmann, Marianne E. Prévôt, Torsten Hegmann
  • Aldehyde scavengers for polyurethane foams
    Patent number: 10683385
    Abstract: A polyurethane composition comprising an aldehyde scavenger, a polyurethane product, and a process for making polyurethane foam are disclosed. The scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1,3-dicarbonyl compound, a polyamine bearing a 1,3-propanediamino function, melamine, a 1,2-diaminocycloalkane, an ammonium salt; a compound containing the bisulfite anion, titanium dioxide and aminosiloxane.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: June 16, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Sheng Su, Juan Jesus Burdeniuc, Gauri Sankar Lal, Jennifer Elizabeth Antoline Al-Rashid, Torsten Panitzsch
  • Polyisocyanate composition for producing flexible polyurethane foam, and flexible polyurethane foam production method using same
    Patent number: 10662277
    Abstract: Provided are: an isocyanate composition for producing a flexible foam that has good vibration absorption as a result of having a low rebound resilience rate and a low hysteresis loss rate even in a low-density area; a composition for forming a flexible foam in which the isocyanate composition is used; and a flexible foam production method in which the composition for forming a flexible foam is used. The composition for forming a flexible foam has a low hysteresis loss rate and high durability in, a high hardness range and in a low density range. The flexible foam production method uses this composition for forming a flexible foam. The flexible foam production method does not cause odor problems or the like, maintains the durability required of a flexible foam even when the density thereof is reduced, and achieves good riding comfort properties and high safety.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: May 26, 2020
    Assignee: TOSOH CORPORATION
    Inventors: Yoshihisa Okiyama, Naoya Yoshii, Keita Ishibashi, Hiroyuki Orito
  • Flame-retardant polyurethane foams
    Patent number: 10640602
    Abstract: Process for producing a flame-retardant polyurethane foam of density from 5 to 50 g/L, by mixing (a) organic polyisocyanate with (b) polymeric compounds having at least two hydrogen atoms reactive toward isocyanates, (c) optionally chain extender and/or crosslinking agent, (d) flame retardant, (e) blowing agent, (f) catalysts, and optionally (g) auxiliary and additives to give a reaction mixture and permitting said reaction mixture to react completely, where the flame retardant (d) comprises expandable graphite and oligomeric organophosphorus flame retardant. The present invention further relates to a flame-retardant polyurethane foam which can be produced by a process of the invention, and also to the use of this foam in vehicles for acoustic insulation.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: May 5, 2020
    Assignee: BASF SE
    Inventors: Iran Otero Martinez, Jose Manuel Lopez Lopez, Ferran Antich Moros
  • Polyester polyols from thermoplastic polyesters and dimer fatty acids
    Patent number: 10611879
    Abstract: Polyester polyols made from thermoplastic polyesters are disclosed. The polyols can be made by heating a thermoplastic polyester such as virgin PET, recycled PET, or mixtures thereof, with a glycol to give a digested intermediate, which is then condensed with a dimer fatty acid to give the polyol. The invention includes a polyester polyol comprising recurring units of a glycol-digested thermoplastic polyester and a dimer fatty acid. The polyester polyol can also be made in a single step by reacting the thermoplastic polyester, glycol, and dimer acid under conditions effective to produce the polyol. High-recycle-content polyols having desirable properties and attributes for formulating polyurethane products, including aqueous polyurethane dispersions, can be made. The polyols provide a sustainable alternative to bio- or petrochemical-based polyols.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: April 7, 2020
    Assignee: RESINATE MATERIALS GROUP, INC.
    Inventors: Shakti L. Mukerjee, Rick Tabor, Adam William Emerson, Kevin Anthony Rogers, Eric D. Vrabel, Matthew T. Brown, Matthew J. Beatty, Jack Rogers Kovsky, Michael D. Kellerman, Michael Robert Christy
  • Rigid polyurethane foam and preparation method thereof
    Patent number: 10604615
    Abstract: A rigid polyurethane foam which is a polymerization product of a composition including a concentrated acid hydrolytic lignin, a polyol, and an isocyanate, and a method of preparing the rigid polyurethane foam.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: March 31, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sun Joo Moon, Da Eun Kim, Jeung Yil Park, Sang Mok Lee, Min Ho Jung, Young Ran Kim, Jung Min Kim, Jin Hwa Chang
  • Polyurethanes with reduced aldehyde emission
    Patent number: 10590231
    Abstract: Provided herein is a process for the production of polyurethanes with reduced aldehyde emission, wherein a CH-acidic compound which has one or more alkylene oxide units is added to the reaction mixture for the production of the polyurethane. Further provided herein are polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: March 17, 2020
    Assignee: BASF SE
    Inventors: Iran Otero Martinez, Sirus Zarbakhsh
  • Polyurethane foam from high functionality polyisocyanate
    Patent number: 10577454
    Abstract: A formulation system contains: (a) a pre-polymer reaction product of a polymeric isocyanate and a polyether polyol, where: (i) the polymeric isocyanate contains five weight-percent or more methylene diphenyl diisocyanate; (ii) the polymeric isocyanate has a functionality of 3.0 or less; (iii) the polyether polyol is present in the pre-polymer at a concentration of one to 25 weight-percent; (iv) the polyol has an equivalent weight of 50 to 500 grams per equivalent; (v) the —NCO concentration of the pre-polymer is 15 to 31 weight-percent; (vi) the pre-polymer is free of isocyanate trimers; (b) a polyester polyol component containing 10 to 25 weight-percent of free glycol; and (c) a blowing agent that contains less than five weight-percent water; where the ratio of pre-polymer and polyester result in foam having a trimer content of 12 to 22 weight-percent, and an —NCO index of more than 300 and less than 700.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: March 3, 2020
    Inventors: Kshitish A. Patankar, Mark F. Sonnenschein, Steven P. Crain, Christina A. Rhoton
  • Railroad rail track pad composition and railroad rail track pad
    Patent number: 10570572
    Abstract: A railroad rail track pad composition including a particular ethylene·?-olefin·non-conjugated polyene random copolymer (A), clay (B), and a sulfur atom-containing silane coupling agent (C) is used in order to lower the viscosity of a rubber composition that is a raw material for molding while suppressing lowering of the rubber elasticity of a crosslinked and molded product to be obtained. In addition, a molded product obtained by crosslinking the composition, particularly a molded product obtained by crosslinking and foam-molding the composition, is provided with rubber elasticity that is suitable as a railroad rail track pad.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: February 25, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Sakai, Yuji Ishii, Kiyohide Inomata, Kotaro Ichino
  • Method for producing flame retardant polyurethane foams using halogen-free flame retardants
    Patent number: 10563032
    Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: February 18, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • Memory foam based on thermoplastic polyurethane
    Patent number: 10563004
    Abstract: The present invention relates to a process for producing a molding (FK), comprising the production of a thermoplastic polyurethane, comprising the reaction of at least one polyisocyanate composition, at least one chain extender, and at least one polyol composition, the production of a molding (FK*) from the thermoplastic polyurethane, the heating of the molding (FK*) to a temperature below the temperature at which the molding (FK*) is permanently deformable, and above the switching temperature of the thermoplastic polyurethane, the compressing of the heated molding (FK*) to give a molding (FK), and the cooling of the molding (FK) to a temperature below the switching temperature of the thermoplastic polyurethane, and also to the moldings obtainable or obtained by such a process.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: February 18, 2020
    Assignee: BASF SE
    Inventors: Stefan Bokern, Frank Prissok, Sebastian Hartwig, Elmar Poeselt, Julia Goeschel, Uwe Keppeler
  • Foam insulation with enhanced fire and smoke performance
    Patent number: 10563033
    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: Grant
    Filed: September 28, 2017
    Date of Patent: February 18, 2020
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Thermally expandable fire resistant resin composition
    Patent number: 10538616
    Abstract: This invention relates to a thermally expandable fire-resistant resin composition comprising a resin component in an amount of 100 parts by weight, thermally expandable graphite in an amount of 3 to 300 parts by weight, and an inorganic filler in an amount of 2 to 200 parts by weight, wherein the thermally expandable graphite has an average aspect ratio of 20 or more.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: January 21, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Michio Shimamoto, Hideaki Yano