Patents Examined by Melissa Rioja
  • Patent number: 11001666
    Abstract: The present invention relates to a method for producing flexible polyurethane foams based on polyoxymethylene-polyoxyalkylene block copolymers. The invention also relates to the use of the flexible polyurethane foams thus produced and their use for producing furniture upholstery, textile inlays, mattresses, automobile seats, headrests, armrests, sponges, foam sheets for use in automobile parts such as roof linings, door panel upholstery, seat covers and technical components. The invention finally relates to a two-component system for producing flexible polyurethane foams.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 11, 2021
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Rolf Albach, Annika Stute, Markus Meuresch, Petra Venner
  • Patent number: 11001692
    Abstract: The present invention relates to a process for producing a water-absorbing polymer, comprising the process steps of (i) mixing (?1) 0.1 to 99.999% by weight of polymerizable, ethylenically unsaturated monomers containing acid groups, or salts thereof, (?2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of one or more crosslinkers, where the sum of the weights (?1) to (?3) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble, aqueous untreated hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the water-absorbing polymer to size, wherein the aqueous monomer solution, is admixed with 0.01 to 5% by weight of at least one surfactant and optionally 0.01 to 5% by weight of a blowing agent having a particle size of 10 ?m to 900 ?m, based on the water-absorbing polymer.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: May 11, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Laurent Wattebled, Anna Miasnikova, Markus Henn
  • Patent number: 11001718
    Abstract: An opacifying cluster which may be added to a coating composition to provide a coating composition with low gloss and a high level of opacity. The opacifying cluster can include a polymeric latex binder coalescing cluster components into a generally homogeneous particle. The cluster components may include discrete polymeric particles each defining a closed void volume therein, a plurality of inorganic pigment particles, and a plurality of extender pigment particles. The clusters may also include a porosity of the polymeric latex binder thereof defining a binder void volume. Also provided is a paint product including such a pigment cluster.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: May 11, 2021
    Assignee: THE SHERWIN-WILLIAMS COMPANY
    Inventors: James M Reuter, Joseph K Walker, Chase Banyots
  • Patent number: 10995174
    Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: May 4, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Eva Emmrich-Smolczyk, Mladen Vidakovic, Kai-Oliver Feldmann, Annegret Terheiden
  • Patent number: 10994260
    Abstract: Provided herein is a superabsorbent polyHIPE composition-of-matter comprising a majority of ionizable pendant groups, capable of absorbing up to 300-fold by mass water while exhibiting a notable mechanical strength in both the dry and wet form, as well as various uses thereof.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: May 4, 2021
    Assignee: Technion Research & Development Foundation Limited
    Inventors: Sebastijan Kovacic, Michael S. Silverstein
  • Patent number: 10975190
    Abstract: A bio-based polyurethane foam manufactured by a process that involves cleaning a bio-based polyoxyalkylene glycol polyol by a method comprising the steps of adding an adsorbent to the bio-based polyoxyalkylene glycol polyol to create a mixture in the ratio of 0.5% to 5.0% adsorbent to bio-based polyoxyalkylene glycol polyol by weight, stirring the mixture in a gaseous nitrogen environment, replacing the gaseous nitrogen environment with a gaseous carbon dioxide environment, and filtering the mixture to separate impurities from the mixture and create a cleaned bio-based polyoxyalkylene glycol polyol; then mixing the cleaned bio-based polyoxyalkylene glycol polyol with a polyfunctional isocyanate to create a bio-based polyurethane prepolymer; and then foaming the bio-based polyurethane prepolymer by admixing with an excess of water to make the bio-based polyurethane foam.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: April 13, 2021
    Assignee: BioNanoFoam LLC
    Inventor: John I. Nanos
  • Patent number: 10975216
    Abstract: The present disclosure relates to compositions comprising Z-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: April 13, 2021
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Xuehui Sun, Ivan Sergeyevich Baldychev, Sheng Peng, Konstantinos Kontomaris, Barbara Haviland Minor, Joseph Anthony Creazzo
  • Patent number: 10975240
    Abstract: The antioxidant according to the present invention contains a polyurethane compound represented by the following formula (1): (wherein Y1 is a residue of a diol, and plural Y1s may be the same or different, R1 is a residue of an aromatic diisocyanate, and plural R1s may be the same or different, X1 is a residue of a hindered phenol compound having at least k hindered phenolic hydroxyl groups, and plural X1s may be the same or different, m is an integer of 1 or more, n is an integer of 1 or more, and k is an integer of 2 or more).
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: April 13, 2021
    Assignee: SANKO CO., LTD.
    Inventors: Akihiko Yoshizato, Hiroyuki Tano
  • Patent number: 10975212
    Abstract: The present invention provides a polyol composition for preparing a viscoelastic and reticulated polyurethane foam, comprising a first polyether polyol b1), a second polyether polyol b2), a third polyether polyol b3), and a surfactant b6). The present invention also provides a viscoelastic and reticulated polyurethane foam prepared from said polyol composition, wherein the polyurethane foam has a ball rebound rate of less than 15% determined according to GB/T6670-2008.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: April 13, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Liqiang Li, Qingyun Wang, Yongxing Lin, Zhong Cao, Kehan Xiong
  • Patent number: 10913816
    Abstract: A one-component foam formulation contains a pre-polymer and a blowing agent, the pre-polymer being the reaction product of a polymeric polyol component having an average hydroxyl functionality in a range of 2.3 to 2.85 hydroxyl functionalities per molecule as determined using ASTM D4274-11 (method D); and where the polymeric polyol component has an effective average molecular weight in a range of 4500 and 10000 grams per mole, one or more than one type of chain extender molecule having 3 to 6 carbon atoms and 2 to 4 reactive functionalities selected from a group consisting of hydroxyl and amine functionalities per molecule, a polyisocyanate having a functionality in a range of 2.1 to 3.0 —NCO functionalities per molecule as determined by ASTM D7252-06(2011)e1; and a catalyst.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: February 9, 2021
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
    Inventors: Beverly J. Selle, Deborah A. Schutter, Megan Thomas, Stéphane Costeux
  • Patent number: 10899911
    Abstract: The present invention provides dialkyl phosphorus-containing compounds, namely reactive mono-hydroxyl-functional dialkyl phosphinates, serving as highly efficient reactive flame retardants in flexible polyurethane foams. The invention further provides fire-retarded polyurethane compositions comprising said the reaction product of the mono-hydroxyl-functional dialkyl phosphinates with polyol and isocyanate foam forming components.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 26, 2021
    Assignee: ICL-IP America Inc.
    Inventors: Andrew Piotrowski, Joseph Zilberman, Jeffrey Stowell, Mark Gelmont, Mayank Singh, Zhihao Chen, Eran Gluz
  • Patent number: 10899903
    Abstract: The scope of this invention is to disclose the method of foaming a superior impact mitigation material, namely semi-closed cell hybrid polyurea foam, using scalable manufacturing process that is geometry-independent and allows for greater control of the resulting foam properties. while the process discussed herein, can be easily used to make complex geometries (e.g., padding foam for helmets, outsoles for walking and running shoes, body armors or other protection applications.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 26, 2021
    Assignee: San Diego State University Research Foundation
    Inventors: George Youssef, Nathan Reed
  • Patent number: 10882968
    Abstract: The present disclosure provides a linear polypropylene foam with, for example, low density and/or high expansion ratio, said linear polypropylene foam comprising at least one polypropylene, at least one alpha nucleating agent, and at least one beta nucleating agent. The present disclosure also provides compositions and processes for making said linear polypropylene foam.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: January 5, 2021
    Assignee: LCY CHEMICAL CORPORATION
    Inventor: Chiang Hsiang Lin
  • Patent number: 10865285
    Abstract: Two-component formulation for producing open-cell flexible foams having compressive strength of ?1N/cm2, contained in 2-component aerosol can with crosslinker sleeve which can be opened prior to deploying formulation from aerosol can wherein the contents thereof enter aerosol can, wherein first component is present in aerosol can and second component that is reactive to first component is present separately in crosslinker sleeve and wherein aerosol can includes prepolymer composed of 25-35% by weight MDI and 40-55% by weight of polyol mixture having free isocyanate groups, and 10-21% by weight of propellant gas mixture and crosslinker sleeve includes 4-10% by weight of crosslinker mixture, wherein weight data are based on weight of formulation.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: December 15, 2020
    Assignee: SIKA TECHNOLOGY AG
    Inventor: Natalie Wagner
  • Patent number: 10851018
    Abstract: An aggregate includes a polymeric foam present in a range of about 80 vol % to about 85 vol % of the aggregate. A cementitious matrix is present in a range of about 10 vol % to about 13 vol % of the aggregate. One or more resins are present in an amount of less than about 2 vol % of the aggregate, and one or more reinforcing fibers are present in an amount of less than about 1 vol % of the aggregate.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: December 1, 2020
    Inventor: Ali Amirzadeh
  • Patent number: 10836882
    Abstract: The present disclosure relates to a modified polyester polyol composition useful in the formulation of polyurethane and polyisocyanurate cellular polymers for use in making foam articles with hydrocarbon blowing agents. The modified polyester polyol composition comprises the reaction product of a polyol with an EO/PO block copolymer having a weight average molecular weight from 1,000 to 20,000 g/mol and has a viscosity in the range of 100 to 10,000 centipoise, as determined at 25° C. according to the ASTM D-4878 method.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 17, 2020
    Assignee: INVISTA North America S.a.r.l.
    Inventor: Carina A. McAdams
  • Patent number: 10829584
    Abstract: A high-resiliency polyurethane foam comprises the reaction product of an isocyanate and an isocyanate-reactive component. The isocyanate-reactive component comprises a first polyether polyol in an amount of greater than about 5 parts by weight and a second polyether polyol in an amount of less than about 80 parts by weight, with parts by weight based on the total weight of the isocyanate-reactive component. The high-resiliency polyurethane foam has a resilience of about 45 to about 70% when tested in accordance with ASTM D3574-11. A method of forming a high-resiliency polyurethane foam includes the steps of providing the isocyanate and the isocyanate-reactive component and reacting the isocyanate and the isocyanate-reactive component.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: November 10, 2020
    Assignee: BASF SE
    Inventors: Yeonsuk K. Roh, Steven E. Wujcik
  • Patent number: 10815353
    Abstract: A composition for a single-component polyurethane foam and a method of using the same. The composition comprises a polyether or polyester or a combination thereof with functionality 2 and a hydroxyl number between about 22 mgKOH/g and about 374 mgKOH/g, a polyether or polyester or a combination thereof with functionality 3 and a hydroxyl number between about 84 mgKOH/g and about 842 mgKOH/g, a fire-retarding agent, a silicone stabilizer, a catalyst, polymeric diphenylmethane diisocyanate, a dimethyl ether, propane, isobutane or a combination thereof, and 1,1-difluoroethane or any other Freon, or any combination thereof.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: October 27, 2020
    Inventors: Konstantin Dragan, Vitalii Titorov
  • Patent number: 10808068
    Abstract: Processes for manufacturing novolacs and resoles from lignin are disclosed. A phenol-aldehyde-lignin dispersion is formed which can then be used to make either a novolac or a resole, depending upon the catalysts used.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 20, 2020
    Assignee: HEXION INC.
    Inventors: Anthony Maiorana, Srirama N. Maddipatla Venkata, Stephen W. Arbuckle, Ganapathy Viswanathan
  • Patent number: 10759920
    Abstract: The present disclosure relates to compositions comprising E-1,1,1,4,4,4-hexafluoro-2-butene and additional compounds that may be useful as refrigerants, heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or vapor form, and in methods for detecting leaks.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 1, 2020
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Mario Joseph Nappa, Xuehui Sun, Ivan Sergeyevich Baldychev, Sheng Peng, Konstantinos Kontomaris, Barbara Haviland Minor, Joseph Anthony Creazzo