Patents Examined by Melissa Rioja
  • Patent number: 10479859
    Abstract: This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure. The disclosure provides aromatic polyester polyether polyols and compositions comprising such polyols. The disclosed aromatic polyester polyether polyols and compositions including same are the products of the transesterification reaction of polyethylene terephthalate (“PET”) and an ethoxylated triol, namely glycerin or trimethylolpropane, wherein the degree of ethoxylation is from 1 to 9 moles. At least some of the PET used to generate the aromatic polyester polyether polyols is derived from recycled PET. The disclosed aromatic polyester polyether polyols have utility in preparing polyurethane materials, for example.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: November 19, 2019
    Assignee: Talaco Holdings, LLC
    Inventors: Frank A. Queen, Robert Keith Salsman, Bennett McDonald Pearson
  • Patent number: 10472454
    Abstract: The present invention relates to a process for preparing rigid polyurethane foams or rigid polyisocyanurate foams by using certain polyetherester polyols B) based on aromatic dicarboxylic acids, optionally further polyester polyols C), which differ from those of component B), and polyether polyols D), wherein the mass ratio of total components B) and optionally C) to component D) is less than 1.6. The present invention also relates to the rigid foams thus obtainable and to their use for producing sandwich elements having rigid or flexible outer layers. The present invention further relates to the underlying polyol components.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: November 12, 2019
    Assignee: BASF SE
    Inventor: Gunnar Kampf
  • Patent number: 10457770
    Abstract: A surfactant and a method of forming the surfactant having the formula (I) where a is an integer from 1 to 10, b is an integer from 0 to 10, R1 is —CH3 or —H, n is an integer from 0 to 20, and R2 is a moiety selected from the group consisting of (II), (III), (IV), (V), (VI), (VII) or (VIII) where m is an integer from 0 to 4. The surfactant can be used in a method for preparing a rigid polyurethane foam.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: October 29, 2019
    Assignee: Dow Global Technologies, LLC
    Inventors: Jiawen Xiong, Dachao Li, Jianxin Zhang, David Hong-fei Guo, Beilei Wang, Wei Liu
  • Patent number: 10457791
    Abstract: A method for producing a foamed thermally crosslinked mass system, wherein the mass system is foamed at a first temperature in a first step, and crosslinker substances are added to the mass system in a subsequent step at a second temperature lower than the first temperature, wherein the crosslinker substances are crosslinker substances for thermal crosslinking of the mass system.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 29, 2019
    Assignee: TESA SE
    Inventors: Franziska Czerwonatis, Stephan Schönbom, Axel Burmeister, Volker Lass
  • Patent number: 10450401
    Abstract: A reaction system for forming a polyurethane foam includes an isocyanate component that has at least one isocyanate and an isocyanate-reactive component that is a mixture formed by adding at least a polyol component, an additive component, and a preformed aqueous polymer dispersion. The mixture includes, based on the total weight of the mixture, from 50.0 wt % to 99.8 wt % of a polyol component including at least one polyether polyol, from 0.1 wt % to 50.0 wt % of an additive component including at least one catalyst, and from 0.1 wt % to 6.0 wt % of a preformed aqueous polymer dispersion. The preformed aqueous polymer dispersion has a solids content from 10 wt % to 80 wt %, based on the total weight of the preformed aqueous polymer dispersion, and is one of an aqueous acid polymer dispersion or an aqueous acid modified polyolefin polymer dispersion in which the polyolefin is derived from at least one C2 to C20 alpha-olefin.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 22, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Kaoru Aou, Joseph Jacobs, Christopher Thiede
  • Patent number: 10449516
    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: May 16, 2017
    Date of Patent: October 22, 2019
    Assignee: Technion Research & Development Foundation Limited
    Inventors: Sebastijan Kovacic, Michael S. Silverstein
  • Patent number: 10450403
    Abstract: A composition for polyurethane foaming, a polyurethane foam and a use thereof. The composition contains two different polyols with a polyethylene oxide ether structure and a polypropylene oxide ether structure, and a specific type of catalyst, flame retardant and water are added thereto; at the same time, the composition contains a small amount of a surfactant and other small molecular alcohols. The traits of the product are that it is pale yellow and transparent, and the product is not layered during long-term storage. The above-mentioned composition and polyphenylpolymethylene polyisocyanate (PAPI) produce a low-density polyurethane foam by means of a foaming machine.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: October 22, 2019
    Assignee: Wanhua Chemical (Ningbo) Rongwei Polyurethane Co., Ltd.
    Inventors: Junfeng Wang, Xialin Zhu, Jing Chen
  • Patent number: 10428170
    Abstract: Polyurethane/polyisocyanurate foam insulation described herein is derived from a composition that contains an organic polyisocyanate, an isocyanate reactive material containing at least about 20% by weight, based on the total weight of the composition, of an aromatic polyester polyol, a hydrocarbon blowing agent, a first catalyst selected from the group consisting of a carboxylate salt of an alkali metal, a carboxylate salt of an alkaline earth metal, a carboxylate salt of a quaternary ammonium, and combinations thereof, and a second catalyst comprising a non-reactive tertiary amine, wherein a molar ratio of the first catalyst to the second catalyst is less than about 1.25, the composition gels quickly, and the composition has an isocyanate index greater than about 175. Such an insulating foam has a ratio of thermal conductivity at 75° F. to thermal conductivity at 25° F. between about 0.98 and about 1.10.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: October 1, 2019
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventors: Sachchida N. Singh, Kristof Dedecker, Sheila Dubs, Paul Coleman
  • Patent number: 10414921
    Abstract: A multi-layered ballistic material can include a polyurethane foam layer and a ballistic impact absorption layer. The polyurethane foam can be formed from an isocyanate and a polyol; a polymerization reactor initiator that is an isoprenoid compound; and a polymerization reaction accelerator.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: September 17, 2019
    Assignee: Virfex, LLC
    Inventor: Ghassan Dehni
  • Patent number: 10414891
    Abstract: A class of alkanol amine ligands reacted with bismuth carboxylates lends unique curability properties to isocyanate and polyols for production of polyurethane for CASE applications, including growing demand for polyurethane spray-foam. The amino-alcohol ligand, when associated with bismuth neodecanoate, offers improved moisture and solvent resistance during B-side (polyol) storage, cure rates analogous to tin-based curatives, and overall good final physical properties of the cured polyurethane.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: September 17, 2019
    Assignee: The Shepherd Chemical Company
    Inventors: Tod C. Duvall, Jeffrey Sullivan, Nathan Eckert
  • Patent number: 10403926
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: R1 represents CmH2m-n1Xn2; X represents a halogen; m represents an integer of from 2 to 7; each of n1 and n2 independently represents an integer of from 0 to 2m; R2 represents CjH2j-k1Zk2; Z represents a halogen; j represents an integer of from 2 to 7; each of k1 and k2 independently represents an integer of from 0 to 2j; each of R3, R4 and R5 independently represents H or OH; and a is 0 or 1.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: September 3, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Shinya Wakita, Masayuki Ihara, Masanori Soma, Izaya Okae
  • Patent number: 10391195
    Abstract: The present invention relates to a particulate absorbent polymer material having: i) a maximum APCi×10 sec value ?1.6) for at least one number i selected from the group of integers from 2 to 12 (=APCmax); or ii) a value ?12 for the sum total of all APCi×10 sec values for all numbers i from the group of integers from 2 to 12 (=APCsum); wherein the APCi×10 sec value is: APCi×10 sec=QIi×10 sec value2×PIi×10 sec value where the QIi×10 sec value is the swell index and i×10 seconds after adding the 0.9% by weight NaCl solution, and the PIi×10 sec value is the permeability index and i×10 seconds after adding the 0.9% by weight NaCl solution.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: August 27, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Markus Henn, Laurent Wattebled, Peter Herbe, Jorg Harren, Christoph Loick
  • Patent number: 10385086
    Abstract: The porous polymer compound has a three dimensional skeleton and pores and/or voids that are partitioned and formed by the three dimensional skeleton. The three dimensional skeleton comprises multiple sugar derivatives represented by formula (1) and multiple cations that interact with the hydroxyl groups and/or ether bonds of the sugar derivatives, and the three-dimensional skeleton is formed by each of the cations interacting with two or more sugar derivatives. Also provided are a method of separating a compound to be separated using the porous polymer compound; a single crystal of the porous polymer compound; a method of preparing a sample for crystal structure analysis using the single crystal; a method of determining a molecular structure of a compound to be analyzed using the sample for crystal structure analysis; and a method of determining an absolute configuration of a chiral compound using the sample for crystal structure analysis.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: August 20, 2019
    Assignee: The University of Tokyo
    Inventors: Makoto Fujita, Yasuhide Inokuma
  • Patent number: 10370513
    Abstract: A flame-retardant sealing material comprising a polyurethane foam formed from a polyurethane raw material containing a polyol component, an isocyanate, a water repellent, a flame retardant and the like, wherein the polyol component contains a hydroxyl-terminated prepolymer obtained by the reaction of a polyether polyol and an isocyanate, the water repellent is a polybutadiene polyol or the like, the flame retardant is (1) a non-halogen non-condensed phosphate ester or (2) a halogen-containing non-condensed phosphate ester, which are liquid at ordinary temperature, and the isocyanate index is 100 to 150.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: August 6, 2019
    Assignee: INOAC CORPORATION
    Inventor: Minoru Kawarabayashi
  • Patent number: 10358516
    Abstract: The present invention discloses a freezing-illumination method for preparing porous gels, comprising the steps of: (a) synthesizing the gels containing dynamic exchangeable bonds; (b) illuminating the gels under frozen state by certain wavelength light source; (c) elevating the temperature and melt the ice crystals within the gels to get the porous structure. The dynamic exchangeable bonds existing in the gels include double/multi-sulfur bond, hydrazine bond, boronic ester bond. Catalyst is also included in the gel composition to activate the bond exchange reactions under illumination. This new method for preparing porous gels is easy to operate and suitable for most kinds of gels. Meanwhile, it can spatially control the pore structure within the gels by local illumination.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: July 23, 2019
    Assignee: ZHEJIANG UNIVERSITY
    Inventors: Qian Zhao, Jingjun Wu, Tao Xie, Di Chen
  • Patent number: 10329398
    Abstract: A flexible polyurethane foam article exhibiting flame resistance comprises the reaction product of an isocyanate and an isocyanate-reactive component comprising a polyol reactive with the isocyanate. The isocyanate and the isocyanate-reactive component are reacted in the presence of a blowing agent and a phospholene oxide. A method of producing the flexible polyurethane foam article includes the step of reacting the isocyanate and the isocyanate-reactive component in the presence of the blowing agent and an effective amount of the phospholene oxide to form the flexible polyurethane foam article which is flame resistant.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: June 25, 2019
    Assignee: BASF SE
    Inventors: Steven E. Wujcik, Rajesh Kumar, Christopher J. Milantoni
  • Patent number: 10323116
    Abstract: Polyurethane foams are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, an ionic liquid or a deep eutectic solvent, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and optionally a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam can exhibit a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and in the instance where a flame retardant has been added in an appropriate amount, exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and/or the smoke spread values.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: June 18, 2019
    Assignee: Imperial Sugar Company
    Inventors: Douglas Svenson, Jose Luna, Thomas Rathke
  • Patent number: 10294322
    Abstract: The instant invention provides an isocyanate trimerization catalyst system, a precursor formulation, a process for trimerizing isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerization catalyst system comprises: (a) a phosphatrane cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerization catalyst system has a trimerization activation temperature in the range of equal to or less than 73° C. The precursor formulation comprises (1) at least 25 percent by weight of polyol, based on the weight of the precursor formulation; (2) less than 15 percent by weight of a trimerization catalyst system, based on the weight of the precursor formulation, comprising; (a) a phosphatrane cation; and (c) an isocyanate-trimer inducing anion; wherein said trimerization catalyst system has a trimerization activation temperature in the range of equal to or less than 73° C.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: May 21, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Phillip S. Athey, Nathan Wilmot, Richard J. Keaton, David A. Babb, Cecile Boyer, Timothy A. Morley
  • Patent number: 10287411
    Abstract: Aerogel compositions, methods for preparing the aerogel compositions, articles of manufacture that include or are made from the aerogel compositions are described and uses thereof. The aerogels include a branched polyimide matrix with little to no crosslinked polymers.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: May 14, 2019
    Assignee: Blueshift Materials, Inc.
    Inventors: Garrett Poe, Alan Sakaguchi, Nicole Lambdin
  • Patent number: 10260139
    Abstract: An article may include a substrate including a ceramic or a CMC; a bond layer on the substrate; and a diffusion barrier layer between the substrate and the bond layer. The diffusion barrier layer may include at least one of molybdenum metal, tantalum metal, tungsten metal, or niobium metal. In some examples, the article may include a stabilizing layer that includes at least one of a silicide of molybdenum (MoSi2), tantalum (TaSi2), tungsten (WSi2), or niobium (NbSi2), between the diffusion barrier layer and the bond layer.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: April 16, 2019
    Assignee: Rolls-Royce Corporation
    Inventors: Michael Cybulsky, Sean E. Landwehr, Stephanie Gong, Kenneth Green, Ann Bolcavage