Patents Examined by John M. Cooney
  • Patent number: 11332591
    Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: May 17, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Daniela Hermann, Roland Hubel, Annegret Terheiden, Michael Ferenz, Wilfried Knott, Horst Dudzik
  • Patent number: 11332569
    Abstract: The present disclosure provides for a polyurethane elastomer foam formed by reacting a mixture that includes 60 to 50 weight percent (wt. %) of a polyol formulation and 40 to 50 wt. % isocyanate pre-polymer (wt. % based on the total weight of the mixture). The polyol formulation includes 85 to 92 wt. % of a polytetramethylene ether glycol (PTMEG) with a weight average molecular weight of 1900 to 2100 and a hydroxyl number of about 53 to about 60; 4 to 10 wt. % of monoethylene glycol; a blowing agent; a catalyst; and a surfactant (wt. % values for the polyol formulation based on the total weight of the polyol formulation). The isocyanate pre-polymer includes 55 to 70 wt. % of a isocyanate blend having at least 90 wt. % of 4,4?-diphenylmethane diisocyanate; and 30 to 45 wt. % of the PTMEG, where the isocyanate pre-polymer has an isocyanate content of 16 to 21 wt.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: May 17, 2022
    Assignees: Dow Global Technologies LLC, Dow Italia Divisione Commerciale S.R.L.
    Inventors: Silvia Scussolin, Luciano Zanacchi, Alessio Sabadini
  • Patent number: 11312809
    Abstract: Recovery times and/or airflow of flexible polyurethane foam is increased by including certain tackifiers in the foam formulation. The tackifiers are characterized in being incompatible with polyol or polyol mixture used to make the foam, having a viscosity of at least 5,000 centipoise at 25 #C and having a glass transition temperature of at most 20 #C. The tackifier is pre-blended with certain monols to form a lower-viscosity blend that is combined with one or more other polyols and a polyisocyanate to form a reaction mixture for producing a polyurethane foam.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: April 26, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Qinghao Meng, Meagan Broadway, Kaoru Aou, William J. Harris, Felipe A. Donate, Daniel L. Dermody, Christopher Thiede, Van M. Delk, Jr., Helge Braun, Yin Tang, Adam L. Grzesiak
  • Patent number: 11312811
    Abstract: This invention relates to improved flexible foams prepared from polymer polyols and to a process for preparing these improved flexible foams.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: April 26, 2022
    Assignee: Covestro LLC
    Inventors: Rick L. Adkins, Brian L. Neal, Peter Uthe, Jack R. Reese
  • Patent number: 11306176
    Abstract: This invention relates to a process for preparing a flexible polyurethane foam in which the isocyanate-reactive component comprises a specific isocyanate-reactive component. The invention also relates to flexible polyurethane foam wherein the isocyanate-reactive comprises the specific isocyanate-reactive component.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: April 19, 2022
    Assignee: Covestro LLC
    Inventors: Nigel Barksby, Brian L. Neal
  • Patent number: 11299882
    Abstract: A polyisocyanurate foam insulation product is produced from an isocyanate component and a polyol-containing component including a blowing agent. The polyol-containing component comprises one or more polyols, a fire retardant, and a hydroxyl-containing low-molecular-weight additive effective to increase the R-value per inch of the insulation product as measured at 40° F., as compared with an otherwise-identical formulation lacking the hydroxyl-containing low-molecular-weight additive. The polyisocyanurate foam insulation product may have an R-value per inch of at least 6.0 when measured at 40° F. and may have an R-value per inch of at least 5.5 when measured at 25° F. Suitable hydroxyl-containing low-molecular-weight additives may include triethanolamine, trimethylolpropane, N-methyldiethanolamine, 1,4 butanediol, or another suitable multi-functional alcohol or combination of multi-functional alcohols.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 12, 2022
    Assignee: Johns Manville
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Patent number: 11299591
    Abstract: This invention relates to odor control molecules comprised of polyethyleneimine compounds containing N-halamine and derivatives thereof.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 12, 2022
    Assignee: Milliken & Company
    Inventors: Sudhanshu Srivastava, Wesley A. Freund, Sanjeev K. Dey, Dominick J. Valenti
  • Patent number: 11292865
    Abstract: A reaction mixture and a process for making a polyisocyanurate comprising rigid foam having a density in the range 50-500 kg/m3 is disclosed, said process having a cream time >35 seconds and a snap cure behaviour.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: April 5, 2022
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventors: Thomas Julien Joncheray, Jacopo Bernardini, Gilles Jean Geumez, Jan Vandenbroeck
  • Patent number: 11286343
    Abstract: This invention relates to polymer polyols which comprise one or more base polyols, at least one preformed stabilizer, one or more ethylenically unsaturated monomers, and, in the presence of at least one free radical polymerization catalyst, and optionally, one or more polymer control agents. The base polyol of these polymer polyols comprises one or more amine initiated polyols. The present invention also relates to processes for preparing these polymer polyols, to foams prepared from these polymer polyols, and to processes for producing foams from these polymer polyols.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: March 29, 2022
    Assignee: Covestro LLC
    Inventor: Rick L. Adkins
  • Patent number: 11286329
    Abstract: A polyol component P) contains at least three different polyether polyols A) to C), and at least one polyether ester polyol D). A process for producing rigid polyurethane foams using the polyol component P) and the rigid polyurethane foams produced therefrom can be utilized.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 29, 2022
    Assignee: BASF SE
    Inventors: Johann Klassen, Sirus Zarbakhsh, Hendrik Wagner
  • Patent number: 11279809
    Abstract: The invention relates to flame-proofed polyurethane hard foam material or polyurethane/polyisocyanurate hard foam material (designated below individually or jointly also as “PUR/PIR hard foam material”) comprising phosphinates (also hypophosphite), and to a method for producing PUR/PIR hard foam materials through the implementation of a reaction mixture containing A1 an isocyanate-reactive component, A2 propellant, A3 catalyst, A4 optionally additive, A5 flame-proofing agent, B an isocyanate component, characterised in that the flame-proofing agent A5 contains a phosphine according to the formula (I)M[(R)2PO2]n, where R=in each case stands for H, C1- to C4-(hydroxy-)alkyl group or benzyl group, M=an element of the main groups 1 to 3, wherein hydrogen is excepted, and n=the number of the main group of M, and the proportion of the phosphine according to the formula (I) is 0.1 to 15 wt %, based on the total mass of components A1 to A5.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 22, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Rolf Albach, Torsten Hagen, Torsten Heinemann, Nicole Welsch
  • Patent number: 11267926
    Abstract: The present invention relates to a method of preparing a polyurethane elastomer, said method comprising the step of reacting at least one isocyanate composition (ZI) and one polyol composition (ZP) comprising a poly-?-caprolactone polyol and an ?-hydro-?-hydroxy-poly(oxytetramethylene) polyol to obtain an isocyanate-functional prepolymer and the step of reacting the prepolymer obtained as per step (i) with at least one chain extender (KV). The present invention further relates to a polyurethane elastomer obtained or obtainable according to a method of the invention and also to the method of using a polyurethane elastomer according to the invention or a polyurethane elastomer obtained or obtainable according to a method of the invention in the manufacture of a shaped article, especially a damping element, a shock absorber or a stop buffer or part of a shoe or of a shoe sole, for example part of an insert sole or of a midsole.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: March 8, 2022
    Assignee: BASF SE
    Inventors: Johannes Poppenberg, Waldemar Meier, Christina Tepper, Markus Susoff, Dejan Petrovic, Steffen Richter
  • Patent number: 11248101
    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 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), wherein the composition (A) comprises at least one compound (af) comprising phosphorous and at least one functional group which is reactive towards isocyanates. 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 as well as in water tank or ice maker insulation systems.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: February 15, 2022
    Assignee: BASF SE
    Inventors: Marc Fricke, Dirk Weinrich, Wibke Loelsberg, Marcel Nobis
  • Patent number: 11220393
    Abstract: An aerosol can configuration includes an outer can, an inner container and a spray head with a discharge element. The spray head has an outlet valve connected to the interior of the outer can and an outlet valve connected to the interior of the inner container. The two outlet valves are opened jointly by pressing on the spray head, so that the contents of the outer can and the contents of the inner container jointly enter the discharge element. To form a foam, the outer can contains at least 30-70% by weight isocyanate, in particular diphenylmethane 4,4?-diisocyanate, 3-15% by weight polyol with an OH number of less than 300, and 5-30% by weight liquid gas at a critical temperature of ?+70° C. At least 5-30% by weight polyol with an OH number of more than 300, and 1-10% by weight liquid gas with a critical temperature of ?+70° C. are contained in the inner container.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: January 11, 2022
    Inventor: Roland Lechner
  • Patent number: 11214648
    Abstract: An open cell polyurethane foam is provided which has a cell size and structure which allows the foam to act as an air and water barrier while still having acceptable water vapour permeability. The foam preferably is produced using water as a blowing agent, and includes a mixture of open cell-promoting, and closed-cell-promoting surfactants so as to provide an open cell foam structure having a cell size of about 1 ?m, a density of about 1.05 lb per cubic foot, and wherein the cell structure includes randomly occurring solid walls on some cells. The open cell polyurethane foams of the present invention are suitable for use as insulation on the exterior surfaces of a building.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: January 4, 2022
    Inventor: Salvatore A. Diloreto
  • Patent number: 11214647
    Abstract: There is described a process for producing a free-rise polyurethane foam having a density of less than or equal to about 0.75 pcf. the process comprises the steps of: (a) contacting: (i) an isocyanate, (ii) a first polyol comprising a first polymer chain consisting essentially of propylene oxide units and alkylene oxide units selected from ethylene oxide, butylene oxide and mixtures thereof in a weight ratio of propylene oxide units to alkylene oxide units in the range of from about 90:10 to about 25:75, the polymer chain being terminally capped with the ethylene oxide units, the first polyol having a primary hydroxyl content of at least about 70% based on the total hydroxyl content of the first polyol, (iii) water (iv) a surfactant and (v) a catalyst to form a foamable reaction mixture; and (b) expanding the foamable reaction mixture to produce the free-rise polyurethane foam.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: January 4, 2022
    Inventors: Jing Zhang, Dorota Ulman
  • Patent number: 11208537
    Abstract: The present invention provides expanded beads of thermoplastic polyurethane, wherein the thermoplastic polyurethane constituting the expanded beads is an ether-based thermoplastic polyurethane, and a difference (T1?T2) between a melting peak temperature (T1) and a melting peak temperature (T2) is from 0 to 8° C., wherein the melting peak temperature (T1) is a melting peak temperature at the time of first heating in a DSC curve obtained by heating the expanded beads from 20° C. to 260° C. at a heating rate of 10° C./min, the melting peak temperature (T2) is a melting peak temperature at the time of second heating in a DSC curve obtained by cooling from 260° C. to 20° C. at a cooling rate of 10° C./min after the first heating and further heating again from 20° C. to 260° C. at a heating rate of 10° C./min, and the DSC curves are obtained by the heat flux differential scanning calorimetry in conformity with JIS K7121-1987.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: December 28, 2021
    Assignee: JSP Corporation
    Inventors: Tatsuya Hayashi, Nobumasa Koshita, Masaharu Oikawa
  • Patent number: 11198753
    Abstract: Polyurethane foams and methods of manufacturing are described herein. The foam can include (a) a polyurethane formed by the reaction of (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, and (ii) one or more polyols; and (b) a filler. The amount of filler in the foam can be from 50 to 90% by weight, based on the total weight of the foam. The filler can include a plurality of fibers and/or a particulate filler. The polyurethane foams described herein are made without adding a surfactant to the reaction mixture. The density of the polyurethane foam can be at least 5 lb/ft3.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: December 14, 2021
    Assignee: Westlake Royal Building Products Inc.
    Inventors: Hamed Lakrout, Russ Majors, Brian Shaw, Guy Crocco, Li Al, Amitabha Kumar, Russell Hill
  • Patent number: 11192991
    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: January 6, 2020
    Date of Patent: December 7, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • Patent number: 11186671
    Abstract: A method of forming a flexible polyurethane foam that passes BS 5852:2006 source V (Crib 5) test. The method includes providing a modified polyisocyanate polyaddition (PIPA) 5 polyol formed by contacting a PIPA polyol dispersion with at least one carboxylic acid having a melting point above zero degree Celsius and present in a carrier solvent. The PIPA polyol dispersion has a polyol liquid phase content of 60 wt. % to 90 wt. % and a solid particle phase content of 10 wt. % to 40 wt. % based on a total weight of the PIPA polyol dispersion. From 10 weight percent (wt. %) to 80 wt. % of the modified PIPA polyol is combined with 90 wt. % to 20 10 wt. % of at least another polyether polyol based on a total weight of a polyol blend of the PIPA polyol and the at least another polyether polyol, where the polyether polyol is formed with propylene oxide and ethylene oxide and has an equivalent weight of 1,000 to 2,000 and a functionality of 3 to 6.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: November 30, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Lucie Porcelli, Francois M. Casati, Paul Cookson