Patents Examined by Rabon Sergent
  • Patent number: 10316160
    Abstract: The present invention relates to a process for the production of polyurethanes where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) sulfur-carbon compounds selected from the group consisting of sulfinic acid derivatives of the general formula (I) and/or sulfonic acid derivatives according to the general formula (II) where R1 and R2 can be identical or different and are respectively any desired substituted or unsubstituted hydrocarbon moiety, with the proviso that the carbon atom bonded to the sulfur atom is an aliphatic carbon atom, and optionally (e) blowing agent, (f) chain extender and/or crosslinking agent, and (g) auxiliaries and/or additives are mixed to give a reaction mixture, and the reaction mixture is allowed to complete a reaction to give the polyurethane. The present invention further relates to polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: June 11, 2019
    Assignee: BASF SE
    Inventor: Iran Otero Martinez
  • Patent number: 10308759
    Abstract: The present invention encompasses CO2-based polycarbonate polyols that do not degrade from the chain ends to form cyclic carbonate. Importantly, the inventive polyol compositions retain —OH end group functionality desirable for thermoset applications.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: June 4, 2019
    Assignee: Saudi Aramco Technologies Company
    Inventor: Christopher A. Simoneau
  • Patent number: 10308753
    Abstract: An ionic diol has formula wherein R1 represents an alkyl group having from 6 to 18 carbon atoms; R2 and R3 independently represent alkyl groups having from 1 to 4 carbon atoms; R4 represents an alkylene group having from 2 to 8 carbon atoms; and R5 represents an alkylene group having from 1 to 8 carbon atoms. Antistatic polymers are formed by copolymerization of monomers including a diisocyanate, an ionic diol, a polyether diol, and at least one non-ionic diols. Methods of making the antistatic polyurethanes are also disclosed.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: June 4, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Yu Yang, Jason M. Kehren, Yongshang Lu, Suresh S. Iyer, William M. Lamanna, Thomas P. Klun, Jeffrey A. Peterson
  • Patent number: 10308756
    Abstract: Provided is a polymerizable composition for an optical material including (A) an amine having two or more secondary amino groups, (B) an isocyanate having two or more isocyanato groups, and (C) a thiol having three or more mercapto groups, in which the ratio (a/b) of the molar number a of amino groups in the amine (A) with respect to the molar number b of isocyanato groups in the isocyanate (B) is in the range of 0.10 to 0.60.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: June 4, 2019
    Inventor: Nobuo Kawato
  • Patent number: 10294198
    Abstract: The invention relates to a method for producing the isomers 1,3- and/or 1,4-xylylene diisocyanates by reacting the corresponding 1,3- and/or 1,4-xylylene diamines with phosgene in the gaseous phase.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: May 21, 2019
    Inventors: Reinhard Halpaap, Ralph Weber, Josef Sanders, Frank Richter, Elsa Karoline Schadlich, Armin Schymura, Martin Ehrig, Sebastian Hoch, Robert Maleika
  • Patent number: 10273332
    Abstract: Polyester polyols made from recycled polyethylene terephthalate (rPET) and processes for making them are disclosed. The rPET is heated with a C3-C10 glycol reactant to give a digested intermediate comprising glycols and a terephthalate component, which comprises 45 to 70 wt. % of bis(hydroxyalkyl)terephthalates, and preferably lesser amounts of terephthalate dimers and trimers. Treatment of the digested intermediate with activated carbon gives a polyester polyol having a color index less than 20. The polyols have desirable hydroxyl numbers, viscosities, appearance, and other attributes for formulating polyurethane products and are a sustainable alternative to bio- or petrochemical-based polyols.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: April 30, 2019
    Inventors: Rick Tabor, Eric D. Vrabel, Kevin Anthony Rogers, Shakti L. Mukerjee, Matthew J. Beatty, Adam William Emerson, Matthew T. Brown, Jack Rogers Kovsky, Michael D. Kellerman, Michael Robert Christy
  • Patent number: 10266639
    Abstract: The present invention provides a polyisocyanate composition comprising a modified polyisocyanate obtained by a reaction between a polyisocyanate and a polyalkylene glycol alkyl ether having a specific structure. In the polyisocyanate composition, the average number of isocyanate functional groups is 1.8 or more and 4.0 or less, the moiety derived from the polyalkylene glycol alkyl ether in the modified polyisocyanate is contained in an amount of 10 mass % or more and 18 mass % or less based on the total amount of the polyisocyanate composition, and the polydispersity index of molecular weight distribution of the moiety derived from the polyalkylene glycol alkyl ether in the modified polyisocyanate is 1.05 or more and 2.00 or less.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: April 23, 2019
    Inventors: Kazuko Nakajima, Shinichiro Watanabe, Shigetoshi Otoyama
  • Patent number: 10253450
    Abstract: The invention relates to preparations containing at least one blocked polyisocyanate and at least one oleophobic and/or hydrophobic finishing agent, and to the use of said preparation for the oleophobic and/or hydrophobic finishing of sheet material, in particular textiles.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: April 9, 2019
    Assignee: RUDOLF GMBH
    Inventors: Dirk Sielemann, Christine Albert, Gunther Duschek
  • Patent number: 10246780
    Abstract: An incombustible color-coated steel sheet for household appliances and building materials and a method for manufacturing the same, includes a flame-retardant coating composition that is a colored coating composition coated on a base steel sheet so that the coated steel sheet can have more than a certain level of flame-retardant properties and can also exhibit excellent physical properties, including processability, coating adhesion, corrosion resistance, and hardness.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: April 2, 2019
    Assignee: Hyundai Steel Company
    Inventors: Jong-Mun Jang, Min-Yeong Jeong, Hye-Ri Kim, Yong-Soo Jeong, Yong Hee Kim
  • Patent number: 10240110
    Abstract: The present invention relates to novel polyurethanes and to mixtures of such polyurethanes, to processes for their preparation, to their use for producing preparations comprising water and to preparations which comprise the polyurethanes. In particular, the invention relates to water-dispersible polyurethane with an essentially linear backbone composed of alternating hydrophilic and hydrophobic sections.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: March 26, 2019
    Assignee: BASF SE
    Inventors: Holger Türk, Volker Wendel
  • Patent number: 10227516
    Abstract: Disclosed is an adhesive for food packaging films, comprising a urethane resin obtainable by mixing: (A) a polyesterpolyurethane polyol; (B) a polyester polyol; and (C) an isocyanate component. The polyesterpolyurethane polyol (A) is obtainable by chain extension of (a1) a polyester polyol with (a2) an isocyanate compound. The equivalent ratio (NCO/OH) of the isocyanate group of the isocyanate compound (a2) to the hydroxyl group of the polyester polyol (a1) is 0.6 to 0.85. The polyester polyol (B) has a glass transition temperature of ?20 to 10° C. Also disclosed is a food packaging film comprising the adhesive.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: March 12, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Noriyoshi Kamai, Yasushi Yamada, Hitoshi Ikeda
  • Patent number: 10207261
    Abstract: The present invention provides a photolatent Ti-chelate catalyst formulation, comprising (i) at least one compound of the formula (I) wherein R1 is C1-C20alkyl or C2-C20alkyl which is interrupted by one or more non-consecutive O-atoms; Y is formula (II) or optionally substituted phenyl; Y1 is formula (III) or optionally substituted phenyl; Y2 is formula (IV) or optionally substituted phenyl; Y3 is formula (V) or optionally substituted phenyl; R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are hydrogen, halogen, optionally substituted C1-C20alkyl, or R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are optionally substituted C6-C14aryl, provided that only one of R2, R3, R4 is hydrogen and only one of R5, R6, R7 is hydrogen and only one of R8, R9, R10 is hydrogen and only one of R11, R12, R13 is hydrogen; and (ii) at least one chelate ligand compound of the formula IIa, IIb or IIc, wherein Y? is formula (VI) or formula (VII); Y?1 is formula (VI
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: February 19, 2019
    Assignee: BASF SE
    Inventors: Tobias Hintermann, Didier Bauer, Antoine Carroy, Caroline Lordelot, Rachel Kohli Steck
  • Patent number: 10167369
    Abstract: The present invention relates to storage-stable prepregs (preimpregnated fibers) on the basis of lightfast, low-viscous polyurethane systems with an increased characteristic number and flat fiber composite components (molded bodies; composite compounds) produced therefrom, which can be obtained by methods of impregnation of, for example, woven fabrics and laid scrims, and to a method for the production thereof. The polyurethane system can comprise a reaction product of a reaction mixture of an isocyanate component and a polyol formulation. The isocyanate component comprises an organic isocyanate. The polyol formulation comprises a polyol component, a dianhydrohexitol, a latent catalyst, and optionally auxiliaries and/or additives.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: January 1, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Marcel Schornstein, Florian Hupka, Dirk Wegener, Harald Rasselnberg
  • Patent number: 10155891
    Abstract: A one-component structural adhesive comprising an isocyanate-terminated prepolymer having polymerized residues of: (a) 40 to 95 wt % of a polytetramethylene ether glycol; and (b) 5 to 60 wt % of an aliphatic diisocyanate.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: December 18, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Andreas Lutz, Daniel Schneider
  • Patent number: 10144799
    Abstract: A one-component curable resin composition that does not contain an isocyanate compound, comprised of uniformly blended (A) a compound having two or more epoxy groups within a molecule, (B) a compound having two or more thiol groups within a molecule, and (C) an imidazole compound of formula (I), wherein the component (C) exists in the form of liquid.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: December 4, 2018
    Inventors: Ryo Ogawa, Takuya Matsuda
  • Patent number: 10131737
    Abstract: The present disclosure provides a method for reducing the aldehyde content in an amine catalyst by treating the amine catalyst with a treating agent selected from a cyclic urea substituted with at least one isocyanate reactive group, a free radical scavenger and a mixture thereof. The treated amine catalyst may then be used in the production of polyurethane materials which exhibit reduced aldehyde emissions.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 20, 2018
    Inventors: Ernest L Rister, Jr., Srinivasa S Godavarthy, Henry Robertson, Robert A Grigsby, Jr., Robert B Moore, Geert Lodewijk Dries, Eugene P Wiltz, Jr.
  • Patent number: 10125217
    Abstract: The invention relates to a process for producing polyether carbonate polyols through an addition reaction of alkylene oxides and carbon dioxide onto one or more H-functional starter substances in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, characterized in that one or more H-functional starter substances containing at least 1000 ppm of component (K) is/are continuously metered into the reactor during the reaction, where component (K) is selected from at least one compound containing a phosphorus-oxygen bond and a phosphorus compound that can form one or more P—O bonds through reaction with OH-functional compounds.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: November 13, 2018
    Inventors: Jörg Hofmann, Hans-Georg Pirkl, Kai Laemmerhold, Hartmut Nefzger, Matthias Wohak, Stefanie Braun, Christoph Gürtler, Aurel Wolf, Jens Langanke
  • Patent number: 10118136
    Abstract: The invention relates to polyimide membranes and to a phase inversion method for the production thereof. The polyimide membranes can be used to separate different gas mixtures.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: November 6, 2018
    Assignee: Evonik Fibres GmbH
    Inventors: Markus Ungerank, Goetz Baumgarten
  • Patent number: 10112375
    Abstract: Disclosed herein is a dry, self-supporting fibrous material, the fibers of which have been treated with a binder composition. The fibrous material can be slit into tapes or tows that are suitable for use in an Automated Tape Laying (ATL) or Automated Fiber Placement (AFP) process. This fibrous material is suitable for forming preforms which are configured to receive a matrix resin by resin infusion in the manufacturing of structural composite parts.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: October 30, 2018
    Assignee: Cytec Industries Inc.
    Inventors: Dominique Ponsolle, Carmelo Luca Restuccia, William Jacobs, Robert Blackburn, Carmelo LoFaro, Richard Price, Marc Doyle, Mitchell Smith, Abdel Abusafieh
  • Patent number: 10093766
    Abstract: A two-component polyurethane composition with a viscosity of 20 to 3000 mPa·s (EN ISO 2555, 25° C.), containing i) 10 to 80 wt. % of at least one polyol with a number-average molecular weight of 200 g/mol to 3000 g/mol, ii) 5 to 70 wt. % of at least one polyisocyanate, iii) 0 to 10 wt. % of a catalyst, wherein the composition has an NCO:OH ratio of 2:1 to 1:2 and polyisocyanates are used, wherein 3 to 25 mol % of the NCO groups of the polyisocyanate are converted into carbodiimide and/or uretonimine. The two-component polyurethane compositions are used as matrix binders for fiber composite moldings.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: October 9, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: Andreas Ferencz, Lothar Thiele, Tamara Schmidt, Konrad Becker, Wolfgang Lupp, Dustin Ullmann, Oliver-Kei Okamoto