Patents Examined by Patrick Niland
  • Patent number: 9663663
    Abstract: A polyurethane or polyurea coating composition for use in protecting a leading edge substrate on an airfoil, such as aircraft wings, rotor blades and propeller blades, against liquid or solid particle erosion, the composition made from a polyisocyanate and curing agents, such as polyaspartic esters, aldimines and ketimines, polyamines and polyols or mixtures thereof with optional flatting agent for matte coatings.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 30, 2017
    Assignee: Hontek Corporation
    Inventor: Shek C. Hong
  • Patent number: 9663607
    Abstract: The present invention is a process for preparing an aqueous solution of a hydrophobically modified alkylene oxide poly(urethane-urea-allophanate) thickener by contacting isocyanate reactive groups with a stoichiometric excess of a diisocyanate, followed by reaction with water. The thickener surprisingly shows a maintenance or improvement in hiding in paint formulations while maintaining other critical rheological properties.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: May 30, 2017
    Assignee: ROHM AND HAAS COMPANY
    Inventors: John J. Rabasco, Antony K. Van Dyk
  • Patent number: 9657186
    Abstract: In one aspect, inks for use with a three dimensional printing system are described herein. In some embodiments, an ink for use in a three dimensional printing system comprises about 10-95 weight % polymerizable component and about 3-25 weight % non-reactive wax component, wherein the ink when cured has a Tg greater than the melting point of the non-reactive wax component.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 23, 2017
    Assignee: 3D Systems, Inc.
    Inventor: Pingyong Xu
  • Patent number: 9657134
    Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one polyol different from the branched polyol and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyether polyol and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 23, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Thomas G Rukavina, Robert M Hunia, Caroline S Harris, Veronica L Frain
  • Patent number: 9650531
    Abstract: In accordance with one embodiment, an ink composition for inkjet recording comprises a pigment, a pigment dispersant, water, a water-soluble solvent, a wettability enhancer including 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and an aqueous resin emulsion.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: May 16, 2017
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Hiroshi Kiyomoto, Takaya Kitawaki
  • Patent number: 9637667
    Abstract: The present invention describes reaction products from 2,4?-diphenylmethane diisocyanate with a content of at least 95 wt. % of 2,4? isomer with at least one polyether-polyol and/or polyalkylene glycol with a molecular weight of less than 1,000 and/or one crystalline or partly crystalline or vitreously amorphous polyester-polyol and optionally polyester-polyols and/or polyether-polyols which are liquid at room temperature and have molecular weights of greater than 1,000 can be converted into adhesive compositions which have a very low content of monomeric diisocyanate of less than 0.5, preferably less than 0.25 wt. %. Such hot melt adhesive compositions have a high melt stability and a low viscosity, in addition to the low content of monomeric diisocyanate.
    Type: Grant
    Filed: April 12, 2004
    Date of Patent: May 2, 2017
    Assignee: Henkel AG & Co. KGaA
    Inventors: Michael Krebs, Katja Brosa, Andreas Brenger, Uwe Franken, Christoph Lohr
  • Patent number: 9631108
    Abstract: This disclosure relates to an ink composition (e.g., a hot melt ink composition or a radiation curable ink composition) that has a relatively low conductivity. This disclosure also relates to a continuous printing process using such a composition and a product containing such a composition.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: April 25, 2017
    Assignee: Markem-Imaje Corporation
    Inventors: Michael P. Secord, Richard C. Woudenberg, Joyce Bemis
  • Patent number: 9631107
    Abstract: This disclosure relates to an ink composition (e.g., a hot melt ink composition or a radiation curable ink composition) that has a relatively low conductivity. This disclosure also relates to a continuous printing process using such a composition and a product containing such a composition.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: April 25, 2017
    Assignee: Markem-Imaje Corporation
    Inventors: Michael P. Secord, Richard C. Woudenberg, Joyce Bemis
  • Patent number: 9623442
    Abstract: A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 50° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 260° C. for at least 30 minutes.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: April 18, 2017
    Assignee: XEROX CORPORATION
    Inventors: Varun Sambhy, Kock-Yee Law, Hong Zhao, Darren Smith
  • Patent number: 9617453
    Abstract: Substantially solvent-free aqueous polyurethane dispersions and methods of making and using the same are provided. The substantially solvent-free aqueous polyurethane dispersions are provided in a substantially solvent-free system of a prepolymer made by reacting at least one polyol, at least one polyisocyanate, at least one isocyanate-reactive compound comprising one or more ionic or potential ionic groups, and at least one isocyanate chain terminating agent.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: April 11, 2017
    Assignee: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: Keith Douglas Campbell, Shiying Zheng, Shafiq Nisarali Fazel
  • Patent number: 9616675
    Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: April 11, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 9605164
    Abstract: Low solids coating compositions having polyurea rheology control agents, methods for making such coating compositions, and systems for making such coating compositions are provided. In accordance with an exemplary embodiment, a coating composition with no more than 30 weight percent nonvolatile content includes a colorant, a polyurea rheology control agent comprising polyurea crystals and a moderating resin, a film forming binder resin, and a solvent.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: March 28, 2017
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Yongqing Huang, Gary W. Nickel, Renee J. Kelly, Sheau-Hwa Ma, Beatriz E. Rodriguez-Douglas, Brian E. Priore
  • Patent number: 9605167
    Abstract: The present invention relates to the field of heat sensitive optically variable inks and tamper indicating markings obtained thereof. The present invention relates to the field of irreversible changes in color and/or changes in structure upon a tampering attempt against articles or items comprising said tamper indicating markings through the use of temperature variation. In particular, the present invention provides optically variable ink compositions comprising a plurality of optically variable pigment particles and a plurality of thermally expandable spheres; tamper indicating marking comprising the optically variable ink compositions described herein; their uses as a proof of an illegal action as well as methods for detecting a tampering activity of a marking including the optically variable ink composition described herein.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: March 28, 2017
    Assignee: SICPA HOLDING SA
    Inventors: Toni Lee Gazaway, Thomas Classick, John Vereen, Hau Lieu
  • Patent number: 9593248
    Abstract: Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: March 14, 2017
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Soh Noguchi, Okitoshi Kimura
  • Patent number: 9593196
    Abstract: The present invention relates to zinc(II) complex compounds of the formula Zn(L)x(Y)2-x, wherein the ligand L has the formula (I). Such complex compounds are particularly suitable as catalysts for two-component polyurethane compositions. The invention also relates to two-component polyurethane compositions including at least one polyisocyanate as a first component, at least one polyol as a second component and at least one such zinc(II) complex compound as a catalyst. In addition, the invention relates to various uses of these two-component polyurethane compositions.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: March 14, 2017
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Urs Burckhardt, Rita Cannas
  • Patent number: 9580538
    Abstract: A robust, two component adhesive for laminating flexible packaging material comprising a mixture of Component A and Component B. Component A comprises an isocyanate-functionalized compound. Component B comprises a mixture of a high functionality polyol containing at least four hydroxyl groups per molecule with at least two primary OH groups on the molecule and two secondary OH groups on the molecule and a trifunctional polyol containing three OH groups on the molecule. Component B can contain a difunctional polyol containing two OH groups on the molecule. The adhesive is robust and retains desirable properties when used at varying A:B mix ratios better than conventional laminating adhesives used at the same mix ratios.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: February 28, 2017
    Assignee: Henkel IP & Holding GmbH
    Inventors: Guido Kollbach, Balasubramaniam Ramalingam
  • Patent number: 9567504
    Abstract: An acrylic-polyurethane hybrid sealant composition is provided with desirable physical and mechanical properties such as superior adhesion, tensile strength, rheology and bond strength. In particular, the sealant composition of the invention is formulated with isocyanate modified acrylic polymer The composition includes an acrylic pre-polymer, an isocyante functional monomer, a triacrylate as a cross-linker, and a catalyst. A process for preparing the composition is also provided. The hybrid sealant composition is well suited for sealing and bonding requirements in fabrication of articles such as window glazing, back bedding, construction, aerospace and appliances industries. A hybrid sealant composition is provided that develops adequate adhesion and bond strength equivalent to commercially available sealants when used in sealing and bonding applications and is readily formulated to be self-leveling. Articles so fabricated using the hybrid sealant composition are also provided.
    Type: Grant
    Filed: June 16, 2012
    Date of Patent: February 14, 2017
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Mona Kulkarni, Nagesh Chitnavis, Subodh Deshpande, Nader Sahawneh
  • Patent number: 9567499
    Abstract: The invention relates to a crosslinking two-component polyurethane composition consisting of (i) a constituent A containing polyols and additives, and (ii) a constituent B containing between 100 and 65 wt. % of aromatic polyisocyanates, between 0 and 35 wt. % of aliphatic polyisocyanates, and between 0.05 and 3.0 wt. % of a retarder, and optionally additives, the mixed composition having a viscosity (EN ISO 2555) of between 100 mPas and 3000 mPas at 25° C., and the crosslinked composition having a glass transition temperature (Tg) of higher than 50° C. and a pot life of longer than 60 minutes. The two-component polyurethane composition is suitable as an adhesive and as a matrix substance for composite materials.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 14, 2017
    Assignee: Henkel AG & Co. KGaA
    Inventors: Lothar Thiele, Oliver-Kei Okamoto, Werner Juettner
  • Patent number: 9556305
    Abstract: A non-cytotoxic polyether polyurethane elastomer is made by reacting a polyether triol, polyether diol, and polyether prepolymer terminated with toluene diisocyanate. The reaction is catalyzed with a zinc based catalyst, such as zinc neodecanoate. Silicone oil is also added to the reactants. The polyurethane elastomer is a solid, soft elastomer having a hardness of from 15 Shore 00 to 50 Shore A. The elastomer is particularly suited for use as padding in sleeves, splints and braces where it is in contact with human skin.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: January 31, 2017
    Assignee: Crosslink Technology Inc.
    Inventor: Jimmy Kung
  • Patent number: 9550874
    Abstract: Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof. Thus, the powdered material ensures high productivity. The powdered material is a powdered polyurethane urea resin composition which comprises (D) a polyurethane urea resin that has a total content of bimolecular condensate of acetone, bimolecular condensate of methyl ethyl ketone, and bimolecular condensate of methyl isobutyl ketone of 1,000 ppm or less and (N) an additive, wherein the polyurethane urea resin (D) takes the form of thermoplastic polyurethane urea resin particles (P) that have a volume-mean particle diameter of 20 to 500 ?m and that have protrusions and recesses on the surfaces.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: January 24, 2017
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Koichi Saito, Ko Kawasaki, Kakuhiro Kawaguchi, Yasuhiro Tsudo