Patents Assigned to Bayer MaterialScience LLC
  • TWO-COMPONENT WATERBORNE POLYURETHANE COATINGS
    Publication number: 20110251332
    Abstract: A polyaziridine introduced into a two-component waterborne polyurethane dispersion coating system increases the cure rate of a coating composition formed from the coating system.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 13, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: Kathy Allen, Jeanette Eastman, Kurt E. Best
  • Polyurethane dispersions based on polycarbonate polyols and suitable for use in personal care products
    Patent number: 8034322
    Abstract: The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: October 11, 2011
    Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AG
    Inventors: Yuliya Berezkin, Peter D. Schmitt, Serkan Unal
  • Concrete repair process
    Patent number: 8029854
    Abstract: The present invention provides a process for repairing concrete involving filling one of a void, gap or seam in the concrete with a polyurethane sealant containing a silane terminated prepolymer (“STP”), and a catalyst, optionally, one or more of plasticizers, fillers, pigments, drying agents, light stabilizers, antioxidants. thixotropic agents and bonding agents and applying an isocyanate-terminated prepolymer containing polyurethane or polyurea coating to the silane terminated prepolymer polyurethane sealant.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: October 4, 2011
    Assignee: Bayer MaterialScience LLC
    Inventor: Jay A. Johnston
  • Process for the production of toluene diisocyanate
    Patent number: 8030522
    Abstract: The invention relates to a process for the production of toluene diisocyanate, in which the crude toluenediamine obtained from the hydrogenation is purified and then phosgenated. The purification step reduces the total amount of cyclic ketones to less than 0.1% by weight, based on 100% by weight of the toluenediamine.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 4, 2011
    Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AG
    Inventors: Joachim Zechlin, Bernd Pennemann, Friedhelm Steffens, Wenbin Ji
  • LOW TEMPERATURE CURING POLYURETDIONE COMPOSITIONS
    Publication number: 20110229645
    Abstract: Composition and process for low temperature curing of polyuretdione-polyol compositions in which the polyuretdione is prepared from a polyisocyanate with isocyanate groups and a polyol containing primary hydroxyl groups. The catalyst for the composition and process is an amine catalyst containing the group —N?C—N—, being aprotic, having a pKa greater than 20 and upon addition to the liquid coating composition causing a phase-change of the coating composition from liquid to solid at 25° C. and 1 atm. within one week.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 22, 2011
    Applicants: Bayer MaterialScience LLC, Bayer MaterialScience AG, PPG Industries, Inc.
    Inventors: Myron W. Shaffer, Abdullah Ekin, Carol L. Kinney, Dorota Greszta-Franz, Jonathan T. Martz, Jun Deng, Deborah E. Hayes, Stephen J. Thomas
  • PROCESS FOR THE PRODUCTION OF POLYETHER POLYOLS WITH A HIGH ETHYLENE OXIDE CONTENT
    Publication number: 20110230581
    Abstract: Polyether polyols with an OH number of from 15 to 120 mg of KOH/g are produced by (i) introducing a mixture of DMC catalyst and a poly(oxyalkylene)polyol or a mixture of DMC catalyst and a polyether polyol (“heel”) obtainable by the process according to the invention is initially into a reactor and (ii) continuously introducing one (or more) low molecular weight starter compound(s) with a (mixed) hydroxyl functionality of from 2.2 to 6.0 and a mixture composed of a) 73 to 80 parts by weight (per 100 parts by weight of a) plus b)) of ethylene oxide and b) 27 to 20 parts by weight (per 100 parts by weight of a) plus b)) of at least one substituted alkylene oxide corresponding to a specified formula into the mixture from step (i). These polyether polyols are particularly useful for the production of flexible polyurethane foams.
    Type: Application
    Filed: March 17, 2010
    Publication date: September 22, 2011
    Applicants: Bayer MaterialScience LLC, Bayer MaterialScience AG
    Inventors: Bert Klescewski, Jörg Hofmann, Klaus Lorenz, Jack R. Reese, Jose F. Pazos
  • Spray-applied polyurethaneurea composites based on polyisocyanate prepolymers containing soft-segments
    Patent number: 8003205
    Abstract: This invention relates to sprayable polyurethaneurea compositions, composite articles comprising at least one layer of these polyurethaneurea compositions and at least one layer of a polyurethaneurea foam forming composition, and to a process for the production of these composites.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: August 23, 2011
    Assignee: Bayer MaterialScience LLC
    Inventor: James W. Rosthauser
  • THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS
    Publication number: 20110177344
    Abstract: Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of aliphatic thermoplastic urethane elastomer and an olefin-containing block copolymer crosslinked to a gel content of from 5 to 95%. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements.
    Type: Application
    Filed: August 8, 2008
    Publication date: July 21, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: William M. Humphrey, Paul Drago, Jeffrey S. Armour, Jim E. Ingram, James R. Charron
  • Impact resistant, flame retardant thermoplastic molding composition
    Patent number: 7977415
    Abstract: A thermoplastic molding composition characterized by its flame retardance and impact strength is disclosed. The composition contains (A) linear aromatic (co)polycarbonate, (B) a graft (co)polymer having core-shell morphology, the shell containing polymerized alkyl(meth)acrylate and the core containing interpenetrated and inseparable polyorganosiloxane and poly(meth)alkyl acrylate components, (C) a phosphorous-containing flame retardant compound, (D) fluorinated polyolefin and (E) a boron compound, and optionally SAN. The composition is further characterized in that it contains no polyalkylene terephthalate.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: July 12, 2011
    Assignee: Bayer MaterialScience LLC
    Inventor: Marina Rogunova
  • Polyether carbonate polyols made via double metal cyanide (DMC) catalysis
    Patent number: 7977501
    Abstract: The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190° C. and in the presence of from about 0.001 wt. % to about 0.2 wt. % of a substantially non-crystalline double metal cyanide (DMC) catalyst, wherein the polyol has an incorporated carbon dioxide content of from about 1 wt. % to about 40 wt. %, wherein the ratio of cyclic carbonate by-product to total carbonate is less than about 0.3 and wherein the weight percentages are based on the weight of the polyol. The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: July 12, 2011
    Assignee: Bayer MaterialScience LLC
    Inventors: Karl W. Haider, Kenneth G. McDaniel, John E. Hayes, Jianzhong Shen
  • Coating compositions containing ethylenically unsaturated polyurethanes as binders
    Patent number: 7956098
    Abstract: The present invention relates to a binder-containing coating composition, which may be cured by free radical polymerization, wherein the binder resins contain A) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxyl compounds containing two ethylenically unsaturated groups, B) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional lactone ester (meth)acrylates having a number average molecular weight of about 200 to 2,000, and C) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional (meth)acrylates.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: June 7, 2011
    Assignee: Bayer MaterialScience LLC
    Inventors: Richard R. Roesler, Charles A. Gambino, Catherine M. Britsch
  • Hydrolytic stability of polycarbonate containing rubber modifier
    Publication number: 20110130517
    Abstract: The present invention provides a thermoplastic molding composition containing an aromatic polycarbonate and a core-shell graft copolymer which is coagulated with a salt of a metal element selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium. The molding composition may optionally include a polyalkylene terephthalate. The inventive thermoplastic molding composition exhibits improved hydrolytic stability over a comparable thermoplastic molding composition produced with a core shell graft copolymer coagulated with a salt of a metal element not selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 2, 2011
    Applicant: Bayer MaterialScience LLC
    Inventor: Xiangyang Li
  • PROCESS FOR THE PRODUCTION OF MEDIUM DENSITY DECORATIVE MOLDED FOAMS HAVING GOOD FIRE RETARDANT PROPERTIES WITH REDUCED MOLD TIMES, FIRE RETARDANT COMPOSITIONS AND FOAMS PRODUCED BY THIS PROCESS
    Publication number: 20110118369
    Abstract: Fire-resistant, medium density molded polyurethane foams which may be removed from a mold in substantially shorter times than previously possible are produced by the process of the present invention. These reduced de-mold times are achieved by including a solid flame retardant composition in the polyurethane foam forming composition. This solid flame retardant composition includes a melamine coated ammonium polyphosphate and zinc borate.
    Type: Application
    Filed: November 18, 2009
    Publication date: May 19, 2011
    Applicant: Bayer MaterialScience LLC
    Inventor: James W. Rosthauser
  • THERMOPLASTIC ALIPHATIC URETHANE/UREA MOLDING COMPOSITIONS
    Publication number: 20110105673
    Abstract: Compositions for forming molded articles, particularly, shells for automotive applications are made up of an aliphatic thermoplastic urethane/urea elastomer and, optionally, one or more copolymers, such as an olefin-containing or styrene containing copolymer. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements.
    Type: Application
    Filed: August 8, 2008
    Publication date: May 5, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: William M. Humphrey, Paul Drago, Terry L. Anderson
  • Apparatus and process for treating an article to impart color and/or enhance the properties of that article
    Patent number: 7921680
    Abstract: A process and an apparatus for treating large articles to impart color or performance enhancing additives to the article in which a treatment system which includes: (i) a coloring solution and/or a solution containing at least one performance enhancing additive, (ii) water, and (iii) a solvent such as ethylene glycol monobutyl ether and diethylene glycol is applied to the article.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: April 12, 2011
    Assignee: Bayer MaterialScience LLC
    Inventors: Edward F. Kaczkowski, Robert A. Pyles, Daniel E. Jaskiewicz, Rick L. Archey, George See, Ronald J. Rathi
  • Starter feed stream acidification in DMC-catalyzed process
    Patent number: 7919575
    Abstract: The process of the present invention provides for the manufacture of lower molecular weight DMC-catalyzed polyols than is possible using non-acidified continuous addition of starter (CAOS) feeds, by adding excess acid to a starter feed stream over that required for mere neutralization of the basicity of the starter. The benefits of the invention also extend to starters which do not contain basicity. Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: April 5, 2011
    Assignee: Bayer MaterialScience LLC
    Inventor: Edward Browne
  • THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS
    Publication number: 20110077346
    Abstract: Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of an aliphatic thermoplastic urethane elastomer and one or more polyolefin-based modifiers. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements.
    Type: Application
    Filed: August 8, 2008
    Publication date: March 31, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: William M. Humphrey, Paul Drago, Terry L. Anderson, James R. Charron
  • FLAME RETARDANT, OPTICALLY CLEAR THERMOPLASTIC MOLDING COMPOSITION
    Publication number: 20110071241
    Abstract: The present invention relates to a flame-retardant, optically clear thermoplastic molding composition. The composition contains a A) about 60 pbw to about 97 pbw of a polycarbonate, B) about 1 pbw to about 20 pbw of bromine-substituted oligocarbonate, C) about 1 pbw to about 20 pbw of a phosphorus-containing compound and D) about 0.01 pbw to about 1 pbw of at least one alkali or alkaline-earth salt of perfluoroalkane sulfonic acid and optionally E) about 0.01 to about 1 pbw of a phosphite antioxidant/stabilizer. In accordance with UL-94 standard the flame-retardant, optically clear thermoplastic molding composition is rated 5VA at 3.00 mm and V-0 at 2.3 mm, more preferably V-0 at 1.5 mm according to UL-94.
    Type: Application
    Filed: September 23, 2009
    Publication date: March 24, 2011
    Applicants: Bayer MaterialScience LLC
    Inventors: Marina Rogunova, Nicolas Sunderland, James P. Mason, Hans Franssen, Berit Krauter
  • AQUEOUS FLOOR COATINGS BASED ON UV-CURABLE POLYURETHANE DISPERSONS
    Publication number: 20110059262
    Abstract: The present invention is directed to a process for coating a wood substrate, the coating composition curable by radiation having a wavelength of 320 nm to 450 nm and the coated product so-produced.
    Type: Application
    Filed: March 4, 2009
    Publication date: March 10, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: Aaron A. Lockhart, Robert A. Wade, Michael J. Dvorchak, Clifford M. Bridges
  • ALIPHATIC MOISTURE-CURABLE RESINS, COATING COMPOSITIONS, AND RELATED PROCESSES
    Publication number: 20110054141
    Abstract: The present disclosure is directed to an aliphatic isocyanate-based moisture-curable resin. The disclosed resin may include an aliphatic isocyanate functional material and an cycloaliphatic isocyanate functional material. The resin may be used to formulate a coating composition that may exhibit no substantial sag when applied at a wet film thickness of at least 6 mils, and no substantial blistering when cured to a dry film thickness of at least 6 mils.
    Type: Application
    Filed: August 27, 2009
    Publication date: March 3, 2011
    Applicant: Bayer MaterialScience LLC
    Inventors: Kurt E. Best, Michael K. Jeffries, Ahren Olson, Carl Angeloff