With Ether Except Dialkylene Or Polyalkylene Glycol Patents (Class 106/193.1)
  • Acid suppressible rheology modifier stabilized with phosphoric acid ester surfactant
    Patent number: 9790345
    Abstract: The present invention relates to a composition comprising an aqueous solution of an acid suppressible hydrophobically modified alkylene oxide polymer and a phosphoric acid ester surfactant. The composition of the present invention provides a pourable thickener with high solids content and good phase stability.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: October 17, 2017
    Assignee: Rohm and Haas Company
    Inventors: Douglas R. Hawkins, Alvin M. Maurice, John J. Rabasco
  • Retardation film, manufacturing method thereof, and liquid crystal display device including the same
    Patent number: 9690138
    Abstract: There are provided a retardation film, a manufacturing method thereof, and a liquid crystal display device including the same. The retardation film includes 1) an acrylic film, 2) a coating layer of a negative C-type material, and 3) a primer layer including a copolymer containing an aromatic vinyl-based unit and a maleic acid-based unit, provided between the acrylic film and the coating layer of the negative C-type material. The retardation film may be used in an in-plane switching mode liquid crystal display device.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: June 27, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun-Wuk Park, Jeong-Min Choi, Nam-Jeong Lee
  • Alkoxylation products and process for preparing them by means of DMC catalysts
    Patent number: 9068044
    Abstract: Novel alkoxylation products containing lateral hydroxyl groups or bearing lateral C—C double bonds and a process for preparing them by means of an alkoxylation reaction of halogenated alkylene oxides using double metal cyanide (DMC) catalysts and subsequent elimination of chlorine.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: June 30, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Frank Schubert, Wilfried Knott