Patents by Inventor Yuuko Nagasaki

Yuuko Nagasaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POLYURETHANE FOR PRINTING INK BINDERS, METHOD FOR PRODUCING THE SAME AND PRINTING INK
    Publication number: 20100197857
    Abstract: Provided is a polyurethane for printing ink binders excellent in solubility in a solvent having a low solvency, low viscosity and adhesion to films, and a method for producing the same. A method for producing urethane for printing ink binders, wherein a polyurethane is obtained by reacting a polyol (A), a polyisocyanate compound (B) and a chain extender (C), and the polyol (A) contains a polyesterether polyol (A1) which is obtained by copolymerizing a polycarboxylic acid anhydride (b) and an alkylene oxide (c) to an initiator (a) in the presence of a catalyst (x).
    Type: Application
    Filed: April 9, 2010
    Publication date: August 5, 2010
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yukio TSUGE, Hisashi Sato, Yuuko Nagasaki, Makito Nakamura, Takeaki Arai