Patents by Inventor Suguru FUKAZAWA

Suguru FUKAZAWA 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).

  • Catalyst for conjugated diene polymerization, conjugated diene polymer, modified conjugated diene polymer, polybutadiene, and compositions comprising foregoing
    Patent number: 10053526
    Abstract: A catalyst for a conjugated diene polymerization including a metal compound (A) containing terbium, lanthanum, dysprosium, praseodymium, holmium, erbium, thulium, or gadolinium, an ionic compound (B) consisting of a non-coordinating anion and a cation, and an organic metal compound (C) of an element selected from the groups 2, 12 and 13 of the periodic table; a process for producing a conjugated diene polymer and a modified conjugated diene polymer using the same; a conjugated diene polymer; and a modified conjugated diene polymer.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: August 21, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Koji Shiba, Yuta Yamada, Suguru Fukazawa, Naomi Okamoto
  • CATALYST FOR CONJUGATED DIENE POLYMERIZATION, CONJUGATED DIENE POLYMER, MODIFIED CONJUGATED DIENE POLYMER, POLYBUTADIENE, AND COMPOSITIONS COMPRISING FOREGOING
    Publication number: 20170158786
    Abstract: A catalyst for a conjugated diene polymerization including a metal compound (A) containing terbium, lanthanum, dysprosium, praseodymium, holmium, erbium, thulium, or gadolinium, an ionic compound (B) consisting of a non-coordinating anion and a cation, and an organic metal compound (C) of an element selected from the groups 2, 12 and 13 of the periodic table; a process for producing a conjugated diene polymer and a modified conjugated diene polymer using the same; a conjugated diene polymer; and a modified conjugated diene polymer.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 8, 2017
    Inventors: Koji SHIBA, Yuta YAMADA, Suguru FUKAZAWA, Naomi OKAMOTO