Patents by Inventor Nozomi AKIYAMA

Nozomi AKIYAMA 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).

  • Wholly aromatic liquid crystalline polyester resin
    Patent number: 10968347
    Abstract: Provided is a wholly aromatic liquid crystalline polyester resin having excellent heat resistance and formability. The wholly aromatic liquid crystalline polyester resin comprises structural units represented by the following formulae (I) to (V) as essential structural units, wherein the composition ratio (mol %) of the structural units (I) to (V) in the wholly aromatic liquid crystalline polyester satisfies the following conditions: 50 mol %?structural unit (I)?75 mol %; 6 mol %?structural unit (II)?20 mol %; 1 mol %?structural unit (III)?21.5 mol %; 0.5 mol %?structural unit (IV)?10.5 mol %; 2.5 mol %?structural unit (V)?22 mol %; structural unit (III)>structural unit (IV).
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: April 6, 2021
    Assignee: JXTG NIPPON OIL & ENERGY CORPORATION
    Inventors: Nozomi Akiyama, Hiroshi Matsuura
  • WHOLLY AROMATIC LIQUID CRYSTALLINE POLYESTER RESIN
    Publication number: 20190300700
    Abstract: [Problem] Provided is a wholly aromatic liquid crystalline polyester resin having excellent heat resistance and formability. [Solving means] The wholly aromatic liquid crystalline polyester resin according to the present invention comprises structural units represented by the following formulae (I) to (V) as essential structural units, wherein the composition ratio (mol %) of the structural units (I) to (V) in the wholly aromatic liquid crystalline polyester satisfies the following condition: 50 mol %?structural unit (I)?75 mol % 6 mol %?structural unit (II)?20 mol % 1 mol %?structural unit (III)?21.5 mol % 0.5 mol %?structural unit (IV)?10.5 mol % 2.5 mol %?structural unit (V)?22 mol % structural unit (III)>structural unit (IV).
    Type: Application
    Filed: November 27, 2017
    Publication date: October 3, 2019
    Applicant: JXTG NIPPON OIL & ENERGY CORPORATION
    Inventors: Nozomi AKIYAMA, Hiroshi MATSUURA