Patents by Inventor Chizuru Asahara

Chizuru Asahara 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).

  • METHOD OF PRODUCING POLYBUTYLENE TEREPHTHALATE RESIN PARTICLES, AND POLYBUTYLENE TEREPHTHALATE RESIN PARTICLES
    Publication number: 20200062892
    Abstract: A method produces polybutylene terephthalate resin particles, which includes (a) a step of heating a polybutylene terephthalate resin in an organic solvent to obtain a solution of a polybutylene terephthalate resin (dissolution step), and (b) a step of flash-cooling the solution to precipitate polybutylene terephthalate resin particles (precipitation step). The method produces PBT resin particles by a simple operation that can be performed industrially.
    Type: Application
    Filed: November 13, 2017
    Publication date: February 27, 2020
    Inventors: Chizuru Asahara, Koya Ito, Toshiya Takahashi, Kei Makita, Hisashi Miyama