Patents by Inventor Mihoko Nishimura

Mihoko Nishimura 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 COLLECTING FIBROUS FILLING MATERIAL AND e-CAPROLACTAM, AND METHOD OF PRODUCING POLYAMIDE 6
    Publication number: 20240352217
    Abstract: A method of collecting a fibrous filling material and ?-caprolactam includes adding a polyamide 6 resin composition (A) containing at least a fibrous filling material (D) and at least one of water (B) heated to 290° C. or higher and 350° C. or lower and a polyamide 6 oligomer aqueous solution (B1) heated to 290° C. or higher and 350° C. or lower to make contact with each other to obtain a mixture (C) containing at least the fibrous filling material (D), ?-caprolactam, a polyamide 6 oligomer, and the water (B), and collecting the fibrous filling material (D) and the ?-caprolactam from the mixture (C).
    Type: Application
    Filed: October 17, 2022
    Publication date: October 24, 2024
    Applicant: Toray Industries, Inc.
    Inventors: Kohei Yamashita, Akihiro Takahashi, Masashi Kato, Mihoko Nishimura, Koya Kato