Patents by Inventor Hideyasu NAKAO

Hideyasu NAKAO 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).

  • Polyethylene resin composition, laminate, and medical container
    Patent number: 11884799
    Abstract: A polyethylene resin composition comprising from 50 to 89 parts by weight of a linear low density polyethylene (A) having specific physical properties, from 10 to 40 parts by weight of a high density polyethylene (B) having specific physical properties, and from 1 to 20 parts by weight of a high pressure low density polyethylene (C) having specific physical properties (the total amount of (A), (B) and (C) is 100 parts by weight), and having MFR of from 3.0 to 9.0 g/10 min, is excellent in heat resistance, flexibility, barrier property and cleanness (low particle property), will not deform even after sterilization at 121° C., maintains high transparency and is excellent in processability in water cooling blown-film extrusion, and a medical container using it.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: January 30, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Hideyasu Nakao, Yoshiyuki Moro
  • POLYETHYLENE RESIN COMPOSITION, LAMINATE, AND MEDICAL CONTAINER
    Publication number: 20210214538
    Abstract: A polyethylene resin composition comprising from 50 to 89 parts by weight of a linear low density polyethylene (A) having specific physical properties, from 10 to 40 parts by weight of a high density polyethylene (B) having specific physical properties, and from 1 to 20 parts by weight of a high pressure low density polyethylene (C) having specific physical properties (the total amount of (A), (B) and (C) is 100 parts by weight), and having MFR of from 3.0 to 9.0 g/10 min, is excellent in heat resistance, flexibility, barrier property and cleanness (low particle property), will not deform even after sterilization at 121° C., maintains high transparency and is excellent in processability in water cooling blown-film extrusion, and a medical container using it.
    Type: Application
    Filed: September 6, 2019
    Publication date: July 15, 2021
    Applicant: TOSOH CORPORATION
    Inventors: Hideyasu NAKAO, Yoshiyuki MORO