Patents by Inventor Marina UEDA

Marina UEDA 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).

  • Publication number: 20240010763
    Abstract: A polyolefin-based resin composition of the present invention contains a polyolefin-based resin (A) and a light stabilizer (B), in which the light stabilizer (B) includes a predetermined hindered amine compound (B-1) and a predetermined phenol-based antioxidant (B-2), where the polyolefin-based resin composition is composed such that a value of the brightness increase ratio [L* (2,040 h)?L* (0 h)]/L* (0 h) before and after the weather resistance test is ?0.05 or more and less than 0.1.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 11, 2024
    Applicant: ADEKA CORPORATION
    Inventors: Kenji YAMASHITA, Tomohiro HIDANO, Marina UEDA, Takashi AYABE
  • Publication number: 20240002635
    Abstract: A polyolefin-based resin composition of the present invention contains a polyolefin-based resin (A) and a light stabilizer (B), in which the light stabilizer (B) includes a predetermined hindered amine compound (B-1) and a predetermined phenol-based antioxidant (B-2).
    Type: Application
    Filed: October 8, 2021
    Publication date: January 4, 2024
    Applicant: ADEKA CORPORATION
    Inventors: Kenji YAMASHITA, Tomohiro HIDANO, Marina UEDA, Takashi AYABE
  • Publication number: 20230374267
    Abstract: A light stabilizer masterbatch contains a polypropylene-based resin (A) and a light stabilizer (B), where the light stabilizer masterbatch is composed such that the light stabilizer (B) includes a hindered amine compound (B-1) including one or two or more predetermined compounds and includes a predetermined phenol-based antioxidant (B-2), the content of the light stabilizer (B) with respect to 100 parts by mass of the polypropylene-based resin (A) is more than 10 parts by mass.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 23, 2023
    Applicant: ADEKA CORPORATION
    Inventors: Kenji YAMASHITA, Tomohiro HIDANO, Marina UEDA, Takashi AYABE