Patents Assigned to Mitsui Chemicals Asahi Life Materials Co., Ltd.
  • Patent number: 12017442
    Abstract: The present disclosure provides: a non-woven fabric for a sterilization packaging material, the non-woven fabric being capable of being compatible with all sterilization treatment methods and maintaining a sterile state in the interior without breaking even in a variety of environments in which the non-woven fabric can be assumed to be used as a sterilization packaging material; and a non-woven fabric for a sterilization packaging material, the non-woven fabric achieving both easy-peel properties that enable easy handling without breakage and barrier properties for retaining the sterile state in the interior.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: June 25, 2024
    Assignee: Mitsui Chemicals Asahi Life Materials Co., Ltd.
    Inventors: Junichi Kusakabe, Yusuke Sasaki, Masaaki Mori, Takashi Komatsu
  • Patent number: 12012679
    Abstract: A nonwoven fabric layered body includes a first nonwoven fabric layer including a crimped fiber (A), which is a fiber made of a thermoplastic polymer and which has an average crimp diameter of 800 ?m or less; and a hydrophilic agent.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: June 18, 2024
    Assignee: MITSUI CHEMICALS ASAHI LIFE MATERIALS CO., LTD.
    Inventors: Yusuke Sekioka, Shohei Saita, Kosuke Ota, Koichi Shimada, Taiichiro Ichikawa
  • Patent number: 11976394
    Abstract: Provided is a non-woven fabric which is suitable for cleaning wipers, diapers, food packaging materials, etc., and has excellent water absorption and handling performance. The non-woven fabric according to the present invention contains a thermoplastic biodegradable resin, and is characterized in that fibers constituting the non-woven fabric have crimps, the flexural rigidity index in the mechanical direction (MD) of the non-woven fabric is 7.77-37.4 as defined by the following equation: flexural rigidity index in the mechanical direction (MD)=flexural rigidity (gf·cm) in the mechanical direction (MD)/{basis weight(g/m2)}2.5×106, and the bulk density of the non-woven fabric is 0.098 g/cm3 to 0.251 g/cm3.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 7, 2024
    Assignee: Mitsui Chemicals Asahi Life Materials Co., Ltd.
    Inventors: Yuya Fujimoto, Rumina Obi, Takashi Komatsu, Eiji Shiota