公开(公告)号：US20210137799A1

公开(公告)日：2021-05-13

申请号：US17155614

申请日：2021-01-22

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Manabu WATANABE ,  Koji SAKAIRI ,  Yuichiro HAYASAKA ,  Kazuyo MINOWA

IPC: A61K8/02 ,  A61K8/85 ,  A61K8/73 ,  A61Q1/12

Abstract: A skin-adhesive film including a film body having an average thickness of 5 μm or less, and a blockage ratio of 5%-60%. The blockage ratio is a ratio of blocking evaporation of water having a temperature equal to a human body temperature at a position where the film body is present relative to evaporation of the water at a position where the film body is not present.

公开(公告)号：US20210137817A1

公开(公告)日：2021-05-13

申请号：US17155508

申请日：2021-01-22

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Manabu WATANABE ,  Yuichiro HAYASAKA

IPC: A61K8/85 ,  A61Q1/02 ,  A61K8/02

Abstract: A skin-adhesive film includes a polylactic acid layer. The polylactic acid layer has a thickness of 10 nm-5000 nm and includes poly-DL-lactic acid. The poly-DL-lactic acid includes L-lactic acid at a content ratio of 50%-90%, and the weight-average molecular weight of the poly-DL-lactic acid is 100,000 or higher.