公开(公告)号：US11572578B2

公开(公告)日：2023-02-07

申请号：US17263851

申请日：2019-07-31

Applicant: SARAYA CO., LTD.

Inventor： Yoriko Kato ,  Yuka Oda ,  Emiko Kawamukai ,  Yoshihiko Hirata

IPC: C12Q1/04

Abstract: The present invention relates to a reagent kit for detecting biofilm in test tissue, the reagent kit comprising: (a) a pretreatment liquid comprising at least one surfactant selected, from the group consisting of nonionic surfactants, amphoteric surfactants, and cationic surfactants, (b) a staining liquid comprising a dye, and (c) a decolorizing liquid comprising at least one surfactant selected from the group consisting of nonionic surfactants, amphoteric surfactants, and cationic surfactants; wherein after a membrane is brought into contact with the test tissue and released from contact, the pretreatment liquid (a), the staining liquid (b), and the decolorizing liquid (c) are brought into contact with the contact surface of the membrane in this order.

公开(公告)号：US11333610B2

公开(公告)日：2022-05-17

申请号：US16486045

申请日：2018-02-14

Applicant: SARAYA CO., LTD.

Inventor： Madan Mali ,  Satomi Sakai ,  Emiko Kawamukai

IPC: G01N21/78 ,  A61L2/18 ,  G01N31/22

Abstract: The invention provides a percarboxylic acid concentration-determining device capable of determining the concentration of percarboxylic acid contained in an aqueous solution for chemical sterilization or disinfection that contains a percarboxylic acid as an active ingredient; and an indicator solution for use in preparing the device. The indicator solution contains a starch, an iodide, a thiosulfate, a water-soluble organic solvent, and water, with the starch, the iodide, the thiosulfate, and the water-soluble organic solvent being present in the following proportions, based on the total amount taken as 100 mass %: (a) starch: 0.01 to 5 mass %; (b) iodide: 0.01 to 5 mass %; (c) thiosulfate: 0.01 to 10 mass %; and (d) water-soluble organic solvent: 0.1 to 40 mass %, wherein the total amount of (a), (b), and (c) is greater than 0.6 mass %.

公开(公告)号：US10736323B2

公开(公告)日：2020-08-11

申请号：US14042657

申请日：2013-09-30

Applicant: Saraya Co., Ltd.

Inventor： Emiko Kawamukai ,  Satomi Sakai ,  Taro Furuta

IPC: A01N37/16 ,  A01N59/00 ,  A61L2/18 ,  C23C22/56 ,  C23F11/12

Abstract: The invention provides a liquid composition containing (a) an acidic oxidant, (b) nitric acid or a salt thereof, and (c) at least one carboxylic acid selected from the group consisting of monocarboxylic acids, dicarboxylic acids, and tricarboxylic acids, or a salt thereof. The liquid composition can be used to disinfect or sterilize a subject that includes a portion made of an aluminum-based metal.