公开(公告)号：US20230056021A1

公开(公告)日：2023-02-23

申请号：US17789454

申请日：2020-12-25

Applicant: SARAYA CO., LTD.

Inventor： Yoshifumi JAHANA ,  Wataru KUMANO ,  Michiaki ARAKI ,  Yuka ODA ,  Emiko KAWAMUKAI ,  Yoshihiko HIRATA

IPC: B01F23/2373 ,  C07H15/04 ,  B01F23/232 ,  B01F23/237

Abstract: The invention relates to an ultrafine bubble (UFB) generator and a method for generating UFB. The invention also provides an ultrafine bubble-containing liquid and a production method of the liquid. An ultrafine bubble generator is prepared by combining (A) a sophorolipid containing acidic sophorolipid and lactonic sophorolipid in a ratio (mass ratio) of 78:22 to 100:0, (B) a free fatty acid or salt thereof, and (C) a gas generation component.