公开(公告)号：US11918668B2

公开(公告)日：2024-03-05

申请号：US17277924

申请日：2019-09-20

Applicant: ADEKA CORPORATION

Inventor： Yasuhiro Tsushima ,  Hiroshi Suzuki ,  Kazuya Nakajima

IPC: A61K8/33 ,  A61K8/67

CPC classification number: A61K8/33 ,  A61K8/67 ,  A61K2800/10 ,  A61K2800/522 ,  A61K2800/805

Abstract: The present invention provides a method for producing a glyceryl ether-containing composition, the method including: a deodorization step for bringing a glyceryl ether-containing product selected from the group consisting of a monohexyl glyceryl ether-containing product, a monocyclohexyl glyceryl ether-containing product and a mixture thereof into contact with water vapor in an environment having a reduced pressure of 0.10 kPa or more and 10 kPa or less for 60 minutes or more and 600 minutes or less; and an addition step for adding 0.05 to 0.30 parts by mass of an antioxidant containing d-α-tocopherol to 100 parts by mass of the glyceryl ether-containing product, and also provides a glyceryl ether-containing composition containing specific amounts of a specific glyceryl ether and an antioxidant containing d-α-tocopherol.

公开(公告)号：US10137069B2

公开(公告)日：2018-11-27

申请号：US15119031

申请日：2014-12-16

Applicant: ADEKA CORPORATION

Inventor： Yasuhiro Tsushima ,  Hiroshi Suzuki

IPC: A61K8/34 ,  A61K8/44 ,  A61K8/49 ,  A61K8/55 ,  A61K8/60 ,  A61K8/365 ,  A61Q17/00 ,  A61Q19/00 ,  A61K8/33

Abstract: The present invention provides a skin cosmetic composition including a component (A) which is either one or both of hexyl glyceryl ether and cyclohexyl glyceryl ether, a component (B) which is either one or both of 1,2-propanediol and 1,3-propanediol, and a component (C) such as citric acid, an antibacterial agent including components (A), (B) and (C) and a method for enhancing an antibacterial effect of the component (A).

公开(公告)号：US11260003B2

公开(公告)日：2022-03-01

申请号：US16754002

申请日：2018-10-03

Applicant: ADEKA CORPORATION

Inventor： Yasuhiro Tsushima ,  Hiroshi Suzuki ,  Makiko Yazawa ,  Shotan Yamashita

IPC: A61K8/34 ,  A01N31/02

Abstract: An antimicrobial composition containing: a component (A) that is at least one selected from the group consisting of 1,2-alkanediols having an alkyl group having 6 to 8 carbons and monoalkyl glyceryl ethers having an alkyl group having 6 to 8 carbons; and a component (B) that is at least one selected from the group consisting of tripropylene glycol, 2-methyl-1,3-propanediol, and 3-methyl-1,3-butanediol and a cosmetic containing the antimicrobial composition.