The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 2021
Filed:
Oct. 05, 2017
Oryza Oil & Fat Chemical Co., Ltd., Aichi, JP;
Keio University, Tokyo, JP;
Kazuo Tsubota, Tokyo, JP;
Shigeru Nakamura, Tokyo, JP;
Toshihiro Imada, Tokyo, JP;
Junji Tanaka, Aichi, JP;
Takashi Kadekaru, Aichi, JP;
Hiroshi Shimoda, Aichi, JP;
Hiromichi Murai, Aichi, JP;
ORYZA OIL & FAT CHEMICAL CO., LTD., Aichi, JP;
KEIO UNIVERSITY, Tokyo, JP;
Abstract
This invention provides a prophylactic and therapeutic agent for dry eye, having new ingredients to reduce the deterioration of the lacrimal secretory ability and to inhibit the generation of radical oxygen in lacrimal gland tissue. The prophylactic and therapeutic agent for dry eye of this invention contains the maqui berry extract as the active substance of this invention, i.e. containing delphinidin glycoside extracted from the maqui berry and at least one or more of the active substances delphinidin-3-sambubioside-5-glucoside, delphinidin-3,5-diglucoside, delphinidin-3-sambubioside and delphinidin-3-glucoside, preferably delphinidin-3,5-diglucoside.