Patent · US Active

Composition comprising ligustroflavone, rhoifolin and hyperin and its pharmaceutical application

US9084807B2 · kind B2 · utility

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Inventors

Chunshan Tang · 恩江镇, CN
Ning Xie · 恩江镇, CN
Xiaoling Yang · 恩江镇, CN
Wuqing Lv · 恩江镇, CN
Zhiyong Li · 恩江镇, CN
Jingying Ye · 恩江镇, CN
Difa Liu · 恩江镇, CN
Fan Cheng · Xiaogan, CN

Key dates

Filing date	Aug 4, 2011
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Jan 6, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2236/30
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed is a composition comprising ligustroflavone, rhoifolin and hyperin, which is prepared according to rational weight ratio: 40% to 80% ligustroflavone, 5% to 45% rhoifolin and 1% to 40% hyperin. The composition can be used as a neuraminidase inhibitor for preventing and treating influenza, and can be formulated into pharmaceutically acceptable dosage forms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.