Patent · US Active

Stable pharmaceutical composition of freeze-dried tetrodoxin powder

US8222258B2 · kind B2 · utility

1Cited by

14References

45Claims

0Family size

Assignee

WEX MEDICAL LIMITED · CN

Inventors

Weiyang Lin · Kwai Chung, CN
Xiao-kun Zhang · Village of La Jolla, US
Xiaoyan Huang · Hangzhou City, CN

Key dates

Filing date	Dec 31, 2009
Grant date	Jul 17, 2012
Priority date	—
Expiry date	Mar 7, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to a stable pharmaceutical composition of freeze-dried tetrodotoxin powder which contains trace amount of tetrodotoxin, substances which can stabilizes tetrodotoxin, including disaccharide(s) or polyglucose(s) or analogues thereof and solvent(s), and solvents which can help tetrodotoxin dissolve.

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