Patent · US Active

Two crystal forms of ginsenoside C-K and method for preparing same

US9643992B2 · kind B2 · utility

0Cited by

0References

7Claims

0Family size

Assignee

Zhejiang Hisun Pharmaceutical Co., Ltd. · CN

Inventors

Guobin Ren · Shanghai, CN
Changliang Dai · Zhejiang, CN
Jinyao Chen · Shanghai, CN
Feng Chen · Hubei, CN
Minghui Qi · Shanghai, CN
Wenming Zhu · Zhejiang, CN
Minghuang Hong · Shanghai, CN
Hua Bai · Lake Jackson, US

Key dates

Filing date	Apr 1, 2013
Grant date	May 9, 2017
Priority date	—
Expiry date	Aug 16, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Provided are ginsenoside C-K polymorphic forms and a method for preparing same. The ginsenoside C-K polymorphic forms are crystal form D and crystal form H.

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