Extract of Ginkgo biloba leaves and preparation method therefor
US12311002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2018 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Jul 8, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2236/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure provides a Ginkgo biloba ketone ester bulk drug. The present disclosure further provides a method for preparing Ginkgo biloba ketone ester bulk drug and use thereof. The present disclosure provides a Ginkgo biloba ketone ester and a preparation method thereof. Through optimized preparation operations and conditions, high-quality Ginkgo biloba ketone ester bulk drug can be obtained. Compared with the Ginkgo biloba ketone ester prepared by traditional methods, the Ginkgo biloba ketone ester of the present disclosure has stable quality, low unqualified rate, and good consistency of different batches of bulk drugs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.