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:
Jul. 01, 2025
Filed:
May. 08, 2024
Guangzhou Fanzhirong Cosmetics Co., Ltd., Guangzhou, CN;
Guangzhou Qingnang Biotechnology Co., Ltd., Guangzhou, CN;
GUANGZHOU FANZHIRONG COSMETICS CO., LTD., GUANGZHOU, CN;
GUANGZHOU QINGNANG BIOTECHNOLOGY CO., LTD., GUANGZHOU, CN;
Abstract
The present invention provides a melt crystallization method for preparing high-purity glabridin, belonging to the field of chemical purification technology. The method mainly includes steps of melt crystallization, sweating, and material melting. This invention adopts a fractionating melt crystallization method to purify glabridin. The melt crystallization method was utilized in the present invention for purification, and can obtain ultra-high purity products with purity more than 99.9%. This method has the characteristics of simple operation, no need for a large amount of solvent, high product purity, environmental protection, and low energy consumption. It is a green separation and purification process. The technology is suitable for high demand of the market on high-purity glabridin, and has strong market competitive advantages.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile