Patents by Inventor Zhiping NIU

Zhiping NIU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • INDUSTRIAL METHOD FOR SIMULTANEOUSLY PREPARING STEVIA REBAUDIANA CHLOROGENIC ACID AND STEVIOSIDE
    Publication number: 20210230200
    Abstract: Disclosed is an industrial method for simultaneously preparing Stevia rebaudiana chlorogenic acid and stevioside. The industrial method includes carrying out alcohol extraction on Stevia rebaudiana which is used as a raw material, and then adjusting the feed liquid state to allow chlorogenic acid to be in a free molecular state; carrying out extraction separation by a water-insoluble moderate-polarity organic solvent; enriching the Stevia rebaudiana chlorogenic acid in an organic layer; and enriching the stevioside in a water layer.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 29, 2021
    Applicant: Chenguang Biotech Group Co., Ltd.
    Inventors: Yunhe LIAN, Meili XU, Wei GAO, Zhiping NIU, Yanfang WANG