Patents by Inventor Chunchun Kong

Chunchun Kong 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).

  • PARIS POLYPHYLLA SAPONIN EXTRACT WITH ACTIVITY AGAINST MULTIDRUG-RESISTANT BACTERIA AND PREPARATION AND USE THEREOF
    Publication number: 20230128907
    Abstract: A method of preparing a Paris polyphylla saponin extract includes: (1) adding Paris polyphylla saponin in 60-90% ethanol to obtain a mixture, heating the mixture under reflux for 2-4 hours; (2) concentrating the mixture to ΒΌ volume, centrifuging the mixture to obtain a supernatant A and a precipitate A, adding the precipitate A to 60-80% ethanol to obtain a supernatant B and a precipitate B, washing the precipitate B with water and petroleum ether and drying; and (3) combining the supernatant A and the supernatant B, mixing with a macroporous adsorption resin, loading to a chromatography column, eluting the chromatography column with water and 80-90% ethanol, collecting an ethanol eluent, concentrating the ethanol eluent to obtain an eluent extract, and combining the eluent extract and the precipitate B and drying to obtain the Paris polyphylla saponin extract.
    Type: Application
    Filed: September 12, 2022
    Publication date: April 27, 2023
    Applicant: XI'AN KANGYUANSHENG BIOMEDICAL TECHNOLOGY CO., LTD.
    Inventors: Jia WAN, Chunchun KONG, Shunjun DING, Jingyi LI, Lei TIAN
  • Pleuromulin rhein ester with anti-drug resistant bacteria activity and a method of preparing the same
    Patent number: 11484598
    Abstract: A compound with anti-drug resistant bacteria activity having the following formula is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: August 29, 2021
    Date of Patent: November 1, 2022
    Assignee: XI'AN KANGYUANSHENG BIOMEDICAL TECHNOLOGY CO., LTD.
    Inventors: Jia Wan, Chunchun Kong, Jingyi Li, Qianqian Zhao, Dan Yang
  • PLEUROMULIN RHEIN ESTER WITH ANTI-DRUG RESISTANT BACTERIA ACTIVITY AND A METHOD OF PREPARING THE SAME
    Publication number: 20220331436
    Abstract: A compound with anti-drug resistant bacteria activity having the following formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Application
    Filed: August 29, 2021
    Publication date: October 20, 2022
    Inventors: Jia WAN, Chunchun KONG, Jingyi LI, Qianqian ZHAO, Dan YANG
  • Method of preparing hydroxytyrosol cinnamic acid ester with antioxidant and antibacterial activities
    Patent number: 11427526
    Abstract: A method of preparing a compound of formula (I): is disclosed. The compound of formula (I) can be used as an antioxidant agent. The compound can also be used as an antibacterial agent to inhibit Staphylococcus aureus MRSA 18-222 and Pseudomonas aeruginosa MDR-PA 18-1774.
    Type: Grant
    Filed: September 19, 2020
    Date of Patent: August 30, 2022
    Assignee: XI'AN KANGYUANSHENG BIOMEDICAL TECHNOLOGY CO., LTD.
    Inventors: Jia Wan, Jie Zhang, Chunchun Kong, Yi Jin, Min Fan, Han Li, Qiaoqiao Zhao, Dan Yang
  • Lilac ginkgo brick tea and method of preparing the same
    Patent number: 11376299
    Abstract: A method of preparing a Lilac Ginkgo Brick Tea includes the following steps: (1) mixing and drying fresh Lilac leaves and Ginkgo leaves to obtain a Lilac Ginkgo Tea; (2) fermenting the Lilac Ginkgo Tea to obtain a Fermented Lilac Ginkgo Tea; (3) mixing the Fermented Lilac Ginkgo Tea with a black tea to obtain a Fermented Lilac Ginkgo Tea Mixture; and (4) processing the Fermented Lilac Ginkgo Tea Mixture to obtain the Lilac Ginkgo Brick Tea.
    Type: Grant
    Filed: October 20, 2019
    Date of Patent: July 5, 2022
    Assignee: XI'AN KANGYUANSHENG BIOMEDICAL TECHNOLOGY CO., LTD.
    Inventors: Jia Wan, Chunchun Kong, Chengyuan Liang, Nan Hui, Chunyang Shi, Han Li, Bin Tian, Gennian Mao, Qianqian Zhao, Qiao Zeng