Patents by Inventor Shunjun Ding

Shunjun Ding 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
  • Gossypol isocyanate ester compounds with antileukemic activities and a method of preparing the same
    Patent number: 10858312
    Abstract: A compound of Formula I: is disclosed. A method of preparing the compound of Formula I is also disclosed. R is alkyl, haloalkyl, aryl, or substituted aryl.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: December 8, 2020
    Assignee: SHAANXI PANLONG PHARMACEUTICAL GROUP LIMITED BY SHARE LTD.
    Inventors: Xiaolin Xie, Dezhu Zhang, Zhong Meng, Jianguo Meng, Yu Wang, Shunjun Ding, Chengyuan Liang, Liang Xin, Jingyi Li, Jiayun Zhang, Kangxiong Wu, Juan Xia, Han Li
  • Gossypol isatin schiff base compounds with antitumor activities and a method of preparing the same
    Patent number: 10729675
    Abstract: A gossypol isatin Schiff base compound with antitumor activities represented by formula I: R1 and R2 are independently hydrogen, alkyl, cycloalkyl, alkoxy, nitro, halogen, unsubstituted or substituted phenyl, or unsubstituted or substituted benzyl. A method of preparing the compound of formula I is also disclosed.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: August 4, 2020
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Xingke Ju, Shunjun Ding, Lei Tian, Yuzhi Liu, Xiaolin Xie, Dezhu Zhang, Wenbo Yao, Dan Yang
  • Gossypol 7-N-isatin Schiff base compounds with antitumor activities and a method of preparing the same
    Patent number: 10722500
    Abstract: A gossypol 7-N-isatin Schiff base compounds compound with antitumor activities represented by formula I: is disclosed. In formula I, R is hydrogen, alkyl, cycloalkyl, alkoxy, unsubstituted or substituted phenyl, or substituted or substituted benzyl. A method of preparing the compound of formula I is also disclosed.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: July 28, 2020
    Assignee: SHAANXI PANLONG PHARMACEUTICAL GROUP LIMITED BY SHARE LTD.
    Inventors: Xiaolin Xie, Dezhu Zhang, Shunjun Ding, Chengyuan Liang
  • GOSSYPOL 7-N-ISATIN SCHIFF BASE COMPOUNDS WITH ANTITUMOR ACTIVITIES AND A METHOD OF PREPARING THE SAME
    Publication number: 20200147057
    Abstract: A gossypol 7-N-isatin Schiff base compounds compound with antitumor activities represented by formula I: is disclosed. In formula I, R is hydrogen, alkyl, cycloalkyl, alkoxy, unsubstituted or substituted phenyl, or substituted or substituted benzyl. A method of preparing the compound of formula I is also disclosed.
    Type: Application
    Filed: February 7, 2019
    Publication date: May 14, 2020
    Applicant: SHAANXI PANLONG PHARMACEUTICAL GROUP LIMITED BY SHARE LTD.
    Inventors: Xiaolin XIE, Dezhu ZHANG, Shunjun DING, Chengyuan LIANG
  • GOSSYPOL ISATIN SCHIFF BASE COMPOUNDS WITH ANTITUMOR ACTIVITIES AND A METHOD OF PREPARING THE SAME
    Publication number: 20200147042
    Abstract: A gossypol isatin Schiff base compound with antitumor activities represented by formula I: R1 and R2 are independently hydrogen, alkyl, cycloalkyl, alkoxy, nitro, halogen, unsubstituted or substituted phenyl, or unsubstituted or substituted benzyl. A method of preparing the compound of formula I is also disclosed.
    Type: Application
    Filed: February 7, 2019
    Publication date: May 14, 2020
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan LIANG, Lei TIAN, Shunjun DING, Xingke JU, Yuzhi LIU, Xiaolin XIE, Dezhu ZHANG
  • Gossypol eflornithine Schiff base compound with antitumor activities and a method of preparing the same
    Patent number: 10336689
    Abstract: A gossypol eflornithine Schiff base compound having the following Formula I: is disclosed. A method of preparing the compound of Formula I is also disclosed.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: July 2, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Shunjun Ding, Nan Hui, Juan Li, Dezhu Zhang, Xiaolin Xie
  • Lappaconitine aza-cinnamic acid derivatives with anti-tumor activities and a method of preparing the same
    Patent number: 10100036
    Abstract: A lappaconitine aza-cinnamic acid derivative having the following formula (I): X is C or N, and R1, R2, and R3 are independently H or lower alkyl. A method of preparing the lappaconitine aza-cinnamic acid derivative of formula (I) is also disclosed.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: October 16, 2018
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Minyi Jia, Xingke Ju, Lei Tian, Danni Tian, Shunjun Ding
  • Isatin spiro compounds with antibacterial activities and a method of preparing the same
    Patent number: 10072020
    Abstract: An isatin spiro compound having the following formula (I): R1 is halogen or C1-3 alkyl; R2 is C1-3 alkyl or benzyl; and R3 and R3? are independently H, C1-3 alkyl or phenyl.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: September 11, 2018
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Danni Tian, Shunjun Ding
  • Method of preparing sturgeon skin gelatin and sturgeon skin gelatin film with antioxidant activity
    Patent number: 10023765
    Abstract: A method of preparing a sturgeon skin gelatin with antioxidant activity includes: 1) soaking sturgeon skin in water, and sonicating the sturgeon skin; 2) cutting the sturgeon skin, soaking the sturgeon skin in a NaOH solution, and soaking the sturgeon skin in an HCl solution; 3) washing the sturgeon skin of step 2) to neutral, placing the sturgeon skin in an extraction solution for extracting sturgeon skin protein; and 4) obtaining the sturgeon skin gelatin. A method of preparing a sturgeon skin gelatin film includes: 1) dissolving sturgeon skin gelatin in water to obtain a sturgeon skin gelatin solution; 2) adding glycerine to the sturgeon skin gelatin solution; and 3) obtaining the sturgeon skin gelatin film.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: July 17, 2018
    Assignee: Shaanxi University of Science and Technology
    Inventors: Chengyuan Liang, Minyi Jia, Danni Tian, Shunjun Ding, Xuechuan Wang, Han Li, Wei Liu
  • Gossypol l-arginine schiff base compound with antitumor activities and a method of preparing the same
    Patent number: 9975849
    Abstract: A compound with antitumor activities is represented by formula I: A method of preparing the compound of formula I is also disclosed.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 22, 2018
    Assignee: SHAANXI PANLONG PHARMACEUTICAL GROUP LIMITED BY SHARE LTD.
    Inventors: Xiaolin Xie, Dezhu Zhang, Chengyuan Liang, Lei Tian, Shunjun Ding, Xingke Ju
  • LAPPACONITINE AZA-CINNAMIC ACID DERIVATIVES WITH ANTI-TUMOR ACTIVITIES AND A METHOD OF PREPARING THE SAME
    Publication number: 20180093966
    Abstract: A lappaconitine aza-cinnamic acid derivative having the following formula (I): X is C or N, and R1, R2, and R3 are independently H or lower alkyl. A method of preparing the lappaconitine aza-cinnamic acid derivative of formula (I) is also disclosed.
    Type: Application
    Filed: September 25, 2017
    Publication date: April 5, 2018
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan LIANG, Xingke JU, Lei TIAN, Minyi JIA, Danni TIAN, Shunjun DING
  • METHOD OF PREPARING STURGEON SKIN GELATIN AND STURGEON SKIN GELATIN FILM WITH ANTIOXIDANT ACTIVITY
    Publication number: 20180094167
    Abstract: A method of preparing a sturgeon skin gelatin with antioxidant activity includes: 1) soaking sturgeon skin in water, and sonicating the sturgeon skin; 2) cutting the sturgeon skin, soaking the sturgeon skin in a NaOH solution, and soaking the sturgeon skin in an HCl solution; 3) washing the sturgeon skin of step 2) to neutral, placing the sturgeon skin in an extraction solution for extracting sturgeon skin protein; and 4) obtaining the sturgeon skin gelatin. A method of preparing a sturgeon skin gelatin film includes: 1) dissolving sturgeon skin gelatin in water to obtain a sturgeon skin gelatin solution; 2) adding glycerine to the sturgeon skin gelatin solution; and 3) obtaining the sturgeon skin gelatin film.
    Type: Application
    Filed: May 26, 2017
    Publication date: April 5, 2018
    Inventors: Chengyuan LIANG, Danni TIAN, Minyi JIA, Shunjun DING, Xuechuan WANG, Han LI, Wei LIU
  • Edaravone-gossypol derivatives with antitumor activities and a method of preparing the same
    Patent number: 9758486
    Abstract: A compound with antitumor activities represented by formula I: In formula I, R1 is alkyl, alkoxy, or ethenyl; and R2 is alkyl, alkoxy, or halogen.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 12, 2017
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Danni Tian, Minyi Jia, Xiaolin Xie, Dezhu Zhang, Weihui Ju, Shunjun Ding, Xuechuan Wang