Patents by Inventor Danni Tian

Danni Tian 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).

  • BERGENIN LIPOIC ACID ESTER WITH ANTIOXIDANT ACTIVITY AND A METHOD OF PREPARING THE SAME
    Publication number: 20190389876
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Application
    Filed: September 3, 2018
    Publication date: December 26, 2019
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bin TIAN, Xingke JU, Lei TIAN, Jie LI, Songsong RUAN, Minyi JIA, Danni TIAN, Han LI, Qianqian ZHAO, Xuechuan WANG, Chengyuan LIANG
  • Bergenin lipoic acid ester with antioxidant activity and a method of preparing the same
    Patent number: 10494377
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: December 3, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bin Tian, Xingke Ju, Lei Tian, Jie Li, Songsong Ruan, Minyi Jia, Danni Tian, Han Li, Qianqian Zhao, Xuechuan Wang, Chengyuan Liang
  • Bergenin thiodipropionic acid ester with antioxidant activity and a method of improving the antioxidant property of ganoderma lucidum spore oil using the same
    Patent number: 10487094
    Abstract: A compound having the following formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: November 26, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Yuzhi Liu, Danni Tian, Jie Li, Songsong Ruan, Han Li, Qianqian Zhao, Xuechuan Wang, Xeufeng Chen
  • Hydroxytyrosol thiodipropionic acid ester with antioxidant activity and a method of preparing the same
    Patent number: 10343988
    Abstract: A 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 9, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Lei Tian, Danni Tian, Yuzhi Liu, Xingke Ju, Nan Hui, Mi Wu, Juan Li, Han Li, Bin Tian, Qianqian Zhao
  • Method of preparing 6-chloro-5-nitro-2,4-diaminopyrimidine and its application thereof
    Patent number: 10329261
    Abstract: A method of preparing 6-chloro-5-nitro-2,4-diaminopyrimidine includes: reacting guanidine hydrochloride with ethyl carbamoylacetate and sodium hypochlorite in the presence of a metal nitrate salt and acetate anhydride in an organic solvent.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: June 25, 2019
    Assignee: XI'AN TAIKOMED PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Yonghong Tang, Minghui Chang, Chengyuan Liang, Danni Tian, Juan Xia, Kaiqi Shi, Han Li, Xuechuan Wang
  • 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
  • Isatin peroxo compounds with antibacterial activities and a method of preparing the same
    Patent number: 10035808
    Abstract: An isatin peroxo compound has the following formula (I): R1 is H, halogen, or C1-3 alkyl, and R2, is H, C1-3 alkyl, or phenyl.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: July 31, 2018
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Danni Tian, Minyi Jia
  • 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
  • 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
  • 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
  • Coumarin-gossypol derivatives with antitumor activities and a method of preparing the same
    Patent number: 9758503
    Abstract: A compound with antitumor activities is represented by formula A or formula B R1, R2, R3, and R4 are independently hydrogen, hydroxyl, alkoxy, halogen, formyl, unsubstituted or substituted alkyl, or unsubstituted or substituted cycloalkyl.
    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, Xuechuan Wang, Xiaolin Xie, Dezhu Zhang
  • 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
  • Asymmetric 7-N isatin dimer Schiff base compounds with antitumor activities and a method of preparing the same
    Patent number: 9751896
    Abstract: A compound with antitumor activities is represented by formula: R1, R2, R3, and R4 are independently hydrogen, nitro, alkoxy, halogen, unsubstituted or substituted phenyl, or unsubstituted or substituted alkyl or cycloalkyl.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 5, 2017
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Minyi Jia, Danni Tian, Xuechuan Wang, Xuefeng Chen, Juan Li, Guang Tong