Patents by Inventor Guaiping Qiao

Guaiping Qiao 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).

  • Hydroxytyrosol sturgeon skin gelatin film with antioxidant activity and detection ability and a method of preparing the same
    Patent number: 11639516
    Abstract: A method of preparing a hydroxytyrosol sturgeon skin gelatin film with antioxidant activity and Salmonella detection ability includes: (1) mixing a neutral red indicator solution and distilled water at room temperature to obtain a mixture solution, and adding 1 mol/L NaHCO3 solution to the mixture solution until discoloration to obtain an alkaline solution; (2) adding an amount of the alkaline solution obtained in step (1) to a mixture of Sturgeon skin gelatin and distilled water to obtain an alkaline gelatin solution; (3) adding hydroxytyrosol and glycerin and propylene glycol to the alkaline gelatin solution to obtain a hydroxytyrosol gelatin solution, and heating the hydroxytyrosol gelatin solution at 40-70° C.; (4) ultrasonicating the hydroxytyrosol gelatin solution from step (3), placing the hydroxytyrol gelatin solution evenly on a clean plexiglass plate, drying the hydroxytyrol gelatin solution on an ultra-clean worktable to obtain the hydroxytyrosol sturgeon skin gelatin film.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: May 2, 2023
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Qi Lu, Liang Xin, Guaiping Qiao, Jingyi Li, Kangxiong Wu, Han Li, Bin Tian
  • Pleuromulin lipoic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 11597714
    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: Grant
    Filed: December 19, 2020
    Date of Patent: March 7, 2023
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Cong Du, Qianqian Zhao, Liang Xin, Jingyi Li, Dan Yang, Nan Hui, Guaiping Qiao, Han Li, Yanjun Li, Liang Qi, Wenbo Yao, Gennian Mao
  • Pleuromulin 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 11555016
    Abstract: A compound with anti-drug resistant bacteria activity having the following formula (I): is disclosed. The methods of preparing the compound of formula (I) are also disclosed.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: January 17, 2023
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yongbo Wang, Han Li, Gennian Mao, Bin Tian, Dan Yang, Chengyuan Liang, Xiuding Yang, Wenbo Yao, Guaiping Qiao, Nan Hui, Juan Li, Liang Xin, Jingyi Li, Ruina Bian
  • PLEUROMULIN 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID ESTER WITH ANTIBACTERIAL ACTIVITY AND A METHOD OF PREPARING THE SAME
    Publication number: 20220235008
    Abstract: A compound with anti-drug resistant bacteria activity having the following formula (I): is disclosed. The methods of preparing the compound of formula (I) are also disclosed.
    Type: Application
    Filed: January 25, 2021
    Publication date: July 28, 2022
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Wenbo YAO, Guaiping QIAO, Nan HUI, Juan LI, Liang XIN, Jingyi LI, Ruina BIAN, Han LI, Gennian MAO, Bin TIAN, Dan YANG, Chengyuan LIANG
  • PLEUROMULIN LIPOIC ACID ESTER WITH ANTIBACTERIAL ACTIVITY AND A METHOD OF PREPARING THE SAME
    Publication number: 20220194918
    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: December 19, 2020
    Publication date: June 23, 2022
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Qianqian ZHAO, Liang XIN, Jingyi LI, Dan YANG, Nan HUI, Guaiping QIAO, Han LI, Yanjun LI, Liang QI, Wenbo YAO, Gennian MAO, Chengyuan LIANG
  • METHOD OF PREPARING HYDROXYTYROSOL CINNAMIC ACID ESTER WITH ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES
    Publication number: 20220089518
    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: Application
    Filed: September 19, 2020
    Publication date: March 24, 2022
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Han LI, Nan HUI, Guaiping QIAO, Juan LI, Wenbo YAO, Yongbo WANG, Gennian MAO, Bin TIAN, Yanjun LI, Qiaoqiao ZHAO, Jingwen XU, Dan YANG, Chengyuan LIANG
  • Pleuromutilin ursodeoxycholic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 11186607
    Abstract: A compound with antibacterial activity having the following formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: November 30, 2021
    Assignee: Xi'an Taikomed Pharmaceutical Technology Co., Ltd.
    Inventors: Yonghong Tang, Bin Tian, Lei Tian, Yanjun Li, Qiao Zeng, Dan Yang, Liang Xin, Jingyi Li, Qianqian Zhao, Minghui Chang, Huafeng Qi, Zhuanmei Yuan, Wenbo Yao, Guaiping Qiao, Juan Li, Nan Hui, Han Li
  • Pleuromulin acitretin ester with antibacterial activity and a method of preparing the same
    Patent number: 11155514
    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: Grant
    Filed: December 19, 2020
    Date of Patent: October 26, 2021
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bin Tian, Juan Li, Nan Hui, Guaiping Qiao, Liang Xin, Jingyi Li, Dan Yang, Han Li, Yanjun Li, Liang Qi, Wenbo Yao, Chengyuan Liang
  • Method of preparing a cinnamyl alcohol retinoic acid ester with antioxidant and antibacterial activities
    Patent number: 11072575
    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 18-596 and Staphylococcus aureus 18-596.
    Type: Grant
    Filed: September 19, 2020
    Date of Patent: July 27, 2021
    Assignee: XI'AN TAIKOMED PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Yonghong Tang, Minghui Chang, Huafeng Qi, Peiyu Zhou, Zhuanmei Yuan, Wenbo Yao, Guaiping Qiao, Bin Tian, Juan Li
  • HYDROXYTYROSOL STURGEON SKIN GELATIN FILM WITH ANTIOXIDANT ACTIVITY AND SALMONELLA DETECTION ABILITY AND A METHOD OF PREPARING THE SAME
    Publication number: 20210180104
    Abstract: A method of preparing a hydroxytyrosol sturgeon skin gelatin film with antioxidant activity and Salmonella detection ability includes: (1) mixing a neutral red indicator solution and distilled water at room temperature to obtain a mixture solution, and adding 1 mol/L NaHCO3 solution to the mixture solution until discoloration to obtain an alkaline solution; (2) adding an amount of the alkaline solution obtained in step (1) to a mixture of Sturgeon skin gelatin and distilled water to obtain an alkaline gelatin solution; (3) adding hydroxytyrol and glycerin and propylene glycol to the alkaline gelatin solution to obtain a hydroxytyrol gelatin solution, and heating the hydroxytyrol gelatin solution at 40-70° C.; (4) ultrasonicating the hydroxytyrol gelatin solution from step (3), placing the hydroxytyrol gelatin solution evenly on a clean plexiglass plate, drying the hydroxytyrol gelatin solution on an ultra-clean worktable to obtain the hydroxytyrosol sturgeon skin gelatin film.
    Type: Application
    Filed: January 24, 2020
    Publication date: June 17, 2021
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan LIANG, Liang XIN, Guaiping QIAO, Jingyi LI, Kangxiong WU, Han LI, Bin TIAN
  • Cinnamyl alcohol cassic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 10947182
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: June 27, 2020
    Date of Patent: March 16, 2021
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Han Li, Nan Hui, Chengyuan Liang, Xingke Ju, Guaiping Qiao, Juan Li, Yuanyuan He, Bin Tian, Yongbo Wang, Jingwen Xu, Liang Qi, Dan Yang, Qiangian Zhao, Yanjun Li, Qiao Zeng, Gennian Mao, Limei Wang
  • 6-aminouracil cassic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 10941120
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 9, 2021
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Han Li, Nan Hui, Chengyuan Liang, Xingke Ju, Guaiping Qiao, Juan Li, Yuanyuan He, Bin Tian, Yongbo Wang, Jingwen Xu, Liang Qi, Dan Yang, Qianqian Zhao, Yanjun Li, Qiao Zeng, Gennian Mao, Limei Wang
  • Hydroxytyrosol 4-methoxycinnamic acid ester with antibacterial activity and a method of preparing the same
    Patent number: 10906863
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: February 2, 2021
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Gennian Mao, Limei Wang, Bin Tian, Xingke Ju, Nan Hui, Juan Li, Guaiping Qiao, Dan Yang, Jingwen Xu, Liang Qi, Wenbo Yao, Han Li, Chengyuan Liang
  • Device for high pressure spray and counter-current precipitation extraction of herbal medicine and a method for extracting herbal medicine using the same
    Patent number: 10772921
    Abstract: A device for high pressure spray and counter-current precipitation extraction of herbal medicine is disclosed. A method for extracting herbal medicine using the device is also disclosed.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: September 15, 2020
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Nan Hui, Juan Li, Guaiping Qiao, Yonghong Tang, Gennian Mao, Han Li, Bin Tian, Qianqian Zhao, Yongbo Wang, Dan Yang, Hanyang Liu
  • Hydroxytyrosol ursodeoxycholic acid ester with antioxidant activity and a method of preparing the same
    Patent number: 10738077
    Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: August 11, 2020
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Wenbo Yao, Guaiping Qiao, Juan Li, Nan Hui, Qiao Zeng, Han Li, Bin Tian, Yongbo Wang, Dan Yang, Jingwen Xu, Liang Qi, Yanjun Li, Chengyuan Liang
  • Dihydroxytyrosol hexamethylene-1,6-dicarbamate having antioxidant activity and a method of preparing the same
    Patent number: 10487046
    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: July 13, 2019
    Date of Patent: November 26, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Han Li, Yuzhi Liu, Xingke Ju, Lei Tian, Juan Li, Nan Hui, Guaiping Qiao, Ning Liu, Liuyi Yang, Xuefeng Chen