Patents by Inventor Weijiao Wang

Weijiao Wang 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).

  • Publication number: 20240142365
    Abstract: The present disclosure provides a system for measuring dynamic physical properties of a rack is configured to simulate various states of a rock, which facilitates the research of the dynamically changing physical properties of the rock. the system including: a kettle (202); a sample clamping device (10) including a lower end rod (103) and a fixed upper end rod (102), and a sample cavity is disposed between the upper end rod (103) and the lower end rod (102) and is located in the kettle (202); an overburden pressure device (400) configured to drive the lower end rod (103) to move up and down; a sample sheath (109) configured to sleeve a sample (101) located in the sample cavity, the sample sheath (109) being contractible inwards under pressure; a confining pressure maintaining device (402) configured to control a pressure in the kettle; and a heater (201) configured to control a temperature in the kettle.
    Type: Application
    Filed: January 7, 2022
    Publication date: May 2, 2024
    Inventors: Lianhua HOU, Senhu LIN, Zhenglian PANG, Weijiao MA, Guangzhi LIAO, Jinghong WANG
  • Patent number: 11684591
    Abstract: An application of a GABAA receptor allosteric enhancer in medicine.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: June 27, 2023
    Assignee: XI'AN LIBANG ZHAOXIN BIOTECHNOLOGY CO., LTD
    Inventors: Rutao Wang, Long An, Yi Zhao, Jinghua Pang, Tao Chen, Weijiao Wang
  • Patent number: 11364299
    Abstract: A non-addictive analgesic sustained-release drug delivery system, comprising: (1) a narcotic analgesic drug having a concentration of 1 mg/ml-160 mg/ml, the drug being selected from a group consisting of: a local analgesic drug, and the combination of the local analgesic drug and a nonsteroidal analgesic drug and/or an opioid analgesic drug; (2) a drug menstruum in a proportion of 1%-75% (v/v), the menstruum being selected from a group consisting of benzyl alcohol, ethanol, benzyl benzoate, ethyl lactate, and tetrahydrofurfuryl polyethylene glycol ether; and (3) a drug sustained-release formulation having a proportion of 25%-99% (v/v), the sustained-release formulation being selected from a group consisting of natural vegetable oil, synthetic lipid, artificially improved half-natural lipid and derivative thereof. Also disclosed are a preparation process and use of the sustained-release drug delivery system.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: June 21, 2022
    Assignee: LIPONT PHARMACEUTICALS INC.
    Inventors: Tao Chen, Wudang Lu, Weiping Yu, Jianli Gao, Danfeng Kong, Qingchuan Zhao, Weijiao Wang, Qinyuan Wu
  • Publication number: 20210315836
    Abstract: The present disclosure provides an allosteric enhancing compound of GABAA receptors or a prodrug thereof, a method for preparing the same, and use thereof. The compound is represented by formula (1), wherein R1 and R2 are each independently selected from isopropyl or n-propyl; and when R1 is n-propyl, R2 is not isopropyl.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 14, 2021
    Inventors: Rutao WANG, Long AN, Yi ZHAO, Jinghua PANG, Tao CHEN, Weijiao WANG
  • Publication number: 20210315835
    Abstract: An application of a GABAA receptor allosteric enhancer in medicine.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 14, 2021
    Inventors: Rutao WANG, Long AN, Yi ZHAO, Jinghua PANG, Tao CHEN, Weijiao WANG
  • Publication number: 20200179302
    Abstract: The present invention relates to use of biphenols in the preparation of a medicament for the prevention and treatment of ischemic stroke, specifically to use of 3,3?,5,5?-tetraisopropyl-4,4?-biphenol and salt, ester, or solvate thereof in the preparation of a medicament for the prevention and treatment of ischemic stroke injury.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: Rutao Wang, Tao Chen, Long An, Yi Zhao, Weijiao Wang, Shupan Guo, Sa Xiao, Jinghua Pang, Huijing Hu
  • Patent number: 10329243
    Abstract: The present invention relates to a biphenyl derivative and use thereof, and the biphenyl derivative has a structure represented by the formula (I) as defined in the specification. The use refers the use of the biphenyl derivative or a pharmaceutically acceptable salt or solvate thereof, or a pharmaceutical composition comprising the biphenyl derivative or a pharmaceutically acceptable salt or solvate thereof in the preparation of a medicament for the treatment and/or prevention of ischemic stroke.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 25, 2019
    Assignee: XI'AN LIBANG PHARMACEUTICAL CO., LTD
    Inventors: Rutao Wang, Tao Chen, Long An, Yi Zhao, Weijiao Wang, Shupan Guo, Sa Xiao, Jinghua Pang, Huijing Hu
  • Patent number: 10154967
    Abstract: This invention relates to a 2,2?,6,6?-tetraisopropyl-4,4?-biphenol lipid microsphere preparation having 2,2?,6,6?-tetraisopropyl-4,4?-biphenol as its active ingredient and formed into said lipid microsphere preparation with common medically used injection-grade oil, emulsifier, and injection-grade water.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: December 18, 2018
    Assignee: XI'AN LIBANG PHARMACEUTICAL CO., LTD
    Inventors: Rutao Wang, Tao Chen, Shupan Guo, Huijing Hu, Long An, Weijiao Wang
  • Publication number: 20180185299
    Abstract: The present invention relates to use of biphenols in the preparation of a medicament for the prevention and treatment of ischemic stroke, specifically to use of 3,3?,5,5?-tetraisopropyl-4,4?-biphenol and salt, ester, or solvate thereof in the preparation of a medicament for the prevention and treatment of ischemic stroke injury.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 5, 2018
    Inventors: Rutao Wang, Tao Chen, Long An, Yi Zhao, Weijiao Wang, Shupan Guo, Sa Xiao, Jinghua Pang, Huijing Hu
  • Publication number: 20180141895
    Abstract: The present invention relates to a biphenyl derivative and use thereof, and the biphenyl derivative has a structure represented by the formula (I) as defined in the specification. The use refers the use of the biphenyl derivative or a pharmaceutically acceptable salt or solvate thereof, or a pharmaceutical composition comprising the biphenyl derivative or a pharmaceutically acceptable salt or solvate thereof in the preparation of a medicament for the treatment and/or prevention of ischemic stroke.
    Type: Application
    Filed: March 11, 2016
    Publication date: May 24, 2018
    Inventors: Rutao Wang, Tao Chen, Long An, Yi Zhao, Weijiao Wang, Shupan Guo, Sa Xiao, Jinghua Pang, Huijing Hu
  • Patent number: 9693963
    Abstract: Disclosed is a 2,2?,6,6?-tetraisopropyl-4,4?-biphenol soft capsule composed of a capsule shell and the contents in the capsule, wherein the contents in the capsule include 2,2?,6,6?-tetraisopropyl-4,4?-biphenol, a solvent, and an antioxidant, among others.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: July 4, 2017
    Assignee: Xi'an Libang Pharmaceutical Co., Ltd.
    Inventors: Rutao Wang, Long An, Huijing Hu, Shupan Guo, Tao Chen, Weijiao Wang
  • Publication number: 20160235684
    Abstract: This invention relates to a 2,2?,6,6?-tetraisopropyl-4,4?-biphenol lipid microsphere preparation having 2,2?,6,6?-tetraisopropyl-4,4?-biphenol as its active ingredient and formed into said lipid microsphere preparation with common medically used injection-grade oil, emulsifier, and injection-grade water.
    Type: Application
    Filed: April 28, 2016
    Publication date: August 18, 2016
    Inventors: Rutao Wang, Tao Chen, Shupan Guo, Huijing Hu, Long An, Weijiao Wang
  • Publication number: 20150376099
    Abstract: The present invention provides 3,3?,5,5?-tetraisopropyl-4,4?-diphenol crystal forms I, II and III, and preparation methods thereof. Crystal form I is superior to crystal form II in terms of stability under high temperature, high humidity, strong light and in water medium. The preparation methods for 3,3?,5,5?-tetraisopropyl-4,4?-diphenol crystal forms I, II and III provided in the invention are simple, easy to operate and suitable for industrial production.
    Type: Application
    Filed: January 15, 2014
    Publication date: December 31, 2015
    Applicant: XI'AN LIBANG PHARMACEUTICAL CO., LTD.
    Inventors: Rutao WANG, Tao CHEN, Weijiao WANG
  • Publication number: 20150359891
    Abstract: A non-addictive analgesic sustained-release drug delivery system, comprising: (1) a narcotic analgesic drug having a concentration of 1 mg/ml-160 mg/ml, the drug being selected from a group consisting of: a local analgesic drug, and the combination of the local analgesic drug and a nonsteroidal analgesic drug and/or an opioid analgesic drug; (2) a drug menstruum in a proportion of 1%-75% (v/v), the menstruum being selected from a group consisting of benzyl alcohol, ethanol, benzyl benzoate, ethyl lactate, and tetrahydrofurfuryl polyethylene glycol ether; and (3) a drug sustained-release formulation having a proportion of 25%-99% (v/v), the sustained-release formulation being selected from a group consisting of natural vegetable oil, synthetic lipid, artificially improved half-natural lipid and derivative thereof. Also disclosed are a preparation process and use of the sustained-release drug delivery system.
    Type: Application
    Filed: April 10, 2013
    Publication date: December 17, 2015
    Inventors: Tao Chen, Wudang Lu, Weiping Yu, Jianli Gao, Danfeng Kong, Qingchuan Zhao, Weijiao Wang, Qinyuan Wu
  • Publication number: 20150352052
    Abstract: Disclosed is a 2,2?,6,6?-tetraisopropyl-4,4?-biphenol soft capsule composed of a capsule shell and the contents in the capsule, wherein the contents in the capsule include 2,2?,6,6?-tetraisopropyl-4,4?-biphenol, a solvent, and an antioxidant, among others.
    Type: Application
    Filed: August 2, 2012
    Publication date: December 10, 2015
    Applicant: XI'AN LIBANG PHARMACEUTICAL CO.,LTD.
    Inventors: Rutao WANG, Long AN, Huijing HU, Shupan GUO, Tao CHEN, Weijiao WANG
  • Publication number: 20140370101
    Abstract: This invention relates to a 2,2?,6,6?-tetraisopropyl-4,4?-biphenol lipid microsphere preparation having 2,2?,6,6?-tetraisopropyl-4,4?-biphenol as its active ingredient and formed into said lipid microsphere preparation with common medically used injection-grade oil, emulsifier, and injection-grade water.
    Type: Application
    Filed: March 7, 2012
    Publication date: December 18, 2014
    Applicant: XI'AN LIBANG PHARMACEUTICAL CO., LTD
    Inventors: Rutao Wang, Tao Chen, Shupan Guo, Huijing Hu, Long An, Weijiao Wang