Patents Assigned to XI'AN LIBANG PHARMACEUTICAL CO., LTD
  • Lactate-based fulvestrant or fulvestrant derivative oily preparation and preparation method thereof
    Patent number: 10568890
    Abstract: An oily formulation of fulvestrant or derivatives thereof and a method for producing the same. The oily formulation comprises: fulvestrant or derivatives thereof in an amount of 10 mg/ml to 170 mg/ml; a lactate compound in an amount of 5 to 80% of the total weight of the formulation; a vegetable oil or synthetic oil (ester); an analgesic; and an optional antioxidant.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: February 25, 2020
    Assignee: XI'AN LIBANG PHARMACEUTICAL CO., LTD
    Inventors: Wudang Lu, Weiping Yu, Tao Chen, Rui Cai
  • Biphenyl derivative and uses thereof
    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
  • 2,2?,6,6?-tetraisopropyl-4,4?-biphenol lipid microsphere preparations and preparation methods therefor
    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
  • 2,2?,6,6?-tetraisopropyl-4,4?-2-biphenol soft capsule and method for preparing same
    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
  • New 3,3',5,5'-Tetraisopropyl-4,4'-Diphenol Crystal Form And Preparation Method Thereof
    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
  • 2,2',6,6'-TETRAISOPROPYL-4,4'-2-BIPHENOL SOFT CAPSULE AND METHOD FOR PREPARING SAME
    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
  • 2,2',6,6'-TETRAISOPROPYL-4,4'-BIPHENOL LIPID MICROSPHERE PREPARATIONS AND PREPARATION METHODS THEREFOR
    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