Patents by Inventor Fengmei Zhou

Fengmei Zhou 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).

  • COMPOUND AND PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20220340539
    Abstract: Provided are a novel impurity compound of rotigotine behenate, rotigotine behenate or a preparation thereof containing less than 0.5 wt % of the impurity compound and use of the impurity compound as a reference substance in the impurity detection of the rotigotine behenate or the preparation thereof.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 27, 2022
    Inventors: Fengmei ZHOU, Wenjuan TAN, Qianqian TANG, Jinrong WANG, Rui ZHANG, Fei YU
  • Polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods of preparing the same and use of the same
    Patent number: 9199912
    Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: December 1, 2015
    Assignees: SHANDONG LUYE PHARMACEUTICAL CO., LTD.
    Inventors: Youxin Li, Wanhui Liu, Yang Lv, Guanhua Du, Qingguo Meng, Mina Yang, Fengmei Zhou, Ju Li, Xuemei Zhang
  • 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]] amino-1-naphthol, and preparing method and use thereof
    Patent number: 9012660
    Abstract: The present disclosure relates to 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]]amino-1-naphthol, a method for preparing the same, and use of 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienyl)ethyl]]amino-1-naphthol as a reference compound for determining an impurity in rotigotine or a preparation thereof.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: April 21, 2015
    Assignee: Shandong Luye Pharmaceutical Co., Ltd.
    Inventors: Mina Yang, Yanyan Zhao, Fengmei Zhou, Quingguo Meng, Tao Wang
  • POLYMORPHS OF 4-[2-DIMETHYLAMINO-1-(1-HYDROXYCYCLOHEXYL)ETHYL]PHENYL 4-METHYLBENZOATE HYDROCHLORIDE, METHODS OF PREPARING THE SAME AND USE OF THE SAME
    Publication number: 20140235728
    Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.
    Type: Application
    Filed: April 23, 2014
    Publication date: August 21, 2014
    Applicants: Shandong Luye Pharmaceutical Co., Ltd.
    Inventors: Youxin Li, Wanhui Liu, Yang Lv, Guanhua Du, Qingguo Meng, Mina Yang, Fengmei Zhou, Ju Li, Xuemei Zhang
  • 5,6,7,8-TETRAHYDRO-6-[N,N-BIS[(2-THIENYL)ETHYL]] AMINO-1-NAPHTHOL, AND PREPARING METHOD AND USE THEREOF
    Publication number: 20140196523
    Abstract: The present disclosure relates to 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienypethyl]]amino-1-naphthol, a method for preparing the same, and use of 5,6,7,8-tetrahydro-6-[N,N-bis[(2-thienypethyl]]amino-1-naphthol as a reference compound for determining an impurity in rotigotine or a preparation thereof.
    Type: Application
    Filed: August 6, 2012
    Publication date: July 17, 2014
    Applicant: SHANDONG LUYE PHARMACEUTICAL CO., LTD.
    Inventors: Mina Yang, Yanyan Zhao, Fengmei Zhou, Quingguo Meng, Tao Wang
  • Polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methyl-benzoate hydrochloride, methods for preparing the same and use of the same
    Patent number: 8741952
    Abstract: The present disclosure relates to polymorphs of 4-[2-dimethylamino-1-(1-hydroxycyclohexyl)ethyl]phenyl 4-methylbenzoate hydrochloride, methods for preparing the same and use of the same.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: June 3, 2014
    Assignees: Shangong Luye Pharmaceutical Co., Ltd.
    Inventors: Youxin Li, Wanhui Liu, Yang Lv, Guanhua Du, Qingguo Meng, Mina Yang, Fengmei Zhou, Ju Li, Xuemei Zhang