Patents Assigned to Liaoning Emmy Biological Pharmaceutical Co., Ltd.
  • Use of benzo five-membered nitrogen heterocyclic piperazine or piperidine derivatives
    Patent number: 9415047
    Abstract: This invention relates to the use of a compound in formula (I) and its salts acceptable pharmaceutically in preparation of vasodilative drugs: Wherein, R1, R2, X, Y, A and B are defined in the invention.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: August 16, 2016
    Assignees: Liaoning Emmy Biological Pharmaceutical Co., Ltd., Shenyang Emmy Pharmaceutical Research Institute Co., Ltd.
    Inventors: Yan Zhou, Lirong Zhang, Jie Zhou, Xin Zhou
  • BENZO FIVE-MEMBERED NITROGEN HETEROCYCLIC PIPERIDINE OR PIPERAZINE DERIVATIVES AND PREPARATION METHODS AND PHARMACEUTICAL COMPOSITIONS THEREOF
    Publication number: 20160009703
    Abstract: The present invention relates to the compounds of formula (I) or pharmaceutically acceptable salts thereof: wherein R1, R2, X, Y, A and B are defined in the description. Also disclosed in the present invention are the methods for preparing the compounds of formula (I) or pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the compounds of formula (I) or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 25, 2013
    Publication date: January 14, 2016
    Applicants: LIAONING EMMY BIOLOGICAL PHARMACEUTICAL CO., LTD, SHENYANG EMMY PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD
    Inventors: Yan Zhou, Lirong Zhang, Jie Zhou, Xin Zhou
  • USE OF BENZO FIVE-MEMBERED NITROGEN HETEROCYCLIC PIPERAZINE OR PIPERIDINE DERIVATIVES
    Publication number: 20150297586
    Abstract: This invention relates to the use of a compound in formula (I) and its salts acceptable pharmaceutically in preparation of vasodilative drugs: Wherein, R1, R2, X, Y, A and B are defined in the invention.
    Type: Application
    Filed: November 25, 2013
    Publication date: October 22, 2015
    Applicants: Liaoning Emmy Biological Pharmaceutical Co., Ltd., Shenyang Emmy Pharmaceutical Research Institute Co., Ltd.
    Inventors: Yan Zhou, Lirong Zhang, Jie Zhou, Xin Zhou