Patents Assigned to BEIJING SINOHANFANG PHARMACEUTICAL SCI. & TECH. CO., LTD.
  • Transdermal drug delivering device
    Patent number: 10052466
    Abstract: The present invention provides a transdermal drug delivering device which solves the problems that in the prior art, because absorptive force of an outer annular cavity caused by negative pressure is weakened, an application disk is prone to falling off.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 21, 2018
    Assignee: Beijing Sinohanfang Pharmaceutical Sci. & Tech Co., Ltd.
    Inventors: Gang Chen, Meilin Wang
  • A TRANSDERMAL DRUG DELIVERING DEVICE
    Publication number: 20150360013
    Abstract: The present invention provides a transdermal drug delivering device which solves the problems that in the prior art, because absorptive force of an outer annular cavity caused by negative pressure is weakened, an application disk is prone to falling off.
    Type: Application
    Filed: December 17, 2013
    Publication date: December 17, 2015
    Applicant: BEIJING SINOHANFANG PHARMACEUTICAL SCI. & TECH. CO., LTD.
    Inventors: Gang CHEN, Meilin WANG