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Title:
TREPROSTINIL SOFT MIST INHALANT
Document Type and Number:
WIPO Patent Application WO/2023/206444
Kind Code:
A1
Abstract:
The present invention provides a liquid and propellant-free pharmaceutical preparation containing treprostinil. Compared with an existing treprostinil preparation, a better atomization effect can be achieved in a soft mist inhaler, and active substances in the pharmaceutical preparation are stable in the storage period of 1 year, 2 years, or longer.

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Inventors:
DAI XIANGRONG (CN)
LI XIAOYI (CN)
YIN LEI (CN)
CHEN LINQING (CN)
Application Number:
PCT/CN2022/090503
Publication Date:
November 02, 2023
Filing Date:
April 29, 2022
Export Citation:
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Assignee:
ZHAOKE PHARMACEUTICAL GUANGZHOU CO LTD (CN)
International Classes:
A61K9/72; A61K9/08; A61K31/5578; A61K47/02; A61K47/18; A61K47/26; A61P9/12; A61P11/00
Foreign References:
US20190290597A12019-09-26
CN1822817A2006-08-23
CN114652704A2022-06-24
CN109608326A2019-04-12
CN101495122A2009-07-29
CN101647792A2010-02-17
CN113876748A2022-01-04
US20090124697A12009-05-14
US20190151332A12019-05-23
Attorney, Agent or Firm:
BEIJING EASTKING PATENT AGENT FIRM (CN)
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