(19)
(11) EP 3 949 967 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
07.09.2022 Bulletin 2022/36

(43) Date of publication:
09.02.2022 Bulletin 2022/06

(21) Application number: 20795435.5

(22) Date of filing: 23.04.2020
(51) International Patent Classification (IPC): 
A61K 31/519(2006.01)
A61P 31/12(2006.01)
 A61K 9/20(2006.01)
(52) Cooperative Patent Classification (CPC):
A61P 31/12; A61K 31/519; A61K 9/2054; A61K 9/2059
(86) International application number:
PCT/CN2020/086301
(87) International publication number:
WO 2020/216274 (29.10.2020 Gazette 2020/44)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 23.04.2019 CN 201910326899

(71) Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
Lianyungang, Jiangsu 222062 (CN)

(72) Inventors:
  • JING, Jianghui
    Lianyungang City, Jiangsu 222062 (CN)
  • DONG, Lihui
    Lianyungang City, Jiangsu 222062 (CN)
  • XU, Yi
    Lianyungang City, Jiangsu 222062 (CN)
  • LI, Xinlu
    Lianyungang City, Jiangsu 222062 (CN)
  • LU, Xifeng
    Lianyungang City, Jiangsu 222062 (CN)
  • WANG, Shang
    Lianyungang City, Jiangsu 222062 (CN)
  • ZANG, Haishan
    Lianyungang City, Jiangsu 222062 (CN)
  • LI, Min
    Lianyungang City, Jiangsu 222062 (CN)
  • CHEN, Zhilin
    Lianyungang City, Jiangsu 222062 (CN)
  • ZHAO, Xiandong
    Lianyungang City, Jiangsu 222062 (CN)
  • SUN, Peng
    Lianyungang City, Jiangsu 222062 (CN)

(74) Representative: Thoma, Michael 
Lorenz Seidler Gossel Rechtsanwälte Patentanwälte Partnerschaft mbB
Widenmayerstraße 23 80538 München
Widenmayerstraße 23 80538 München (DE)

   


(54) SOLID PHARMACEUTICAL COMPOSITION COMPRISING TLR7 AGONIST


(57) A solid pharmaceutical composition comprising a TLR7 agonist 2-butoxy-7-(4-(pyrrolidin-1-ylmethyl)benzyl)-5H-pyrrolo[3,2-d]pyrimidin-4-amine, a preparation method therefor, and an medical application thereof. The solid pharmaceutical composition has excellent stability and dissolution properties.