(19)
(11) EP 3 897 729 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.01.2025 Bulletin 2025/04

(45) Mention of the grant of the patent:
13.03.2024 Bulletin 2024/11

(21) Application number: 19836895.3

(22) Date of filing: 17.12.2019
(51) International Patent Classification (IPC): 
A61K 47/38(2006.01)
C08L 1/28(2006.01)
 A61K 9/48(2006.01)
C08B 11/02(2006.01)
(52) Cooperative Patent Classification (CPC):
C08B 11/02; A61K 9/0065; A61K 9/4808; A61K 9/4866; A61K 47/38; C08L 1/28
(86) International application number:
PCT/US2019/066704
(87) International publication number:
WO 2020/131780 (25.06.2020 Gazette 2020/26)

(54)

A SUSTAINED RELEASE COMPOSITION COMPRISING A METHYLCELLULOSE

ZUSAMMENSETZUNG MIT EINER METHYLCELLULOSE MIT VERZÖGERTER FREISETZUNG

COMPOSITION À LIBÉRATION PROLONGÉE COMPRENANT UNE MÉTHYLCELLULOSE

(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: 18.12.2018 EP 18213440

(43) Date of publication of application:
27.10.2021 Bulletin 2021/43

(73) Proprietor: DDP Specialty Electronic Materials US, Inc.
Collegeville, PA 19426 (US)

(72) Inventor:
  • PETERMANN, Oliver
    29699 Bomlitz (DE)

(74) Representative: International N&H EMEA 
Parallelvej 16
2800 Kongens Lyngby
2800 Kongens Lyngby (DK)


(56) References cited: : 
WO-A1-2013/059064
   
  • MITCHELL K ET AL: "The influence of substitution type on the performance of methylcellulose and hydroxypropylmethycellulose in gels and matrices", INTERNATIONAL JOURNAL OF PHARMACEUTICS, ELSEVIER, NL, vol. 100, no. 1-3, 8 November 1993 (1993-11-08), pages 143 - 154, XP025554113, ISSN: 0378-5173, [retrieved on 19931108], DOI: 10.1016/0378-5173(93)90085-T
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).