(19)
(11) EP 4 097 298 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:
08.01.2025 Bulletin 2025/02

(45) Mention of the grant of the patent:
04.12.2024 Bulletin 2024/49

(21) Application number: 21748115.9

(22) Date of filing: 01.02.2021
(51) International Patent Classification (IPC): 
D21H 15/02(2006.01)
A47G 21/18(2006.01)
 D21H 27/00(2006.01)
(52) Cooperative Patent Classification (CPC):
D21H 27/30; D21H 21/20; A47G 21/18; D21H 21/16; A47G 2400/10; B31D 5/0095; D21H 27/00; D21H 27/32; D21H 17/28; B32B 7/12; B32B 2250/26; B32B 2250/02; B32B 2307/50; B32B 2264/104; B32B 2307/54; B32B 7/02; B32B 2307/732; B32B 29/005; B32B 1/08; B32B 2307/75; B32B 2307/5825; B32B 2262/067; B32B 2307/7265; B32B 2307/718; B32B 2307/41; B32B 3/26; B32B 2307/402; B32B 2597/00; B32B 2264/102; B32B 2262/14; B32B 2255/12; B32B 2307/7163; B32B 2250/03
(86) International application number:
PCT/FI2021/050066
(87) International publication number:
WO 2021/152221 (05.08.2021 Gazette 2021/31)

(54)

PAPER AIMED AT FORMING A U-STRAW

PAPIER ZUR HERSTELLUNG EINES U-STROHHALMS

PAPIER DESTINÉ À FORMER UNE PAILLE EN U

(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: 30.01.2020 US 202062967658 P
30.04.2020 EP 20172382

(43) Date of publication of application:
07.12.2022 Bulletin 2022/49

(73) Proprietor: Ahlstrom Oyj
02150 Espoo (FI)

(72) Inventors:
  • MORALES, Bertrand
    24520 Saint-Sauveur-de-Bergerac (FR)
  • BLANZ, John
    Spring Green Dr. Mosinee, Wisconsin 54455 (US)

(74) Representative: Laine IP Oy 
Porkkalankatu 24
00180 Helsinki
00180 Helsinki (FI)


(56) References cited: : 
CN-A- 102 134 819
CN-A- 109 431 212
DE-U1- 202018 107 331
US-A1- 2019 246 823
 CN-A- 109 371 743
CN-A- 109 594 408
JP-U- 3 223 685
US-A1- 2020 000 259
   
       
    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).