(19)
(11) EP 3 994 306 A1

(12)

(43) Date of publication:
11.05.2022 Bulletin 2022/19

(21) Application number: 19745188.3

(22) Date of filing: 05.07.2019
(51) International Patent Classification (IPC): 
D21B 1/06(2006.01)
(52) Cooperative Patent Classification (CPC):
B27N 1/00; B27N 3/002; B27N 3/18; D21B 1/063
(86) International application number:
PCT/FI2019/050530
(87) International publication number:
WO 2021/005259 (14.01.2021 Gazette 2021/02)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: UPM Plywood Oy
15140 Lahti (FI)

(72) Inventors:
  • KOSKI, Anna
    15610 Lahti (FI)
  • MARTTILA, Heikki
    01300 Vantaa (FI)
  • LIIMATAINEN, Juhana
    54800 Savitaipale (FI)

(74) Representative: Berggren Oy 
P.O. Box 16 Eteläinen Rautatiekatu 10A
00101 Helsinki
00101 Helsinki (FI)

   


(54) A WOOD BASED POWDER, A COMPOSITE MATERIAL COMPRISING THE WOOD BASED POWDER, AND A METHOD FOR MANUFACTURING THE WOOD BASED POWDER