(19)
(11) EP 4 680 167 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24713556.9

(22) Date of filing: 13.03.2024
(51) International Patent Classification (IPC): 
A61F 7/02(2006.01)
C09K 5/18(2006.01)
 A61F 7/03(2006.01)
(52) Cooperative Patent Classification (CPC):
A61F 7/03; A61F 7/02; C09K 5/18; A61F 7/034; A61F 2007/0204; A61F 2007/0209; A61F 2007/0246; A61F 2007/0257; A61F 2007/026; A61F 2007/0295
(86) International application number:
PCT/FI2024/050111
(87) International publication number:
WO 2024/189270 (19.09.2024 Gazette 2024/38)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 13.03.2023 FI 20235289

(71) Applicant: KL-Technology Oy
53920 Lappeenranta (FI)

(72) Inventor:
  • LAATIKAINEN, Katri
    34100 Lakiala (FI)

(74) Representative: Berggren Oy 
P.O. Box 16 Fabianinkatu 21
00101 Helsinki
00101 Helsinki (FI)

   


(54) SELF-HEATING AND/OR -COOLING THERMAL LAYER AND A PRODUCT CONTAINING SUCH A LAYER