EP-4217309-C0 - BIO-BASED CARBON FOAMEP4217309C0EP 4217309 C0EP4217309 C0EP 4217309C0EP-4217309-C0InventorsMASSON DAVIDWALTER STEPHANAssigneesSTORA ENSO OYJDatesPublication Date20260304Application Date20210927Priority Date20210927