Global Patent Index - EP 4230776 A1

EP 4230776 A1 20230823 - CARBON-POWDER-CONTAINING FIBER AND FIBROUS STRUCTURE

Title (en)

CARBON-POWDER-CONTAINING FIBER AND FIBROUS STRUCTURE

Title (de)

KOHLENSTOFFPULVERHALTIGE FASER UND FASERSTRUKTUR

Title (fr)

FIBRE CONTENANT UNE POUDRE DE CARBONE ET STRUCTURE FIBREUSE

Publication

EP 4230776 A1 20230823 (EN)

Application

EP 21879827 A 20210917

Priority

  • JP 2020173443 A 20201014
  • JP 2021034320 W 20210917

Abstract (en)

The invention relates to a carbon-powder-containing fiber that contains a plant-derived carbon powder in the fiber, the carbon powder having a specific surface area of 250 m<sup>2</sup>/g or larger and smaller than 500 m<sup>2</sup>/g, and a content of the carbon powder relative to the mass of the carbon-powder-containing fiber being 0.2 to 7% by mass.

IPC 8 full level

D01F 1/10 (2006.01); D01F 6/90 (2006.01); D01F 6/92 (2006.01)

CPC (source: EP)

D01F 1/04 (2013.01); D01F 1/10 (2013.01); D01F 6/60 (2013.01); D01F 6/62 (2013.01)

Designated contracting state (EPC)

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 state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4230776 A1 20230823; EP 4230776 A4 20240925; CN 115698397 A 20230203; CN 115698397 B 20241018; JP 7422247 B2 20240125; JP WO2022080086 A1 20220421; TW 202225093 A 20220701; WO 2022080086 A1 20220421

DOCDB simple family (application)

EP 21879827 A 20210917; CN 202180039381 A 20210917; JP 2021034320 W 20210917; JP 2022557298 A 20210917; TW 110135949 A 20210928