EP 3655575 B1 20210825 - ASYMMETRICALLY SILICA-IMPREGNATED PAPERS AND METHODS FOR PRODUCING SAID PAPERS AND USE THEREOF
Title (en)
ASYMMETRICALLY SILICA-IMPREGNATED PAPERS AND METHODS FOR PRODUCING SAID PAPERS AND USE THEREOF
Title (de)
PAPIERVLIESE MIT ASYMMETRISCHER SILICA-IMPRÄGNIERUNG UND VERFAHREN ZUR HERSTELLUNG DER VLIESE SOWIE DEREN VERWENDUNG
Title (fr)
PAPIERS AVEC IMPRÉGNATION DE SILICE ASYMÉTRIQUE, PROCÉDÉ DE FABRICATION DESDITS PAPIERS ET LEUR UTILISATION
Publication
Application
Priority
- DE 102018124255 A 20181001
- EP 2019075927 W 20190925
Abstract (en)
[origin: WO2020069943A1] The invention relates to asymmetrically silica-impregnated nonwoven fabrics, to methods for producing said nonwovens and to uses of said nonwovens, especially in the field of packaging materials.
IPC 8 full level
D04H 1/00 (2006.01); D21H 17/13 (2006.01); D21H 25/06 (2006.01)
CPC (source: EP US)
D04H 1/26 (2013.01 - EP); D04H 1/587 (2013.01 - EP); D04H 1/64 (2013.01 - EP); D06M 11/79 (2013.01 - US); D06M 23/16 (2013.01 - US); D21H 17/13 (2013.01 - EP); D21H 17/68 (2013.01 - EP); D21H 19/40 (2013.01 - US); D21H 19/46 (2013.01 - US); D21H 25/06 (2013.01 - EP US); D21H 27/10 (2013.01 - EP US); D06M 2101/06 (2013.01 - US); D06M 2200/12 (2013.01 - US)
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
DOCDB simple family (publication)
DE 102018124255 A1 20200402; CN 112840073 A 20210525; CN 112840073 B 20230411; EP 3655575 A1 20200527; EP 3655575 B1 20210825; US 2022034041 A1 20220203; WO 2020069943 A1 20200409
DOCDB simple family (application)
DE 102018124255 A 20181001; CN 201980064703 A 20190925; EP 19778972 A 20190925; EP 2019075927 W 20190925; US 201917281398 A 20190925