Global Patent Index - EP 3755450 A1

EP 3755450 A1 20201230 - FILTER MEDIUM

Title (en)

FILTER MEDIUM

Title (de)

FILTERMEDIUM

Title (fr)

MATÉRIAU FILTRANT

Publication

EP 3755450 A1 20201230 (DE)

Application

EP 19707328 A 20190219

Priority

  • DE 102018103682 A 20180219
  • EP 2019054093 W 20190219

Abstract (en)

[origin: WO2019158775A1] The invention relates to a filter medium for folded filter elements or pocket filters, in which at least two nonwoven layers are contained, which are connected to one another by twisting of the fibers, to a method for the production thereof, to a method for the electrical charging thereof, to an electrically charged filter medium and to the use of the filter medium.

IPC 8 full level

B01D 39/16 (2006.01)

CPC (source: EP KR US)

B01D 39/1623 (2013.01 - EP KR US); B01D 46/0032 (2013.01 - US); B01D 46/023 (2013.01 - US); B01D 46/521 (2013.01 - US); B01D 2239/0435 (2013.01 - EP KR US); B01D 2239/0618 (2013.01 - US); B01D 2239/0622 (2013.01 - US); B01D 2239/0627 (2013.01 - EP KR US); B01D 2239/0663 (2013.01 - EP KR US); B01D 2239/0668 (2013.01 - EP KR); B01D 2239/1233 (2013.01 - EP KR); B01D 2239/1291 (2013.01 - US)

Citation (search report)

See references of WO 2019158775A1

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

DOCDB simple family (publication)

WO 2019158775 A1 20190822; AU 2019220520 A1 20200917; AU 2019220520 A2 20201001; BR 112020015289 A2 20201208; CA 3090608 A1 20190822; CL 2020001794 A1 20201023; CN 111741803 A 20201002; DE 102018103682 A1 20190822; EP 3755450 A1 20201230; JP 2021514300 A 20210610; KR 20200116522 A 20201012; MX 2020008607 A 20200921; PH 12020551259 A1 20210531; RU 2020124287 A 20220124; RU 2020124287 A3 20220331; US 2020391147 A1 20201217

DOCDB simple family (application)

EP 2019054093 W 20190219; AU 2019220520 A 20190219; BR 112020015289 A 20190219; CA 3090608 A 20190219; CL 2020001794 A 20200703; CN 201980013267 A 20190219; DE 102018103682 A 20180219; EP 19707328 A 20190219; JP 2020566322 A 20190219; KR 20207026291 A 20190219; MX 2020008607 A 20190219; PH 12020551259 A 20200817; RU 2020124287 A 20190219; US 201916970933 A 20190219