EP 4168474 A1 20230426 - METHOD FOR RECYCLING FILTERING FACEPIECE RESPIRATORS
Title (en)
METHOD FOR RECYCLING FILTERING FACEPIECE RESPIRATORS
Title (de)
VERFAHREN ZUR WIEDERVERWERTUNG VON FILTERNDEN GESICHTSATEMSCHUTZGERÄTEN
Title (fr)
PROCEDE DE RECYCLAGE DE MASQUES DE PROTECTION RESPIRATOIRE
Publication
Application
Priority
- FR 2006431 A 20200619
- FR 2021051111 W 20210618
Abstract (en)
[origin: WO2021255402A1] The invention relates to a method for recycling filtering facepiece respirators comprising a plurality of layers made from a single thermoplastic polymer selected from among polypropylene, polyethylene terephthalate, polylactic acid, polyamide 6 (PA6) homopolymers and copolymers and long chain polyamides such as PA11 or PA12, and comprising a polyvinylidene fluoride filtration layer.
IPC 8 full level
C08J 3/22 (2006.01); A62B 23/02 (2006.01); B01D 39/08 (2006.01); B01D 39/16 (2006.01); B29B 17/00 (2006.01); B29B 17/04 (2006.01); B29L 31/48 (2006.01)
CPC (source: EP US)
B01D 39/1623 (2013.01 - EP); B29B 17/0026 (2013.01 - EP); B29B 17/0036 (2013.01 - EP); B29B 17/04 (2013.01 - EP); B29B 17/0412 (2013.01 - US); C08J 3/226 (2013.01 - EP); A41D 13/11 (2013.01 - EP); A62B 23/025 (2013.01 - EP); B01D 2239/025 (2013.01 - EP); B01D 2239/065 (2013.01 - EP); B01D 2239/1233 (2013.01 - EP); B01D 2239/1291 (2013.01 - EP); B29B 2017/044 (2013.01 - EP); B29B 2017/0484 (2013.01 - US); B29K 2027/16 (2013.01 - US); B29K 2105/124 (2013.01 - US); B29L 2031/4835 (2013.01 - EP US); B29L 2031/753 (2013.01 - US); C08J 2323/12 (2013.01 - EP); C08J 2367/02 (2013.01 - EP); C08J 2367/04 (2013.01 - EP); C08J 2377/00 (2013.01 - EP); Y02W 30/52 (2015.05 - EP); Y02W 30/62 (2015.05 - EP)
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)
FR 3106135 A1 20210716; FR 3106135 B1 20211210; CN 115702190 A 20230214; EP 4168474 A1 20230426; JP 2023534128 A 20230808; US 2023219262 A1 20230713; WO 2021255402 A1 20211223
DOCDB simple family (application)
FR 2006431 A 20200619; CN 202180043328 A 20210618; EP 21740140 A 20210618; FR 2021051111 W 20210618; JP 2022577594 A 20210618; US 202118008703 A 20210618