EP 0672772 A3 19990203 - Biologically degradable nonwoven and composite nonwoven materials.
Title (en)
Biologically degradable nonwoven and composite nonwoven materials.
Title (de)
Biologisch abbaubare Vliese und Vliesverbundmaterialien.
Title (fr)
Non-tissé et matériaux non-tissés composites dégradable biologiquement.
Publication
Application
Priority
DE 4409465 A 19940319
Abstract (en)
[origin: EP0672772A2] Fibre fleece comprises at least one sort of thermoplastic fibre, which comprises natural polymers, natural polymers which are modified with synthetic polymers and/or synthetic polymers. The fibres are also proportionately modified with starch (which is not obtained by fermentation).
IPC 1-7
IPC 8 full level
D04H 1/42 (2012.01); D04H 1/4266 (2012.01); D04H 1/4291 (2012.01); D04H 1/435 (2012.01); D04H 1/46 (2012.01); D04H 1/485 (2012.01)
CPC (source: EP US)
D04H 1/425 (2013.01 - EP); D04H 1/4266 (2013.01 - EP); D04H 1/4291 (2013.01 - EP); D04H 1/435 (2013.01 - EP); D04H 1/43835 (2020.05 - EP US); D04H 1/46 (2013.01 - EP); D04H 1/485 (2013.01 - EP)
Citation (search report)
- [X] WO 8502422 A1 19850606 - AVTEX FIBERS INC [US]
- [A] EP 0578107 A1 19940112 - DIERIG HOLDING AG [DE]
- [A] US 4243480 A 19810106 - HERNANDEZ HENRY R, et al
- [A] US 4139699 A 19790213 - HERNANDEZ HENRY R, et al
- [A] US 4144079 A 19790313 - SMITH FREDERICK R
- [A] DE 4136694 A1 19930729 - INVENTA AG [CH]
- [PA] WO 9409190 A1 19940428 - NOVAMONT SPA [IT], et al
- [A] DATABASE WPI Section Ch Week 9334, Derwent World Patents Index; Class A94, AN 93-269893, XP002086560
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0672772 A2 19950920; EP 0672772 A3 19990203; DE 4409465 A1 19950921
DOCDB simple family (application)
EP 95104000 A 19950317; DE 4409465 A 19940319