EP 0229550 A1 19870722 - Packaging material for moisture-sensitive products and bags made therefrom.
Title (en)
Packaging material for moisture-sensitive products and bags made therefrom.
Title (de)
Packungsmaterial für feuchtempfindliche Produkte und daraus bestehende Verpackungen.
Title (fr)
Matériau destiné à l'emballage d'un produit sensible à l'humidité et emballage comportant un tel matériau.
Publication
Application
Priority
FR 8517879 A 19851203
Abstract (en)
[origin: EP0229550B1] 1. Material in the general form of a sheet more especially intended for the packaging of a food product of the cheese type, sensitive to moisture, consisting of at least one layer of a base sheet and at least one water-retaining substance, closely attached to the base sheet by means of attachment, characterised by the fact that the substance constituting the base sheet is selected from a group formed by paper, cellulose films, recycled pure cellulose, polymers, in particular polyethylene, polypropylene, polyvinyl chloride and polyester, and by the fact that the water-retaining substance consists of a water-retaining resin selected from a group formed by polyacrylonitriles or acrylonitrilebased copolymers, treated with aqueous alkaline solutions of aliphatic or mono or polyfunctional cycloaliphatic alcohols with a melting point equal to or greater than 110 degrees C.
Abstract (fr)
L'invention est relative à l'emballage d'un produit sensible à l'humidité. Il est constitué en combinaison d'au moins une feuille support 1 et d'au moins une matière hydrorétentrice 2, associée intérieurement par des moyens d'association 3 à la feuille support. La fonction de ce matériau est de régler l'humidité et/ou l'exsudat provenant du produit.
IPC 1-7
IPC 8 full level
B65D 81/26 (2006.01)
CPC (source: EP US)
B65D 81/264 (2013.01 - EP US); B65D 81/267 (2013.01 - EP US); Y10T 428/31681 (2015.04 - EP US); Y10T 428/31692 (2015.04 - EP US); Y10T 428/31699 (2015.04 - EP US); Y10T 428/3188 (2015.04 - EP US); Y10T 428/31884 (2015.04 - EP US); Y10T 428/31895 (2015.04 - EP US); Y10T 428/31993 (2015.04 - EP US)
Citation (search report)
- [XD] GB 696373 A 19530826 - AMERICAN VISCOSE CORP
- [XD] FR 1433389 A 19660401
- [A] FR 875277 A 19420914 - EISEN UND HU TTENWERKE AG WERK
- [A] DE 2722621 A1 19771208 - BRITISH AMERICAN TOBACCO CO [GB], et al
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
FR 2590874 A1 19870605; FR 2590874 B1 19880527; DE 3672231 D1 19900802; EP 0229550 A1 19870722; EP 0229550 B1 19900627; ES 2016272 B3 19901101; PT 83865 A 19870101; PT 83865 B 19930129; US 4977031 A 19901211
DOCDB simple family (application)
FR 8517879 A 19851203; DE 3672231 T 19861201; EP 86402660 A 19861201; ES 86402660 T 19861201; PT 8386586 A 19861203; US 93855386 A 19861201