Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1994-08-17
1996-06-18
Sluby, P. C.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428335, 428516, 428520, 426129, B29D 2200, B32B 2708
Patent
active
055275702
ABSTRACT:
Multilayer and multifunctional packaging elements having a high-absorption activity toward aqueous liquid substances as well as barrier properties toward gases such as oxygen and carbon dioxide are prepared by thermoforming.
The packaging elements includes an inner porous layer, an intermediate absorbing layer and an outer sheet having high barrier properties toward gases. The intermediate layer may contain anti-bacterial agents.
REFERENCES:
patent: 4939030 (1990-07-01), Tsuji
patent: 4943459 (1990-07-01), Nedzu
patent: 5143763 (1992-09-01), Yamada
AB (WPAT) 92-201124/95, Halstrick et al, German 4039354.
Addeo Antonio
Vestrucci Gianluigi
Vezzoli Annibale
Centro Sviluppo Settori Impiego S.r.l.
Sluby P. C.
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