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1. WO1996040512 - MULTILAYER, HALIDE FREE, RETORTABLE BARRIER FILM

Publication Number WO/1996/040512
Publication Date 19.12.1996
International Application No. PCT/US1996/005965
International Filing Date 30.04.1996
IPC
B32B 27/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
06as the main or only constituent of a layer next to another layer of a specific substance
08of synthetic resin of a different kind
C08L 23/08 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
C08L 23/10 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
C08L 53/02 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
53Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
02of vinyl aromatic monomers and conjugated dienes
CPC
B29C 48/08
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
03characterised by the shape of the extruded material at extrusion
07Flat, e.g. panels
08flexible, e.g. films
B29C 48/185
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
16Articles comprising two or more components, e.g. co-extruded layers
18the components being layers
185comprising six or more components, i.e. each component being counted once for each time it is present, e.g. in a layer
B32B 2323/04
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2323Polyalkenes
04Polyethylene
B32B 2325/00
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2325Polymers of vinyl-aromatic compounds, e.g. polystyrene
B32B 2377/00
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2377Polyamides
B32B 2439/80
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2439Containers; Receptacles
80Medical packaging
Applicants
  • BAXTER INTERNATIONAL INC. [US]/[US]
Inventors
  • ROSENBAUM, Larry, A.
  • GIOVANETTO, Steven
  • SMITH, Sidney, T.
  • BACEHOWSKI, David, V.
  • NEBGEN, Gregg
  • KALYANKAR, Varsha
Agents
  • BUONAIUTO, Mark, J.
Priority Data
08/484,76707.06.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MULTILAYER, HALIDE FREE, RETORTABLE BARRIER FILM
(FR) FILM D'ARRET MULTICOUCHE, SANS HALOGENURE, POUVANT ETRE STERILISE EN AUTOCLAVE
Abstract
(EN)
A multiple layer structure comprising a skin layer, a barrier layer, a radio frequency susceptible layer having a first polyolefin in an amount within a range of 30-60 % by weight, a second polyolefin in an amount within the range of 25-50 % by weight, a radio frequency susceptible polymer in an amount within the range of 3-40 % by weight, a styrene and hydrocarbon block copolymer in an amount within the range of 5-40 % by weight of the sealant layer.
(FR)
La présente invention concerne une structure multicouche comprenant une couche de peau, une couche d'arrêt, une couche sensible aux hautes fréquences comportant une première polyoléfine dans une proportion allant de 30 à 60 % en poids, de 25 à 50 % en poids d'une deuxième polyoléfine, de 3 à 40 % en poids d'un polymère sensible aux hautes fréquences et de 5 à 40 % en poids de la couche d'étanchéité, d'un copolymère séquencé de styrène et d'hydrocarbure.
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