Nova Patents
NO820984L

Heat-sealable multilayer film with a low gas-permeability and its use as packaging material

Abstract

Heat-sealable, gas-tight composite film of a polypropylene film, at least one adhesive layer, at least one gas barrier layer and heat seal layer containing an additive combination of an aliphatic amine, a thermoplastic polymer and a polydialkylsiloxane.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Published
  4. Today

34 members in 18 offices

This recordMember, by publication datePriority claim8 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
3114171GermanyA
DE19813114171–––
P3114171–––

Members34

Family members, oldest first
DocumentOfficeKind
FI821217A0FinlandA0
DK163082ADenmarkA
FI821217LFinlandL
NO820984LThis recordNorwayL
AU8213982AAustraliaA
EP0062815A2European Patent Office (EPO)A2
DE3114171A1GermanyA1
JPS57178747AJapanA
PL235834A1PolandA1
BR8201956ABrazilA
ZA822379BSouth AfricaB
US4400428AUnited States of AmericaA
EP0062815A3European Patent Office (EPO)A3
DD203013A5German Democratic Republic (until 1990)A5
KR830009935ARepublic of KoreaA
ES511263A0SpainA0
ES8504420A1SpainA1
CA1194664ACanadaA
AU548004B2AustraliaB2
CS241505B2Czechoslovakia (until 1993)B2
PL137578B1PolandB1
EP0062815B1European Patent Office (EPO)B1
AT21857TAustriaT
ATE21857T1AustriaT1
DE3272973D1GermanyD1
NO158726BNorwayB
KR880001771B1Republic of KoreaB1
NO158726CNorwayC
FI77408BFinlandB
FI77408CFinlandC
MX160195AMexicoA
JPH0249224B2JapanB2
DK161502BDenmarkB
DK161502CDenmarkC