Nova Patents
ATE243116T1

Polyamide/polyolefin-based laminate

Abstract

A multilayer composite comprising the following layers bound directly to one another:I. a layer I of a polyamide molding composition;II. a layer II of a bonding agent comprising at least 50% by weight of a mixture ofa) from 30 to 70 parts by volume of polyamide andb) from 70 to 30 parts by volume of polyolefin, where the sum of the parts by volume is 100 and in addition at least some of the polyamide is present either in the form of a polyamide-polyolefin graft copolymer or as a highly branched polyamine-polyamide copolymer;III. if desired a layer III of a polyolefin molding composition,displays good adhesion between layers which remains largely intact even on prolonged contact with alcohol-containing or aqueous media at elevated temperature.

Term

Term ended

Projected expiry passed 26 October 2021, 4.9 years ago.

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23 members in 13 offices

This recordMember, by publication datePriority claim3 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
10065177GermanyA

Members23

Family members, oldest first
DocumentOfficeKind
NO20016309D0NorwayD0
CA2365800A1CanadaA1
NO20016309LNorwayL
EP1216823A2European Patent Office (EPO)A2
AU9737501AAustraliaA
DE10065177A1GermanyA1
US2002082352A1United States of AmericaA1
KR20020051849ARepublic of KoreaA
EP1216823A3European Patent Office (EPO)A3
CN1363465AChinaA
BR0106242ABrazilA
JP2002234122AJapanA
EP1216823B1European Patent Office (EPO)B1
AT243116TAustriaT
ATE243116T1This recordAustriaT1
DE50100321D1GermanyD1
PT1216823EPortugalE
ES2198381T3SpainT3
US6794048B2United States of AmericaB2
CN1198720CChinaC
JP4090736B2JapanB2
KR100838505B1Republic of KoreaB1
BR0106242B1BrazilB1