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.

Claims

23 · 3 independent · depth 7

23 granted claims

›1.independentA multiple layer structure comprising: a skin layer; a barrier layer; a radio frequency susceptible layer having a first polyolefin in an amount withi…+9

›2.↳ 1The structure of claim 1 wherein the barrier layer is selected from the group consisting of ethylene vinyl alcohol, and polyamides.d2+8

›3.↳ 2The structure of claim 2 wherein the skin layer comprises: a polypropylene copolymer with styrene ethylene-butene-styrene block copolymer within a ran…d3+7

›4.↳ 3The structure of claim 3 wherein the first polyolefin is a polypropylene, and the second polyolefin is selected from the group of ethylene copolymers …d4

›5.↳ 3The structure of claim 3 wherein the radio frequency susceptible polymer is selected from the group of polyamides, ethylene vinyl acetate with vinyl a…d4+5

›11.independentA multiple layer structure comprising: a skin layer; a barrier layer; a first and a second radio frequency susceptible layer having a first polyolefin…+7

›12.↳ 11The structure of claim 11 wherein the first and second radio frequency susceptible layer are of the same thickness.d2

›13.↳ 11The structure of claim 11 wherein the first and second radio frequency susceptible layer are of different thicknesses.d2

›14.↳ 11The structure of claim 11 wherein the layers are stacked in consecutive order.d2+1

›16.↳ 11The structure of claim 11 wherein the barrier layer is selected from the group consisting of ethylene vinyl alcohol, and polyamides.d2+2

›19.independentA multiple layer structure comprising: a skin layer; a barrier sandwich layer having from 2 to 10 units of a barrier layer and a tie layer; and a radi…+4

Classifications

12 codes

USPC · US Patent Classification

428/35.4428/36.7428/332428/515428/475.8428/523428/35.7428/345428/35.2428/36.6428/476.1428/36.8

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2.5 y

909 days filing → grant

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Examiner

E. Rollins Buffalow

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