Stock material or miscellaneous articles – Hollow or container type article – Paper containing
Patent
1989-12-21
1991-12-31
Robinson, Ellis P.
Stock material or miscellaneous articles
Hollow or container type article
Paper containing
206229, 206440, 206441, 206484, 424448, 424449, 428 352, 428 353, 428 354, 428216, 4284248, 428462, B65D 3008
Patent
active
050771043
ABSTRACT:
The invention herein pertains to methods and materials for producing a nicotine maintenance pouch. Laminates comprising a nicotine barrier layer and a nicotine degradation agent barrier layer are disclosed. In a preferred embodiment, the nicotine barrier layer comprises a nitrile rubber modified acrylonitrile-methyl acrylate copolymer. An especially preferred nicotine barrier material comprises, by weight percent, 75% acrylonitrile, and 25% methyl acrylate with 10% butadiene (AN-MA/B). The nicotine degradation agent barrier layer is preferably aluminum foil. In an especially preferred embodiment, the laminate comprises a layer of AN-MA/B adhered to a layer of aluminum foil, which in turn is adhered to a layer of paper stock.
Pouches comprising a self-sealed nicotine barrier layer and a nicotine degradation agent barrier layer are disclosed. These pouches are preferably formed from the laminates above.
A method for production of pouches comprising: (a) providing a laminate including a self-sealable nicotine barrier layer and a nicotine degradation agent barrier layer; and (b) sealing the self-sealable nicotine barrier layer to enclose a nicotine device.
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Dunn John T.
Hunt James A.
Nelson Melinda K.
Osborne James L.
Roth Nathan
ALZA Corporation
Dye Rena L.
Mandell Edward L.
Robinson Ellis P.
Sabatine Paul L.
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