摘要 |
<p>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.</p> |
申请人 |
ALZA CORP., PALO ALTO, CALIF., US |
发明人 |
HUNT, JAMES, A., FREMONT, CA 94536, US;OSBORNE, JAMES, L., MOUNTAIN VIEW, CA 94043, US;DUNN, JOHN, THOMAS, REDWOOD CITY, CA 94061, US;NELSON, MELINDA, K., SUNNYVALE, CA 94087, US;ROTH, NATHAN, SAN FRANCISCO, CA 94133, US |