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Claims for Patent: 6,098,632

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Claims for Patent: 6,098,632

Title: Nicotine-impermeable container and method of fabricating the same
Abstract:The present invention relates to a nicotine-impermeable container and a method for fabricating same. Additionally, the invention relates to a nicotine inhaling device which allows a user to ingest nicotine vapors orally. The nicotine inhaling device of the present invention is primarily directed to a device which can be used as a smoking cessation aid.
Inventor(s): Turner; James E. (Atascosa, TX), Ellis; Michael P. (San Antonio, TX), Oldham; Ronald G. (San Antonio, TX), Hill; Ira (Locust, NJ), Malmborg; Bengt Eber (Helsingborg, SE), Andersson; Sven-Borje (Od.ang.kra, SE)
Assignee: Pharmacia & Upjohn AB (SE)
Application Number:08/803,555
Patent Claims: 1. A nicotine delivery system with an extended shelf life, containing a measured amount of nicotine which can selectively be made accessible to a

user, comprising:

(a) a nicotine reservoir for holding and dispersing a measured amount of nicotine;

(b) a self-sealed, nicotine impermeable barrier enclosing the nicotine reservoir, said barrier including at least one nicotine barrier layer formed essentially of a copolymer effective in deterring nicotine migration;

(c) the barrier layer including at least two adjacent surfaces heat sealed to form a continuous nicotine impermeable barrier so that the nicotine can be prevented from migration outside the barrier.

2. A nicotine delivery system with an extended shelf life, containing a measured amount of nicotine which can selectively be made accessible to a user, comprising:

(a) a nicotine reservoir for holding and dispersing a measured amount of nicotine;

(b) a self-sealed, nicotine impermeable barrier enclosing the nicotine reservoir, said barrier including at least one nicotine barrier layer formed essentially of a non-crystalline copolymer effective in deterring nicotine migration;

(c) the barrier layer including at least two adjacent surfaces heat sealed to form a continuous nicotine impermeable barrier so that the nicotine can be prevented from migration outside the barrier.

3. A nicotine delivery system with an extended shelf life, containing a measured amount of nicotine which can selectively be made accessible to a user, comprising:

(a) a nicotine reservoir for holding and dispersing a measured amount of nicotine;

(b) a self-sealed, nicotine impermeable barrier enclosing the nicotine reservoir, said barrier including at least one nicotine barrier layer formed essentially of an amorphous copolymer effective in deterring nicotine migration;

(c) the barrier layer including at least two adjacent surfaces heat sealed to form a continuous nicotine impermeable barrier so that the nicotine can be prevented from migration outside the barrier.
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