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US 5,501,236 AGranted
Nicotine-impermeable container and method of fabricating the same
AssigneePharmacia Corporation
InventorsIra Hill, Bengt E. Malmborg, Ronald G. Oldham, James E. Turner, Michael P. Ellis, Sven-Bo/ rje Andersson
Life of this patent
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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.
Claims7
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 of acrylonitrile and methyl acrylate;
- (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.
Dependencies are inferred from the claim text.