Barrier packaging and materials therefor

Details Barrier packaging and materials therefor Barrier packaging and materials therefor

1997-01-22

1998-09-01

Shaver, Kevin P.

Dispensing

Resilient wall

Nonmetallic

222420, 428 357, 428 369, 428 3692, B65D 4718

Patent

active

057998370

ABSTRACT:
A packaged pharmaceutical product having extended shelf life includes a pharmaceutical preparation and a dispensing container. The container has a hollow body, having an open end therein, and is formed from a blend of low density polyethylene, having high permeability of label-related extractables, and a polypropylene, having low permeability of label-related extractables. A body wall thickness enables both drop-by-drop dispensing of the pharmaceutical preparation by manual squeezing of the body, and, in combination with the blend of polymers, prevents significant ingress of label-related extractables through the body wall upon storage of the container with the body filled with the pharmaceutical preparation. A dropper tip fixed to the body open end is provided for forming droplets of pharmaceutical preparation upon manual squeezing of the body.

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patent: 5516564 (1996-05-01), Root et al.
patent: 5609273 (1997-03-01), Firestone

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