Pharmaceutical capsule and method of making

Details Pharmaceutical capsule and method of making Pharmaceutical capsule and method of making

1991-04-23

1993-07-20

Gehman, Bryon P.

Special receptacle or package

With indicator

53411, 53454, 53471, 53472, 116206, 424454, 425804, B65D 7300, G01D 2100, A61K 948

Patent

active

052285731

ABSTRACT:
A method of packaging, comprising the steps of disposing an article in a package and airtightly sealing an air sensitive reagent, which changes color upon contact with air, as at least part of the package for the article such that the seal must be broken to access the article and thereby cause the reagent to contact the air or another agent and change color. A semi-permeable membrane will allow the same reagent to function as a shelf-life indicator.

REFERENCES:
patent: 3463532 (1969-08-01), Chidley et al.
patent: 3899295 (1975-08-01), Halpern
patent: 4098577 (1978-07-01), Halpern
patent: 4408557 (1983-10-01), Bradley et al.
patent: 4505399 (1985-03-01), Weiner
patent: 4511052 (1985-04-01), Klein et al.
patent: 4526752 (1985-07-01), Perlman et al.
patent: 4813541 (1989-03-01), Velasco et al.
patent: 4883182 (1989-11-01), Hughes
patent: 4890763 (1990-01-01), Cunel

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