Method of observing liquid for impurities using a transparent co

Details Method of observing liquid for impurities using a transparent co Method of observing liquid for impurities using a transparent co

1993-04-28

1995-08-22

McGraw, Vincent P.

Optics: measuring and testing

By inspection with agitation or rotation

Of container contents

356246, 356240, 250576, 215365, 215366, 215 122, G01N 2190

Patent

active

054445396

ABSTRACT:
The invention relates to a substantially transparent container for liquids on one side of which are opaque light and opaque dark areas of color observable through the container for evaluating contained liquid for particulate impurities. The container is particularly useful for pharmaceutical liquids.

REFERENCES:
patent: Re28984 (1976-09-01), Drinkuth et al.
patent: 3415997 (1968-12-01), Vinzelberg et al.
patent: 3914058 (1975-10-01), Knapp et al.
patent: 4028553 (1977-06-01), Farcinade
patent: 4227615 (1980-10-01), Flick

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