Back to results
US 5,654,054 AGranted
Barrier coating
AssigneeBecton, Dickinson and Company
InventorsYelena G. Tropsha, Richard P. Clarke, Mitchell K. Antoon
Life of this patent
Estimating the term…
Abstract
The present invention is a plastic container coated with a barrier coating. The barrier coating is useful for providing an effective barrier against gas permeability in containers and for extending shelf-life of containers, especially plastic evacuated blood collection devices.
Claims3
A sample assembly comprising:
- a plastic container having an open end, a closed end, an inner surface and an outer surface;
- and
- a multi-layer barrier coating applied to the outer surface of said container, said coating having a first layer applied to the outer surface of said container comprising a plasma-deposited inorganic material of aluminum oxide and a second layer applied to said first layer, comprising a parylene polymer or vinylidene chloride-acrylonitrile-methyl methacrylate-methyl acrylate-acrylic acid polymer.
Dependencies are inferred from the claim text.