PECVD COATING OF CHROMATOGRAPHY VIALS
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Aug 30, 2013
filing date -
Jul 2, 2009
priority date (Note) -
Abandoned
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Abstract
A chromatography vial is disclosed comprising a thermoplastic wall and a coating on the wall. The coating comprises a PECVD barrier coating or layer of SiOx, where x is from 1.5 to 2.9, on the interior surface of the vial wall. Also disclosed is a method of applying the barrier coating of SiOx, in which x is from about 1.5 to about 2.9, on a chromatography vial as identified above. Other functional layers, such as a pH protective layer and a tie layer, can also be included as part of the coating on the wall.
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