Glass container internally coated with a silicone and having an in situ freeze-dried solid product therein, and process of making the same
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United States of America Patent
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Aug 9, 1994
Issued Date -
N/A
app pub date -
Nov 5, 1992
filing date -
May 8, 1990
priority date (Note) -
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Abstract
A freeze-drying process which reduces loss of the freeze-dried product comprising adding a liquid solution comprising a solid product dissolved in a solvent to a glass container having its inside surface coated with a silicone material; subjecting the container with the liquid solution therein to acceptable operable freeze-drying conditions to remove the solvent and leave the solid product in the container in the form of a dense compact coherent solid; and sealing the container to maintain the solid product stable over a useful storage shelf life. An article of manufacture comprising a sealed glass container having its inside surface coated with a silicone material and containing an in situ freeze-dried dense compact coherent solid product.
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