Liquid purification or separation – Processes – Separating
Patent
1988-08-22
1990-08-07
Jones, W. Gary
Liquid purification or separation
Processes
Separating
210516, 210789, 422101, 436177, 494 37, B01D 2126
Patent
active
049466011
ABSTRACT:
In a blood serum separator tube for separating blood into a lighter phase and a heavier phase, the thixotropic gel material initially disposed in the container lower end of the tube is protected from contact with any atmosphere contained in the tube, thus preventing separation of silicone oil from the silica-silicone fluid gel material during manufacture or storage. The gel material may be microencapsulated, or contained in a smaller number of larger capsules, or a single capsule. Alternatively, the gel material may be sealed in the tube under a curable elastomeric material, or under a water soluble material which dissolves upon contact with the blood being separated.
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Allison Richard D.
Beck Andrew J.
Jones W. Gary
Sherwood Medical Company
Smith Montgomery W.
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