Chromatography device and method of making chromatography test
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 3, 1983
Grant Date -
N/A
app pub date -
Feb 26, 1982
filing date -
Feb 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a thin layer chromatography device comprising a transparent tube having a first open end adapted for sealing with a stopper, a cylindrical member such as a tube or rod having a diameter smaller than the tube and of a length at least about equal to that of the tube, the member adapted to fit concentrically within the tube, the outside surface of the member being adapted to receive a thin layer of adsorbent before assembly of the member inside the tube, a fitting at the first end of the tube, the fitting having an annular portion defining an opening adapted to receive and hold the member when the tube and member are assembled together to provide a hermetically sealed device before use, at least one sample positioning opening in the tube whereby, upon use of the device, a sample can be positioned on the outer surface of the member and whereby air can enter the interior of the tube.
First Claim
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Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- B01D Class
- 0 % this patent is cited more than
- 42 Age