Measuring and testing – Measuring vessel
Patent
1979-05-14
1981-05-19
Swisher, S. Clement
Measuring and testing
Measuring vessel
B01L 302
Patent
active
042677297
ABSTRACT:
A tip for use on a volumetric pipettor which tip contains a microporous membrane. The attached tip is attached to bellows and is immersed in a liquid, and the bellows of the pipettor are expanded pulling liquid through the tip to fill that portion of the tip located below the microporous membrane.
REFERENCES:
patent: 2423173 (1947-07-01), Brady et al.
patent: 3846077 (1974-11-01), Ohringer
patent: 3855867 (1974-12-01), Roach
patent: 3864979 (1975-02-01), Ayres
patent: 3891392 (1975-06-01), Betts et al.
patent: 3921460 (1975-11-01), Schmidlin
Eddelman Roy T.
Moran Gregory F.
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