Filter for micropipettes
AssigneeCentaur Chemical Co.
InventorSouren Avakian
Life of this patent
Estimating the term…
Abstract
A disposable two part filter assembly for use on the detachable tip of a laboratory pipette. It comprises a body member with an opening shaped and sized to engage the tip. Such body members may be provided for a wide range of tip sizes and shapes. Inserted within each of the body members is a filter element. The filter elements have essentially the same size and shape but may differ as to material and porosity.
Claims5
Filter apparatus for use with a liquid sampling pipette having a detachable tip member in the form of a truncated hollow cone defining an axial reservoir therethrough and an opening defined by the truncated tip and communicating with the reservoir to receive a liquid sample therethrough which comprises:
- a liquid impervious body member defining a liquid passage therethrough, said passage being dimensioned to frictionally solely by friction engage said tip;
- and a porous filter plug retained by said body member in alignment with said liquid passage.
Dependencies are inferred from the claim text.