Pipette device constructed to prevent contamination by aerosols or overpipetting
US5364595A · kind A · utility
36Cited by
16References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1993 |
| Grant date | Nov 15, 1994 |
| Priority date | — |
| Expiry date | Jul 2, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L3/0275
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In a pipette device, a suction device applies suction to a pipette tip to draw liquid into the pipette tip. A porous plastic plug is mounted in the pipette tip to prevent contamination of the suction device by the liquid sample. The median pore size in the porous plastic plug ranges from 3 microns to an upper limit which varies with the hydrophobicity of the material of the plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.