Pipetting method and pipetting device
US11400445B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2017 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Mar 30, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/086
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method is disclosed for controlling at least one of aspirating and of dispensing a liquid dose or of producing a liquid dose in a pipette or in receptacle, the method having the steps of first loading a first pipette with a first working medium at a first pressure having a first sign with respect to a reference pressure, thereby dispensing the liquid dose into the receptacle or aspirating the liquid dose into the first pipette, second loading a second pipette with a second working medium at a second pressure having a second sign with respect to the reference pressure, thereby dispensing the liquid dose into the receptacle or aspirating the liquid dose into the second pipette, discharging a pressure in the first working medium through a controlled valve arrangement to the reference pressure between first and second loadings. A pipetting device is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.