Flow rate control
US8673144B2 · kind B2 · utility
0Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2009 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Dec 30, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid sample is prepared at a preparation site and then processed, e.g. in an HPLC column. The sample is prepared and conveyed to the device at a flow rate which is substantially less than the flow rate through the device. The different flow rates are preferably provided by variable rate working fluid supplies which drive the sample from the preparation site and through the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.