Liquid evaluation
US12220699B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Mar 14, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0406
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid evaluation system can include a cartridge including a channel configured to pull a liquid into the channel by capillary action. The cartridge can include an upper plate and a lower plate located in close proximity to the upper plate. The lower plate includes a deposition region for dispensing liquid. The extent of the deposition region in one or more directions can be defined by a repellant barrier, such as a boundary with a set of areas configured to be repellant to the liquid. An internal facing surface of each plate can include a corresponding region forming the channel. Each of the regions can be configured to have an affinity for the liquid. The close proximity of the plates and the regions having an affinity for the liquid cause the liquid to be pulled into the channel by capillary action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.