Test kit, test method, dispensing device
US11788971B2 · kind B2 · utility
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10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2018 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Jul 12, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N35/1004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An object of the present invention is to provide a technology in which an amount of pigment carried from a pigment solution can be accurately measured at the time of testing a surface state of a dispensing probe on the basis of the amount of carried pigment. In a test method according to the present invention, a surface state of a dispensing probe is evaluated on the basis of an amount of pigment carried from an acidic pigment solution into a solution including no pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.