Recording instrument ink-path treatment process
US4716945A · kind A · utility
3Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1986 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Mar 3, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D15/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A recording instrument comprises a recording device for recording with an ink, an ink storage container and an ink supplying system for supplying ink from the ink storage container to the recording device characterized in that the ink supplying system has a liquid contacting surface comprising at least one of the components in a dye or at least one compound having at least one hydrophilic group, adsorbed on or penetrated into the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.