Optimizing an advanced solvent for ink systems (oasis)
US6746994B2 · kind B2 · utility
2Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2001 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Mar 21, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning solvent for use with an ink-jet printer, in particular an ink-jet printer having a printhead servicing system, wherein the cleaning solvent comprises glycerin and a polyhydric alcohol, such as 1,3-propanediol. The cleaning solvent is optimized for efficient printhead cleaning regardless of the printer operating environment. A method for cleaning an ink-jet printhead comprises transferring an amount of a cleaning solvent comprising glycerin and a polyhydric alcohol to a printhead surface and cleaning the printhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.