Cosolvents in printing fluids
US7377972B2 · kind B2 · utility
0Cited by
11References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2004 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Jun 13, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp3-hybridized nitrogen cation and an associated anionic charge either isolated on an N-substituted oxygen anion bound directly to the sp3-hybridized nitrogen cation or isolated among the oxygens of a carboxylate group; a method of avoiding paper curl in printed paper by using the above-described aqueous printing fluid; and a printer system for avoiding paper curl in printed paper through using the above-described aqueous printing fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.