Highlighting ink formulation comprising an anti-smear agent
US8562729B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disclosure is generally related to highlighting ink formulations and writing instruments containing the same. The disclosure provides a highlighting ink formulation that includes a solvent system, a colorant dispersed or dissolved in the solvent system, and an anti-smear agent dispersed or dissolved in the solvent system, wherein the anti-smear agent includes a monovalent cation and/or a divalent cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.