Ink jet ink containing multimetallic polymeric colorants
US7449500B2 · kind B2 · utility
0Cited by
6References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2004 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Apr 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to an ink composition containing a multimetallic oligomeric or polymeric azo colorant wherein the colorant is derived from the polymerization reaction of a polyvalent metal cation with a dimeric tridentate ligand containing a coordinating azo group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.