Colorant stabilizers
US5855655A · kind A · utility
31Cited by
626References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Apr 15, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/5254
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to an ink set of inks which have substantially identical light fastness properties. The ink set includes ink compositions containing a colorant and at least one colorant stabilizer. The colorant stabilizer imparts light-stability to the colorant so that the colorant does not fade when exposed to electromagnetic radiation such as sunlight or artificial light. The ink set provides a range of colored inks having similar light-stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.