Colorant stabilizers
US5885337A · kind A · utility
87Cited by
621References
94Claims
0Family size
Inventors
Key dates
| Filing date | Oct 31, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Oct 31, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/5227
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention comprises colorant stabilizers and a colorant composition which includes a colorant and a 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.