Ink compositions containing ketones
US5902390A · kind A · utility
23Cited by
18References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1997 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Sep 23, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink comprised of (1) a liquid ketone, (2) a solid ketone, (3) a lightfastness UV absorber, (4) a lightfastness antioxidant, and (5) a colorant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.