Low migration energy curable inks
US9714355B2 · kind B2 · utility
7Cited by
3References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2014 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Jan 30, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D133/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a composition such as a pigmented free radical UV-curable inkjet liquid composition for the printing of food packaging materials, which when cured in ambient air produces minimal contamination of the foodstuff. This composition uses non-polymeric photoinitiators having molecular weights less than 500 amu that migrate at levels below the specified SML (specific migration limit).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.