System for printing and detecting a photochromic phase change ink composition
US6329453A · kind A · utility
8Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1999 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Feb 22, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B69/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A photochromic phase change ink composition that contains (A) at least one selected polymeric and photochromic yellow phase change colorant and (B) a phase change ink carrier composition comprising (1) a resin selected from the group consisting of a urethane resin, a mixed urethane/urea resin and mixtures thereof; and (2) a mono-amide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.