Urea stabilizers for thermal dye transfer materials
US7312012B1 · kind B1 · utility
1Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Dec 14, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/395
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a thermal donor comprising a dye mixture and a urea light-stabilizing compound, wherein the light-stabilizing compound is represented by structure I:wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.