Energy activated compositions
US8398760B2 · kind B2 · utility
6Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 2009 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Sep 14, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A composition susceptible to changing color upon the application of energy, wherein the composition comprises a color former and a tinting colorant, wherein the tinting colorant has a complementary color to that of the composition comprising the color former without tinting colorant. Preferably, the composition 5 also comprises an energy absorbing additive. The invention also provides a method of improving contrast when a composition susceptible to changing color is imaged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.