Signaling labels and fluorescent ink compositions
US7959186B2 · kind B2 · utility
0Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2006 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00653
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A signaling label for use in postage payment evidencing is described including a luminescent signaling section having a primarily green fluorescent ink coating. In one configuration, a primarily green fluorescent ink includes approximately 12 weight percent of a pigment selected from the quinazolinone class of pigments mixed with an acrylic varnish base to provide a primarily green fluorescent signal having with sufficient red fluorescent response to a short UV excitation to trigger a USPS facing system is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.