Prints and production method thereof
US4869532A · kind A · utility
46Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1987 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Sep 29, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M3/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A print is produced by printing or coating an infrared reflective coloring agent and another printing ink containing an infrared absorptive coloring agent in combination on a base material. The print therefore contains visually-recognizable information along with other information which is recognizable by infrared rays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.