Thermographic imaging element
US5928856A · kind A · utility
1Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1998 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Mar 20, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/45
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A thermographic imaging element comprises: PA0 (a) a support; PA0 (b) an imaging layer comprising: PA1 (i) an oxidizing agent; PA1 (ii) a first reducing agent which has high activity with an activation energy of less than 10 Joules/sq.cm.; PA1 (iii) a second reducing agent which has low activity with an activation energy of greater than or equal to 10 Joules/sq. cm.; and PA1 (iv) a third reducing agent comprising a boron compound containing at least one boron-hydrogen bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.