Patent · US Expired

Thermographic imaging element

US5928855A · kind A · utility

0Cited by
7References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1998
Grant dateJul 27, 1999
Priority date
Expiry dateMar 20, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/4989
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A thermographic imaging element comprises: PA1 (a) a support; PA1 (b) an imaging layer comprising: PA2 (i) a silver salt; PA2 (ii) a first reducing agent which has high activity with an activation energy of less than 10 Joules/sq.cm.; PA2 (iii) a second reducing agent which has low activity with an activation energy of greater than or equal to 10 Joules/sq. cm.; and PA2 (iv) a third reducing agent comprising a silicon compound containing at least one silicon-hydrogen bond.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.