Thermal development accelerators for thermographic materials
US5275932A · kind A · utility
12Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1992 |
| Grant date | Jan 4, 1994 |
| Priority date | — |
| Expiry date | Jul 22, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Thermal recording material containing a suitable substrate coated with an image forming layer. The image forming layer contains a thermally reducible source of silver, a 3-indazolinone or urea compound; a polymeric binder; and optionally, an auxiliary reducing agent and toner. Preferably, an anti-stick layer is coated on top of the imaging layer. The 3-indazolinone and urea compounds have been found to enhance the thermal image forming capability of thermal recording material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.