Heat-sensitive recording materials
US4975353A · kind A · utility
2Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1989 |
| Grant date | Dec 4, 1990 |
| Priority date | — |
| Expiry date | Feb 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heat-sensitive recording material comprising a support having provided thereon a heat-sensitive recording layer which comprises (a) a diazo compound, (b) a coupling component which forms a coloration by coupling with the diazo compound, and (c) a basic substance having a structural unit represented by Formula (I): ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.