Heat-sensitive recording sheet
US4630080A · kind A · utility
12Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1985 |
| Grant date | Dec 16, 1986 |
| Priority date | — |
| Expiry date | Nov 6, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3377
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heat-sensitive recording sheet comprising both calcium monobenzyl phthalate as stabilizer and 4-isopropoxy-4'-hydroxy diphenylsulfone and/or 4-methyl-4'-hydroxy diphenylsulfone as organic developer in heat-sensitive layer which comprises a basic colorless dyestuff and an organic developer. This heat-sensitive recording sheet provides the improved stability of developed color image against sticking of hair tonics and oils, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.