Light decolorizable recording material, ink and toner
US5846682A · kind A · utility
13Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Feb 13, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09775
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A light decolorizable recording material comprising a colored dye having absorptions in the visible light region and a boron compound represented by the general formula (1), ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently represents an alkyl, aryl, allyl, aralkyl, alkenyl, alkynyl, silyl, heterocyclic, substituted alkyl, substituted aryl, substituted allyl, substituted aralkyl, substituted alkenyl, substituted alkynyl or substituted silyl group, and Z.sup.+ represents a quaternary ammonium, quaternary pyridinium, quaternary quinolinium or phosphonium cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.