Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent
US5314795A · kind A · utility
27Cited by
28References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Dec 21, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A thermal-dye-bleach construction comprising a polymethine dye having a nucleus of general formula I: ##STR1## in association with a thermal-carbanion-generating agent having the general formula: ##STR2## wherein the substituents are as defined in the specification and claims.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.